Auto User Guide

2023 Toyota BZ4X Key information | How To Use


Toyota BZ4X 2023 Key Information Guide

The Toyota BZ4X 2023 is a big step toward the future of electric transportation. This electric crossover SUV is a great example of how dedicated Toyota is to green transportation and cutting-edge technology. With its sleek, future look, the BZ4X not only makes a strong visual statement, but it also shows what it means to drive in an eco-friendly way. It has a stylish exterior, but underneath that is a powerful electric motor that makes driving exciting and doesn’t make any pollution. The BZ4X is the result of Toyota’s many years of experience with hybrid technology and car building. It promises to be not only efficient and good for the environment, but also reliable and useful. As the world moves toward a more sustainable future, the Toyota BZ4X 2023 stands out as a sign of progress, giving electric car buyers an exciting and environmentally friendly option.

2023 toyota BZ4x Specs, Price, Features and Mileage (Brochure)


Key types

The following keys are provided with the vehicle.

Toyota BZ4X 2023 Key information FIG 1

  • A. Electronic keys
    • Operating the smart key system
    • Operating the wireless remote control function
    • Operating the Remote Air Conditioning System 
  • B. Mechanical keys
  • C. Key number plate

When riding in an aircraft

When bringing an electronic key onto an aircraft, make sure you do not press any buttons on the electronic key while inside the aircraft cabin. If you are carrying an electronic key in your bag, etc., ensure that the buttons are not likely to be pressed accidentally. Pressing a button may cause the electronic key to emit radio waves that could interfere with the operation of the aircraft.

Electronic key battery depletion

  • The standard battery life is 1 to 2 years.
  • If the battery becomes low, an alarm will sound in the cabin and a message will be displayed on the multi-information display when the EV system stops.
  • To reduce key battery depletion when the electronic key is to not be used for long periods of time, set the electronic key to the battery-saving mode. 
  • As the electronic key always receives radio waves, the battery will become depleted even if the electronic key is not used. The following symptoms indicate that the electronic key battery may be depleted. Replace the battery when necessary.
    • The smart key system or the wireless remote control does not operate.
    • The detection area becomes smaller.
    • The LED indicator on the key surface does not turn on.

You can replace the battery by yourself. However, as there is a danger that the electronic key may be damaged, it is recommended that replacement is carried out by your Toyota dealer.

To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of the following electrical appliances that produce a magnetic field:

  • TVs
  • Personal computers
  • Cellular phones, cordless phones, and battery chargers
  • Table lamps
  • Induction cookers

If the electronic key is near the vehicle for longer than necessary, even if the smart key system is not operated, the key battery may become depleted faster than normal.

If a message regarding the state of the electronic key or power switch mode, etc. is shown

To prevent trapping the electronic key inside the vehicle, leaving the vehicle carrying the electronic key on your person without turning the power switch to OFF or other passengers from unintentionally taking the key out of the vehicle, etc., a message that prompts the user to confirm the state of the electronic key or power switch mode may be shown on the multi-information display. In those cases, follow the instructions on the display immediately.

If “Key Battery Low Replace Key Battery” is displayed on the multi-information display

The electronic key has a low battery. Replace the electronic key battery.

Replacing the battery

Confirmation of the registered key number

The number of keys already registered to the vehicle can be confirmed. Ask your Toyota dealer for details.

If “A New Key has been Registered Contact Your Dealer for Details” is displayed on the multi-information display

This message will be displayed each time the driver’s door is opened when the doors are unlocked from the outside for approximately 10 days after a new electronic key has been registered. If this message is displayed but you have not had a new electronic key] registered, ask your Toyota dealer to check if an unknown electronic key (other than those in your possession) has been registered.

2023 toyota BZ4x Specs, Price, Features and Mileage (Brochure)

NOTICE: To prevent key damage

  • Do not drop the keys, subject them to strong shocks, or bend them.
  • Do not expose the keys to high temperatures for long periods of time.
  • Do not get the keys wet or wash them in an ultrasonic washer, etc.
  • Do not attach metallic or magnetic materials to the keys or place the keys close to such materials.
  • Do not disassemble the keys.
  • Do not attach a sticker or anything else to the surface of the electronic key.
  • Do not place the keys near objects that produce magnetic fields, such as TVs, audio systems and induction cookers.
  • Do not place the keys near medical electrical equipment such as low-frequency therapy equipment or microwave therapy equipment, and do not receive medical attention with the keys on your person.

In case of a smart key system malfunction or other key related problems

When an electronic key is lost

Carrying the electronic key on your person

Carry the electronic key 3.9 in. (10 cm) or more away from electric appliances that are turned on. Radio waves emitted from electric appliances within 3.9 in. (10 cm) of the electronic key may interfere with the key, causing the key to not function properly.

Wireless remote control

The electronic keys are equipped with the following wireless remote control:

Toyota BZ4X 2023 Key information FIG 4

A. Locks all the doors 
B. Unlocks all the doors 
C. Opens the side windows*1 
D. Opens and closes the power back door*2
E. Operates Remote Air Conditioning System 
F. Sounds the alarm 

  1. These settings must be customized at your Toyota dealer.
  2. If Equipped

Theft-deterrent panic mode

When Toyota BZ4X 2023 Key information FIG 6is pressed for longer than about 1 second, an alarm will sound intermittent and the vehicle lights will flash to deter any person from trying to break into or damage your vehicle. To stop the alarm, press any button on the electronic key.

