2023 Hyundai Elantra Keys and Smart Key User Guide

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2023 Hyundai Elantra Keys and Smart Key User Guide

This tutorial covers the 2023 Hyundai Elantra’s keys and smart key system. This covers essential features, usage instructions, and maintenance tips to optimize your vehicle’s advanced keyless entry system’s performance and security.

2023 Hyundai Elantra Specs, Price, Features, Milage (Brochure)

Remote KeyHyundai Elantra 2023 Accessing Your Vehicle User Guide 1

Your HYUNDAI uses a remote key, which you can use to lock or unlock the driver and passenger doors or the rear trunk.

  1. Door Lock
  2. Door Unlock
  3. Trunk Unlock
  4. Panic

Locking your vehicle To lock your vehicle:

  1. Make sure all doors, the engine hood, and the trunk are closed.
  2. Press the Door Lock button (1) on the remote key to lock all doors.
  3. The doors will lock and the hazard warning lights will blink.
  4. Make sure the doors are locked by checking the position of the door lock button inside the vehicle.

WARNING
Do not leave the keys in your vehicle with unsupervised children. Unattended children could place the key in the ignition switch and may operate power windows or other controls, or even make the vehicle move, which could result in serious injury or death.

Unlocking your vehicle

To unlock your vehicle:

  1. Press the Door Unlock button (2) on the remote key.
  2. The driver’s door will unlock. The hazard warning lights will blink two times.
  •  Two press unlock setting:
    If you press the Door Unlock button on the remote key again within four seconds, then all the doors will unlock.
    Two press unlock settings can be changed according to the owner’s preference in the cluster User Settings mode.
  •  User settings mode method:
    Select or deselect the ‘Two Press Unlock’ feature in the User Settings mode on the cluster LCD display (User

Information
After unlocking the doors, the doors will automatically relock after 30 seconds unless a door is opened.

Trunk unlocking To unlock the trunk :

  1. Press and hold the Trunk Unlock button (3) on the remote key for more than one second.
  2. The hazard warning lights will blink two times and the trunk will be unlocked.
  3. Once the trunk is opened and then closed, the trunk will automatically lock.

Information
The word “HOLD” is written on the button to inform you that you must press and hold the button for more than one second.

Panic button
Press and hold the Panic button (4) for more than one second. The horn sounds and hazard warning lights flash for about 30 seconds.
To cancel the panic mode, press any button on the remote key.

Start-up
For information, refer to the “Key Ignition Switch” section in chapter 6.

NOTICE

To prevent damaging the remote key:

  • Keep the remote key away from water or any liquid and fire. Internal circuits may malfunction if the inside of the remote key gets damp (from liquids or moisture) or if it is heated. This can exclude the remote key from being covered under warranty.
  • Avoid dropping or throwing the remote key.
  •  Protect the remote key from extreme temperatures.

Mechanical key

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If the remote key does not operate normally, you can lock or unlock the driver’s door by using the mechanical key. To unfold the mechanical key, press the release button on the remote. To return the key to its stored position, press the release button and fold the key back into the remote.

Remote key precautions
The remote key will not work if any of the following occur:

  • The key is in the ignition switch.
  •  You exceed the operating distance limit (about 33 feet [10 m]).
  •  The remote key battery is weak.
  •  Other vehicles or objects may be blocking the signal.
  •  The weather is extremely cold.
  •  The remote key is close to a radio transmitter such as a radio station or an airport which can interfere with the normal operation of the remote key.

If the remote key does not work correctly, open and close the door with the mechanical key. If you have a problem with the remote key contact an authorized HYUNDAI dealer.
If the remote key is in close proximity to your mobile phone, the signal could be blocked by your mobile phone’s normal operational signals. This is specifically relevant when the phone is active such as making and receiving calls, text messaging, and/or sending/receiving emails.
When possible, avoid placing the remote key and your mobile phone in the same location such as a pants or jacket pocket in order to avoid interference between the two devices.

Information
This device complies with Part 15 of the FCC rules.
Operation is subject to the following three conditions:

  1.  This device may not cause harmful interference.
  2.  This device must accept any interference received, including interference that may cause undesired operation.
  3.  Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the device.

NOTICE
Keep the remote key away from electromagnetic materials that block electromagnetic waves to the key surface.

Battery replacement

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If the remote key is not working properly, try replacing the battery with a new one.

Battery Type: CR2032 To replace the battery:

  1. Insert a slim tool into the slot and gently pry open the cover.
  2. Using a screwdriver, remove the battery cover.
  3. Remove the old battery and insert the new battery. Make sure the battery position is correct.
  4. Reinstall the battery cover and key cover in the reverse order of removal.

If you suspect your remote key might have sustained some damage, or you feel your remote key is not working correctly contact an authorized HYUNDAI dealer.

WARNING
THIS PRODUCT CONTAINS A BUTTON BATTERY.
If swallowed, a lithium button battery can cause severe or fatal injuries within 2 hours. Keep batteries out of reach of children. If you think batteries may have been swallowed or placed inside any part of the body, seek immediate medical attention.

Information
An inappropriately disposed battery can be harmful to the environment and human health. Dispose of the battery according to your local law(s) or regulation.

Smart Key (if equipped)

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Your HYUNDAI uses a smart key, which you can use to lock or unlock a door (and trunk) and even start the engine even just carrying the key.

  1. Door Lock
  2. Door Unlock
  3. Trunk Open
  4. Panic
  5. Remote Start (if equipped)

Locking your vehicle (Button type)

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  1. Close all doors, engine hood, and trunk.
  2. Carry the smart key.
  3. Either press the door handle button or press the Door Lock button (1) on the smart key.
  4. The hazard warning lights will blink.
  5. Make sure the doors are locked by pulling the door outside handle.

Information
The door handle button will only operate when the smart key is within 28~40 inches (0.7~1 m) from the outside door handle.

Locking your vehicle
(Touch sensor type) (if equipped)

Hyundai Elantra 2023 Accessing Your Vehicle User Guide 7

  1. Close all doors, engine hood, and trunk.
  2. Carry the smart key.
  3.  Either touch the touch sensor on the door handle (the engraved part) or press the Door Lock button (1) on the smart key.
  4. The hazard warning lights will blink.
  5. Make sure the doors are locked by pulling the door outside handle.

Information

  • The door handle button will only operate when the smart key is within 28~40 inches (0.7~1 m) from the outside door handle.
  • If you lock the door with the touch sensor on the door handle, the doors cannot be unlocked with the sensor within 3 seconds.

Information
Even though you press the outside door handle button or touch the touch sensor, the doors will not be locked and the chime will sound for 3 seconds if any of the following occurs:

  • The Smart Key is in the vehicle
  •  The Engine Start/Stop button is in the ACC or ON position.
  • Any door except the trunk is opened.

CAUTION
When you leave your vehicle with the smart key, make sure to press the button on the front door handle or touch the touch sensor on the front door handle to lock the doors after closing all of the doors, the hood, and the trunk. If you do not press the button or touch the touch sensor firmly, the doors might not be locked so please use caution.

WARNING
Do not leave the Smart Key in your vehicle with unsupervised children. Unattended children could press the Engine Start/ Stop button and may operate power windows or other controls, or even make the vehicle move, which could result in serious injury or death.

Unlocking your vehicle
(When the Two Press Unlock feature is off)
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  1. Make sure you have the smart key in your possession.
  2.  Press the Door Unlock button (2) on the smart key, press the button on the front door handle or touch the door unlock sensor inside of the front door handle to unlock the doors.
  3. All of the doors will unlock. When the doors unlock, the hazard warning lights will blink two times.
  •  The door handle button will only operate when the smart key is within 28~40 inches (0.7~1 m) from the outside door handle.
  •  If you do not open the door after unlocking it within 30 seconds, it will return to lock mode.
  • If you unlock the door with the door handle, the doors cannot be locked with the sensor for up to 2 seconds.

Unlocking your vehicle (When the Two Press Unlock feature is on)

  1. Make sure you have the smart key in your possession.
  2. Press the Door Unlock button (2) on the smart key, press the button on the front door handle or touch the door unlock sensor inside of the front door handle to unlock the doors.
  3. The driver’s door will unlock.
  4. If you press the button on the front door handle or touch the door unlock sensor inside of the front door handle to unlock the doors within 4 seconds, all of the doors unlock. When the doors unlock, the hazard warning lights will blink two times.
  •  The door handle button will only operate when the smart key is within 28~40 inches (0.7~1 m) from the outside door handle.
  •  If you do not open the door after unlocking it within 30 seconds, it will return to lock mode.
  •  The factory default setting is in off mode so you should set in the User’s Settings mode.
  •  If you unlock the door with the door handle, the doors cannot be locked with the sensor for up to 2 seconds.

Two Press Unlock Feature
The priority for unlocking the driver door only, or unlocking all the doors with one press may be adjusted in the User Settings mode in the cluster LCD display. The Two Press Unlock feature, when enabled, will require the user to press the door unlock button once for the driver door only and twice for unlocking all the doors. Select or Select the Two Press Unlock feature in the User Settings mode in the cluster LCD display. The option can be found under the following menu:

Information
If you press the front passenger outside door handle with the smart key in your possession, all the doors will unlock.

Trunk opening To open:

  1.  Make sure you have the smart key in your possession and either press inside the trunk emblem or press the Trunk Unlock button (3) on the smart key for more than one second.
  2. Once the trunk is opened, the hazard warning lights will blink two times.
  •  The trunk handle button will only operate when the smart key is within 28~40 inches (0.7 ~1 m) from the trunk handle.
  •  Once the trunk is opened and then closed, the trunk will automatically lock.

Panic button
Press and hold the Panic button (4) for more than one second. The horn sounds and hazard warning lights flash for about 30 seconds. To cancel the panic mode, press any button on the smart key.

Remote start (if equipped)
You can start the engine and turn on the climate system by pressing the remote start button (5) outside the vehicle.

To start and stop the engine remotely :

  1.  Press the door lock button (1), and then the hazard warning lights blink once to alert you.
  2.  Press the Remote Start button (5)
    for more than 2 seconds to start the engine within 4 seconds after pressing the door lock button (1).
  3. If you want to stop the engine, press the Remote Start button (5) again.

In case of manual operation,
the climate control system will be maintained even when the engine is turned OFF. However, the automatic operation is set to 72°F (22°C).
If someone without a designated smart key attempts to drive your vehicle after you remotely start it, the engine will be stopped.

Information
After remotely starting the vehicle, the engine will turn off after 10 minutes if the vehicle is not driven.

CAUTION

  •  The remote start will not work if you exceed the operating distance limit (about 10 m).
  • Avoid idling the engine for prolonged periods to follow the emission regulations in your locality.
  •  Laws in your locality may restrict the use of remote start. You should check locality regulations before using this remote starting system.
  •  It is only possible to start the engine remotely when shifted to P (Park).
    If the hood or the trunk is opened, you cannot start the engine remotely.

Start-up
You can start the engine without inserting the key. For detailed information refer to the Engine Start/ Stop button in chapter 6.

Information
If the smart key is not moved for some time, the detection function for the smart key operation will pause. Lift the smart key to activate the detection again.

NOTICE
To prevent damaging the smart key:

  • Keep the smart key away from water or any liquid and fire. If the inside of the smart key gets damp (due to drinks or moisture), or is heated, the internal circuit may malfunction and may void the vehicle warranty.
  •  Avoid dropping or throwing the smart key.
  • Protect the smart key from extreme temperatures.

NOTICE
Always have the smart key with you when leaving the vehicle. If the smart key is left near the vehicle, the vehicle battery may be discharged.

Mechanical key
If the Smart Key does not operate normally, you can lock or unlock the driver’s door by using the mechanical key.

Hyundai Elantra 2023 Accessing Your Vehicle User Guide 10

Press and hold the release button (1) and remove the mechanical key (2). Insert the mechanical key into the keyhole on the door. To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.

Loss of a smart key
A maximum of two Smart Keys can be registered to a single vehicle. If you happen to lose your smart key, you should immediately take the vehicle and remaining keys to your authorized HYUNDAI dealer or tow the vehicle, if necessary.

Smart key precautions
The smart key may not work if any of the following occur:

  • The smart key is close to a radio transmitter such as a radio station or an airport which can interfere with the normal operation of the transmitter.
  •  The smart key is near a mobile two-way radio system or a cellular phone.
  • Another vehicle’s smart key is being operated close to your vehicle.

If the smart key does not work correctly, open and close the door with the mechanical key. If you have a problem with the smart key, contact an authorized HYUNDAI dealer.
If the smart key is in close proximity to your mobile phone, the signal could be blocked by your mobile phone’s normal operational signals. This is specifically relevant when the phone is active such as making and receiving calls, text messaging, and/or sending/receiving emails. When possible, avoid keeping the smart key and your mobile phone in the same location such as pants or jacket pocket in order to avoid interference between the two devices.

Information
This device complies with Part 15 of the FCC rules.

Operation is subject to the following three conditions:

  1. This device may not cause harmful interference, and
  2. This device must accept any interference received, including interference that may cause undesired operation.
  3. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the device.

NOTICE
Keep the smart key away from electromagnetic materials that block electromagnetic waves to the key surface.

Battery replacement

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If the Smart Key is not working properly, try replacing the battery with a new one.
Battery Type: CR2032 To replace the battery:

  1. Remove the mechanical key.
  2.  Use a slim tool to pry open the rear cover of the smart key.
  3. Remove the old battery and insert the new battery. Make sure the battery position is correct.
  4. Reinstall the rear cover of the smart key.

If you suspect your smart key might have sustained some damage, or you feel your smart key is not working correctly, contact an authorized HYUNDAI dealer.

WARNING
THIS PRODUCT CONTAINS A BUTTON BATTERY.
If swallowed, a lithium button battery can cause severe or fatal injuries within 2 hours. Keep batteries out of reach of children.
If you think batteries may have been swallowed or placed inside any part of the body, seek immediate medical attention.

Information
An inappropriately disposed of the battery can be harmful to the environment and human health. Dispose of the battery according to your local law(s) or regulation.

Immobilizer System

The immobilizer system protects your vehicle from theft. If an improperly coded key (or another device) is used, the engine’s fuel system is disabled.
When the ignition switch is placed in the ON position, the immobilizer system indicator should come on briefly, and then go off. If the indicator starts to blink, the system does not recognize the coding of the key. Turn the ignition switch to the LOCK/OFF position, then turn the ignition switch to the ON position again. In some circumstances, the vehicle may not recognize your smart key if another smart key device is nearby or a metal object such as a key chain is causing interference with the smart key.
If this occurs, your vehicle may not start. Remove any metal objects or additional keys near the smart key before attempting to start the vehicle again. If the system repeatedly does not recognize the coding of the key, contact your HYUNDAI dealer. Do not attempt to alter this system or add other devices to it. Electrical problems could result in that may make your vehicle inoperable.

WARNING 
In order to prevent theft of your vehicle, do not leave spare keys anywhere in your vehicle. Your immobilizer password is a customer-unique password and should be kept confidential.

NOTICE
The transponder in your key is an important part of the immobilizer system. It is designed to give years of trouble-free service, however, you should avoid exposure to moisture, static electricity, and rough handling. Immobilizer system malfunction could occur.

Information
This device complies with Part 15 of the FCC rules.

Operation is subject to the following three conditions:

  1. This device may not cause harmful interference.
  2. This device must accept any interference received, including interference that may cause undesired operation.
  3. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the device

Hyundai Digital Key (if equipped)

Digital Key Application
To use the Hyundai Digital Key mobile app, you should install the Hyundai Digital Key application. Search ‘Hyundai digital key’ in the Google Play Store and download the app. Please refer to the detailed manual of the digital key app. The option can be found under the following app menu: Please note the manual before using the app.

  •  This service is only available for Android smartphones. Please confirm supported/compatible devices on our website.

WARNING

For used vehicle
If any of the digital keys (smartphone key or card key) is already registered when you press the ON button after unlocking the doors, the message ‘Digital key(s) active’ appears on the instrument cluster once. If you buy a used vehicle, you should confirm the message and delete the registered smartphone key and card key. In addition, please notify the Hyundai

Customer Care Center.
If the card key does not work properly, please delete the card key register the smartphone key, and re-register the card key.

For vehicle maintenance
If you need to have your Digital Key System repaired or replaced please ensure your Smartphone Key is still active. You may have to pair your phone again.
In this case, re-initialize your Digital Keys using the Hyundai Digital Key mobile app.

Digital key (smartphone) NFC function
You can use the Digital Key NFC (Near Field Communication) function after turning on your smartphone function in the NFC settings. And you should unlock & turn on your smartphone screen to use it.

  • To change the NFC mode of the smartphone, please refer to the smartphone manual or contact to the customer service center of smartphone manufacturers.

2023 Hyundai Elantra Specs, Price, Features, Milage (Brochure)

Digital key (smartphone)
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Hyundai Digital Key (Smartphone) Pairing

  1.  Turn the vehicle on with the Smart key and make sure to keep the smart key inside the vehicle during digital key registration.
  2. Register your Digital key from the vehicle user setting menu as follows.
    •  With Navigation screen:  From the infotainment screen menu, go to [Setup] – [Vehicle] – [Digital Key] – [Smart Phone Key] then select the [Save] from the submenu.
    • Without navigation screen: From the cluster menu, go to [Digital Key] – [Smart Phone Key] and select [Save].
      Information
      The [Save] button will be disabled if the digital key (Smartphone key) is already saved. Please refer to “Digital Key Delete” in this manual and follow the digital key delete procedure in your car before attempting a Digital key save. Please refer to the ‘Tutorial’ on your Digital key app and delete the previously saved key in your smartphone before attempting a save.
  3. Select the vehicle to save on your Digital key application and activate the save mode.
    •  Save mode is available only on the vehicle owner’s Digital key application.
  4. Place the backside of the smartphone onto the wireless charging pad(in-vehicle authentication pad).
    The saving process will begin automatically.
  5. Once the digital key save is complete, a message will be shown on the infotainment screen or cluster.
  6. Remove the smartphone from the pad and complete the saving process.

Hyundai Elantra 2023 Accessing Your Vehicle User Guide 15

[A] : Wireless Charging Pad (In-vehicle Authentication Pad)

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Hyundai Digital Key (Smartphone Key) Deletion

  1. Turn the vehicle on with the Smart key and make sure to keep the smart key inside the vehicle during the delete process.
  2. Delete your Digital key from the vehicle user setting menu as follows.
    • With Navigation screen: From the infotainment screen menu, go to [Setup] – [Vehicle] – [Digital Key] – [Smart Phone Key] then select the [Delete] from the submenu.
    •  Without navigation screen: From the cluster menu, go to [Digital Key] – [Smart Phone Key] and select [Delete].
      Information
      The [Delete] button will be disabled if there is no digital key (Smartphone key) saved.
  3.  Once the digital key deletion is complete, a message will be shown on the infotainment screen or cluster.
  4. Go to the [Initialize Digital Key] menu on the digital key application and select the vehicle to delete the digital key information.
  • If the saved digital key information in your car is deleted due to vehicle maintenance, the digital key in your smartphone should be deleted as well.
  •   For more information, please refer to the ‘Tutorial’ on your Digital Key app.

CAUTION

  •  If the smartphone is removed from the interior authentication pad during enrollment, the saving process will be canceled.
  •  If the infotainment or instrument cluster screen is changed during enrollment, the saving process will be canceled.
  •  If the vehicle is turned off during enrollment, the saving process will be canceled.
  • If the gear is shifted, the saving process will be canceled.
  •  If you try to save the smartphone which is not logged in with the vehicle owner’s ID or if you try to save the Card key, the saving process will not begin.
  •  If the NFC setting on your smartphone is off, the saving process will not begin.
  • If the smartphone screen is changed to off or locked status, the saving process will be canceled.
  • If there is no Smart key during the save process, the saving process will not begin.

Set up main vehicle
You can manage multiple digital keys from the Digital key app. From the list of digital keys you own, select the vehicle you want to make your priority vehicle.
For more information, please refer to the ‘Tutorial’ on your Digital key app.

Hyundai Elantra 2023 Accessing Your Vehicle User Guide 18

[1] : Door handle authentication pad

NFC door lock/unlock
You should touch your smartphone’s NFC antenna(back side of the phone) to the door handle authentication pad (1) marked position near the lock button) of the driver’s (or front passenger’s) outside door for 2 seconds to lock or unlock the doors. If the Two-Pass Unlock feature is applied (press twice for unlocking), the driver’s seat door will be unlocked by touching the digital key (smartphone key). In this state, if you touch one more time within 4 seconds, all the doors unlock. Please make sure the doors are locked. If you do not open any of the doors after unlocking, it automatically re-locks after 30 seconds.

Note that you cannot lock your vehicle when you touch the NFC antenna in the smartphone to the door handle pad if any of the following occurs:

  • The Proximity / Smart Key is in the vehicle.
  • The POWER button is in the ACC or ON position.
  • Any of the doors, hood or trunk is opened.
    If the smartphone digital key does not work, please remove the smartphone more than 4 inches (0.1 m) from the door handle authentication pad and try it again.

Start-up with Digital Key

  1. After placing your registered smartphone onto the interior authentication pad (wireless charger), step on the brake and press the Engine Start/Stop button.
  2. After start-up, the digital key data will be automatically updated. It takes 5 to 20 seconds, after that, the smartphone will go into the wireless charging mode automatically. Once the engine is started, you may remove the smartphone from the pad.

Hyundai Elantra 2023 Accessing Your Vehicle User Guide 19

[A] : Wireless Charging Pad (In-vehicle Authentication Pad)

Information
After reconnecting the vehicle battery power supply or charging the battery, it may take time to operate due to remote renewal of security information. When you lock or unlock the door with NFC, please touch and hold your smartphone on the door handle until it works.
When the mobile data connection of the smartphone is weak, the remote renewal of security information may fail. In this case, you should lock, unlock or turn on the vehicle with the card key. When you are in a place where the mobile data connection of your smartphone is available place your smartphone on the interior authentication pad (wireless charger) and start up your vehicle or touch the digital key on the door handle to lock or unlock the door, the remote renewal of security information starts automatically. Even though the engine is turned on, please wait until the remote renewal process is completed and the wireless charger is converted to charging mode.

CAUTION
The engine can be turned on if the registered smartphone or card key is placed on the interior authentication pad (wireless charger). Do not leave unsupervised children or people who are not aware of the system since it can result in serious injury or death. Always have the registered digital key (smartphone) or card key with you to prevent vehicle theft when leaving the vehicle. For more information, refer to the Engine Start/Stop button in Chapter 6.

Remote Control with Digital Key
To use the remote control function with your Android smartphone, Bluetooth must be turned on.

Remote Control Connection with Digital Key

  1. Open the Hyundai digital key application on the smartphone. Select the vehicle to activate the remote control function as a main vehicle.
  2.  Approach with the activated smartphone app to your vehicle
    and you can check whether the connection is available. If it enables your smartphone to connect, connect with your vehicle by pressing the connect button. The remote control function is activated after completing the process.

Remote Control Operation with Digital Key
You can execute the remote control operation including door lock/unlock, panic on/off, remote start / remote stop and trunk opening. The icon for each function will be highlighted and alarm/vibration also provided when the operation is performed.
Note that you cannot lock your vehicle using the Hyundai digital key app if any of the following occurs:

  • The POWER button is in ACC or ON position.
  •  Any doors are open.
    When the smartphone and the vehicle are connected by the Bluetooth function but the remote control command cannot be received over 5 minutes, the remote control connection is canceled automatically.

CAUTION

  •  If metallic window tint was applied to your vehicle, it may cause a bad Bluetooth connection or performance degradation of the digital key.
  •  If multiple users operate the remote control function simultaneously, the connection between the digital key and the vehicle might result in failed commands. Please connect and operate the remote control function only with the necessary user.
  • When using the remote control operation, the driver (the remote control user) should leave the vehicle after confirming the door lock (the chime sounds once and the hazard warning lights blink).
  • The remote functions of the Digital Key app enable the vehicle to be controlled from a set distance. If the digital key or the vehicle goes beyond the operable distance, the remote control function might be disconnected or canceled.
  •  If the digital key (smartphone) is connected to the vehicle for the remote control, the driver with the key goes far away from the vehicle, the function might not work.
  •  If the remote control operation is executed where the mobile connection is weak, the Bluetooth connection is poor due to several Bluetooth devices or there is an object such as metal or concrete, it might be delayed or the operable distance might decrease. You should not cover the smartphone with your hand or place other devices which can cause frequency interference. It may result in poor performance.
  •  If the remote control function is not available, please use the NFC function to lock or unlock the doors.

Remote Start with Digital Key

  • When the shift lever of your vehicle is in P (Park) and all of the doors including the trunk and hood is locked and the vehicle is off, press the Door Lock button in the Hyundai Digital Key app then press the Remote Start button within 4 seconds. You can confirm the engine is on if the hazard warning lights blink two times and the chime sounds.
  • If you want to turn off the engine, press Remote Engine Stop. Air Conditioner / Heating system maintains the same status as when you last used the vehicle.
  •  Unless you put the registered digital key(smartphone) on the interior authentication pad (wireless charger) when the remote start function is on, the engine will turn off.
  •  If you do not get into the vehicle within 10 minutes after the engine turns on, the vehicle will turn off.

For more information, refer to the Engine Start/Stop button in Chapter 6.
Vehicle information Display
The digital key application displays the vehicle information such as driving or door conditions through communication with the vehicle.

  • How to check: Select the vehicle that you want to check and touch the vehicle image, then the vehicle information display page will be shown.
  •  Contents: accumulated odometer,  latest fuel economy, driving range, fuel remaining, tire pressure, doors lock/unlock status, and last data updated time.
  • Displayed vehicle data could have differed from the current vehicle condition.
  • For more information, please refer to the ‘Tutorial’ on your Digital key app.

Smartphone change/App deletion
If you change your smartphone or delete the Hyundai Digital Key App, please refer to the following to set up your Digital Key:

Smartphone Change/ Reset
If you change or reset the smartphone, the registered digital key in your previous smartphone may not be used. Please refer to the following procedure to use the digital key.

  1. 1. Install the digital key application and log in.
    2. If you are the owner, retry the Digital key save process.
    3. If you are the sharer, need to re-share the key from the owner.

App delete & reinstall/ Delete App data
You can re-download the digital key from the server and follow these procedures.

  1. Reinstall the application and log in.
  2. Input the PIN number for user verification.
  3.  If PIN is correct, digital key data will be re-downloaded to your smartphone and you can use it without any further registration or sharing.

Smartphone operability with Digital Key
The digital key application may not be available to older type smartphones. Please check the available smartphone models with your dealer. The NFC antenna position on the smartphone can be confirmed on each smartphone’s manual or contact to the customer service center of the smartphone manufacturer.

CAUTION

  •  Do not leave the registered digital key (smartphone) and card key in your vehicle. Please carry around your keys all the time.
  • If you happen to lose your digital key (smartphone) or card key registered as a main user’s key, you should immediately delete the key on the vehicle’s key menu. For more information, refer to the Digital Key Deletion in this chapter.
  • If you registered your digital key (smartphone) or card key in the vehicle, a message appears on the instrument cluster and informs you that the key is registered.
    (Message: Digital key(s) active.)
  • If you buy a used vehicle, you should confirm the message and delete the registered smartphone key and card key. In this case, you should carry your smart key.
  • If you keep the NFC card of the digital key on the interior authentication pad (wireless charger) while driving, it may cause a malfunction of the NFC card.
  • You should remove your NFC card of the digital key on the interior authentication pad after turning on the engine.
  • Hyundai digital key app may not work properly when the NFC or Bluetooth communication between smartphone and car is poor.
  • If the remote control operation is executed where the mobile connection is weak, the Bluetooth connection is poor due to other Bluetooth devices or there is an object such as metal or concrete, it might be delayed or the operable distance might decrease. You should not cover the smartphone with your hand or place other devices which can cause frequency interference. It may result in poor performance.
  • If the remote control function is not activated, please use the NFC function to lock or unlock the doors
  • You should be careful not to press the remote control button on the digital key (smartphone) accidentally.
  • If the digital key (smartphone) is discharged or defective or you cannot use the digital key since the vehicle battery is discharged, use the inside door lock button to lock all of the doors.

CAUTION

  • The Hyundai digital key app on the  smartphone and card key may not work if any of the following occurs:
  • The Hyundai digital key app on the smartphone is deleted. (Required to reinstall the app)
    The account login information of the Hyundai digital key app is expired. (Required to re-login)
  • When you try to log in to another smartphone instead of the registered smartphone with the same user account.
  • Smartphone rooting or app hacking is detected.
  • The smartphone battery or the vehicle battery is discharged.
  • The smartphone’s screen is off or locked.
  • NFC or Bluetooth is turned off on the smartphone settings.
  • The smartphone’s mobile network setting is off or airplane mode is activated.
  • A credit card is overlapped in the back of your smartphone or a metal or thick case is used.
  • The card key is overlapped with other credit cards or the key is inserted in the wallet or card wallet.
  • If you use a smartphone cover that uses wireless communication or is made of metal, the digital key NFC function may not work properly. Remove the smartphone cover before using the digital key NFC function.
  • The vehicle may not be controlled by the smartphone if any of the following occurs:
  • The basic and necessary functions of the smartphone manufacturer are operating. (General call, urgent call, audio or NFC payment)
  • Wireless earphone is operating.
    (General call, urgent call or audio)
  • The digital key app function such as basic setting or app launching is limited by prior policy according to the manufacturer while using a smartphone produced by domestic and foreign manufacturers.
  • If you change the smartphone number, you should modify the user account information on the HYUNDAI customer website to use the digital key app.
  • If the vehicle owner changes the smartphone device, the new smartphone should be registered in the car after deleting the registered digital key(smartphone).
  • If a sharer changes or resets the smartphone, the key should be re-shared from the owner.
  • Some older smartphones may not work properly. Please check the available smartphone models with your dealer.
  • The NFC antenna position on the smartphone can be confirmed on each smartphone’s manual or by contacting to customer service center of the smartphone manufacturer.

Digital key (Card key)

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Digital key (Card key) save

  1. Install the Hyundai digital key app in the main user’s smartphone and register the digital key (smartphone). Please refer to the registration method for the digital key (smartphone).
  2.   Using the [Pair Card Key] menu on the digital key application, you can activate the Card Key registration mode.
    • Bluetooth authentication: enter the  Bluetooth authentication menu and press the [OK] button for activation.
      If you activate the registration mode, you should complete the Card saving process within 5 minutes.
    • If you have not registered the digital key (smartphone), please register the digital key (card key) with two smart keys.
  3. Register the NFC card key on the User’s Settings menu after turning on the vehicle.
    •  With Navigation screen: From the infotainment screen menu, go to
      [Setup] – [Vehicle] – [Digital Key] –
      [Card Key] then select the [Save] from the submenu.
    •  Without navigation screen : From the cluster menu, go to [Digital Key] –
      [Card Key] and select [Save].
      The [Save] button will be disabled if the digital key (Card key) is already saved.
      Please refer to “Digital Key Delete” in this manual and follow the digital key delete procedure in your car before the Digital key saved.
  4. Place the NFC card key onto the interior authentication pad (wireless charger). The saving process will begin automatically.
  5. If the key is enrolled, the message will be displayed on the infotainment screen or instrument cluster.
    • Once the card key registration mode is activated, the process should be completed within 5 minutes. After that, you should reactivate once again for registration.
    • For the digital key(card key) saving, the smart key(fob) must be inside the vehicle.
    •  Once a Card key is registered, it cannot be reused in another vehicle.

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Digital key (Card key) deletion
You should have the smart key to delete the digital key (card key). Please have the smart key in your possession.

  1. Get into the vehicle with the smart key.
  2.  Delete the NFC card key on the User’s Settings menu after turning on the engine.
  •  With Navigation screen: From the infotainment screen menu, go to [Setup] – [Vehicle] – [Digital Key] – [Card Key] then select the [Delete] from the submenu.
  •  Without navigation screen: From the cluster menu, go to [Digital Key] – [Card Key] and select [Delete].
    If there is no saved digital key(card key), the [Delete] menu will not be activated.
  • To delete the saved digital key (card key), the smart key must be inside the vehicle.
  •  The deleted digital key (card key) can be re-registered before registering a new digital key (card key).
  • if you register a new digital key (card key), the previously registered digital key (card key) cannot be used again.

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[1] : Door handle authentication pad

NFC door lock/unlock
You should touch the digital key (card key) to the door handle authentication pad (1, marked position near by the lock button) of the driver’s (or front passenger’s) outside door for 2 seconds to lock or unlock the doors. If the Two Press Unlock feature is applied (press twice for unlocking), the driver’s seat door will be unlocked by touching the digital key (card key). In this state, if you touch one more time within 4 seconds, all the doors unlock.

Inoperable condition
If you do not touch the digital key (card key) to the center of the door handle the authentication pad accurately. it may not work. In addition, if you overlap and use the key with NFC-enabled cards such as transportation cards or credit cards, it may not work.
Note that if you try to lock your vehicle with a digital key (card key) in the following cases, the doors will not be locked and the chime will sound for 3 seconds.

  • The Smart Key is in the vehicle.
  •  The POWER button is in the ACC or ON position.
  • Any of the doors, hood, or trunk are open
    If the digital key (card key) does not work, please move the card 4 inches (0.1m) away from the handle authentication pad and retry to touch. If the card key is damaged by impact, it may not operate properly or at all. You should buy a new card and register again. Long-time exposure to high temperatures may cause the card key to malfunction. Please be careful not to expose the key to direct sunlight or high temperatures.

Start-up with Card key
After placing your registered card key onto the interior authentication pad (wireless charger), step on the brake and press the Engine Start/Stop button.

WARNING

  • If you do not place the digital key  (card key) onto the center of the interior authentication pad (wireless charger) exactly, the card key may not be recognized. If the engine is not turned on, adjust and place the key again.
  •  If you overlap and use the key with NFC-enabled cards such as transportation cards or credit cards, the card key may not be recognized.
  •  If the digital key (card key) does not work, please move the card 4 inches (0.1m) away from the handle authentication pad and retry to touch.
  • If the card key is damaged by impact,  it may not operate properly or at all. You should buy a new card and register again.

For more information, refer to the Engine Start/Stop button in Chapter 6.

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Digital key application/cancellation
If you do not want to use the digital key (smartphone and card key), you can disable the function temporarily. You should have the smart key when you change the settings

  • With Navigation screen :
    From the infotainment screen menu, go to [Setup] – [Vehicle] – [Digital Key] – [Enable Digital Keys] (deselect)
  • Without a navigation screen :
    From the cluster menu, go to [Digital Key]
  • [Enable Digital Keys] (deselect)

Information
If you do not have the smart key in your possession, you cannot deselect [Enable digital keys]. However, if you want to select [Enable digital keys] again, you do not need to have the smart key in your possession.

CAUTION
If you uncheck Enable digital keys, it is impossible to lock or unlock the doors or start up the vehicle with digital keys such as a smartphone and card key. If you check Enable digital keys again, the registered digital keys(smartphone and card key) are available. Even though you stop the digital key function, the registered keys (smartphone and card key) are not deleted.
Personalized profile and vehicle settings
Connect the registered digital key with the personalized profile. Then in case you lock or unlock the door with the digital key NFC function or unlock the door remotely by digital key application Bluetooth connection, the vehicle will play the personalized user profile settings. Profile connection and personalization are available for Driver 1 and Driver 2.

Profile link/unlinked

Profile link

  1.  (Smartphone) on the infotainment system menu.
  2.  Unlock your digital key installed smartphone screen and place it onto the wireless charger according to a message.
  3. It begins the profile link with a message.
  4.  If you select Link, the registered phone number’s digital key and the user’s profile are linked.
  5. The interconnection process is completed with a message.

Profile unlink

  1. Select Digital Key information on the infotainment Vehicle Settings menu. It is possible to unlink only if the profile is interconnected.
  2. Profile unlink is completed with a message.

Information
If you connect both Driver 1 and Driver 2 with a single smartphone, the smartphone digital key always works as Driver 1.
If you unlink Driver 1, the personalization function will operate as Driver 2.

 

PRECAUTION for vehicle profile link and unlink
When you link or unlink the profile of a digital key, you should be careful of the following.

  • Profile link is possible to use with the digital key. (Infotainment Vehicle Digital Keys)
  •  Profile link information remains even when you disable the digital key function.
  •  Only a smartphone with a digital key app enables you to link your profile. (Impossible to link with NFC card)
  •  Profile link works only when the smartphone and the digital key are registered to the vehicle. The smartphone with another vehicle’s digital key cannot link the profile.
  •  If you remove the smartphone from the wireless charger before completing the profile link, it does not work.
  •  To unlink the profile, the smartphone does not need to be on the wireless charger.

Vehicle personalization operation
The personalization function linked with the digital key works as the following conditions:

  • Touch the driver’s door handle with the profile-linked smartphone to lock or unlock the doors (Personalization does not operate when locking or unlocking the front passenger door.)
  •  Remote door unlock with the profile-linked smartphone digital key app.
    The profile linked with a digital key can be changed manually on the infotainment system setup screen.

Precaution for digital key profile link and unlink
Profile operation according to the door lock/unlock system is as follows.

Item Personalization Operation
Initial value Guest
Profile linked smartphone key Linked profile
Profile unlinked smartphone key  Recently activated profile
NFC card key
Smart key
  •  The personalization function using the digital key can be operated after linking the digital key to the infotainment system profile menu.
  •  You should use the personalization function only when the vehicle is safely parked.

Vehicle personalization with digital key
The available personalization function in the vehicle is as follows.

System Personalization Item
 

USM

Lamp Blink number of one-touch signal lamps
Door Automatic door lock/unlock, Two Press Unlock
AVN Navigation The preferred volume of the navigation system, Recent destination
User preset Radio preset
Bluetooth Bluetooth preferential connect
Air conditioning (for automatic climate control system) Operating condition Latest operation setup of the following functions:
Temperature, AUTO, air flow direction, air volume, air conditioner, air intake control, SYNC, Front windshield defroster, OFF

For more information of personalization, refer to the infotainment system manual.

CAUTION
If you leave the digital key after locking or unlocking the doors or starting up the vehicle with the smart key, the doors can be locked by the central door lock. Please carry the digital key at all times.

FAQ’s

What types of keys are available for the 2023 Hyundai Elantra?

The 2023 Hyundai Elantra offers a traditional key fob and a Smart Key system, which allows for keyless entry and push-button start.

How do I use the Smart Key to start the 2023 Hyundai Elantra?

With the Smart Key in your possession, press the brake pedal and push the start/stop button located on the dashboard to start the engine.

How do I lock and unlock the doors using the Smart Key?

To lock the doors, press the lock button on the Smart Key or touch the door handle button while the Smart Key is near. To unlock, press the unlock button on the Smart Key or touch the door handle.

How do I use the panic button on the 2023 Elantra Smart Key?

Press and hold the panic button on the Smart Key to activate the vehicle’s alarm. This feature is useful in emergencies to attract attention.

What should I do if the 2023 Elantra Smart Key is not detected by the vehicle?

If the Smart Key is not detected, ensure it is within the operating range, check the battery, and try holding it close to the start/stop button.

Useful Link

View Full PDF: 2023 Hyundai Elantra User Guide | Auto User Guide

2023 Hyundai Elantra Review, Price, Features and Mileage (brochure)

2023 Hyundai Elantra LCD Display (Type B) User Guide

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