Toyota BZ4X 2023 Key information FIG 5

To take out the mechanical key, slide the release lever and take the key out. The mechanical key can only be inserted in one direction, as the key only has grooves on one side. If the key cannot be inserted in a lock cylinder, turn it over and re-attempt to insert it. After using the mechanical key, store it in the electronic key. Carry the mechanical key together with the electronic key. If the electronic key battery is depleted or the entry function does not operate properly, you will need the mechanical key. 

Toyota BZ4X 2023 Key information FIG 7

When required to leave the vehicle’s key with a parking attendant
Remove the mechanical key for your own use and provide the attendant with the electronic key only.

If you lose your mechanical keys
If a wrong key is used
The key cylinder rotates freely to isolate the inside mechanism.

Digital key

If Equipped

A smartphone can be used instead of the electronic key of the vehicle by installing the dedicated Digital Key App on a smartphone. Also, Digital Key can be shared with your family or friends using the Digital Key App.

Free/open source software information

This product contains Free/open source software (FOSS). License information and/or the source code of this FOSS can be obtained at the following URL:

Digital key usage conditions

In order to use the Digital Key, you need to install the Toyota App, Register the Vehicle to the customer’s Toyota App profile, subscribe to Remote Services, and enroll in Digital Key.

Digital key precautions

  • A Digital Key can be used when the smartphone and server can communicate. The Digital Key may become unusable if the smartphone is not connected to the Internet. Be sure to carry the electronic key of the vehicle if traveling to a location with unreliable communications.
  • If the smartphone battery is depleted, the smartphone cannot be used as Digital Key. If the battery level is low, be sure to charge the smartphone prior to going out.
  • The Digital Key system is related to the Smart key system. If the Smart key system has been deactivated in the vehicle customization setting, the Digital Key will also be disabled.
  • Depending on the radio wave environment, the Digital Key may not be able to be used.
  • When transferring vehicle ownership, make sure to delete the Digital Keys.
  • If the vehicle is not operated for 14 days or more, the Digital Key will not connect automatically. Therefore, it may take some time before the system operates after a door handle is touched.
  • A part of the services may be stopped for a certain period of time due to server maintenance. However, registered Digital Keys can be used during maintenance.
  • A smartphone with the Digital Key App enabled will be able to lock and unlock the doors, start the EV system and perform any other operations as same as the electronic key of the vehicle. Be especially careful not to lose the smartphone or allow it to be stolen. If the smartphone is lost or stolen, contact your Toyota dealer immediately.
  • When taking your vehicle to a Toyota dealer for an inspection or repairs, make sure to bring an electronic key.


What kind of drivetrain does the BZ4X have?

The Toyota BZ4X is an all-electric SUV, primarily offering a front-wheel-drive system, with some models equipped with an all-wheel drive.

What’s the estimated range on a full charge?

While the exact range can vary, the BZ4X is expected to offer a competitive range in line with other electric SUVs in its segment.

How long does it take to charge the BZ4X?

Charge times vary depending on the charger type, but with a fast charger, a significant portion of the battery can be charged in under an hour.

Is the BZ4X built on a new platform?

Yes, the BZ4X is built on Toyota’s e-TNGA platform, designed specifically for electric vehicles.

How many passengers can the BZ4X accommodate?

The Toyota BZ4X can comfortably seat five passengers.

Does the BZ4X come with Toyota’s Safety Sense suite?

Yes, it’s equipped with Toyota Safety Sense, offering features like adaptive cruise control, lane departure warning, and more.

What infotainment features does the BZ4X offer?

The vehicle comes with a modern infotainment system, supporting features like Apple CarPlay, Android Auto, navigation, and more.

How does the BZ4X’s performance compare to traditional SUVs?

As an electric vehicle, the BZ4X offers immediate torque and smooth acceleration, providing a responsive and dynamic driving experience.

Is there a warranty on the battery?

Toyota traditionally offers a comprehensive battery warranty, though specifics should be confirmed with dealerships or official announcements.

Are there plans for more BZ models from Toyota?

The “BZ” stands for “Beyond Zero”, indicating Toyota’s commitment to zero emissions. It is expected that Toyota will expand this lineup in the future.

What kind of maintenance does an electric SUV like BZ4X require?

Electric vehicles generally require less routine maintenance than internal combustion engines but will need checks on brakes, tires, and software updates.

Can the BZ4X’s battery be used as a power source during outages?

Some electric vehicles offer this feature. It’s best to check the specific capabilities of the BZ4X with Toyota’s official sources.

How does the BZ4X handle in various terrains and weather conditions?

With available all-wheel drive and traction control systems, the BZ4X is designed to handle a variety of terrains and conditions.

Is the interior space competitive with other SUVs?

The BZ4X, built on the e-TNGA platform, offers a spacious interior, often comparable or even superior to other SUVs in its class.

Will there be over-the-air (OTA) updates for the BZ4X?

Modern electric vehicles often offer this feature. It’s advisable to check with Toyota for specific OTA capabilities for the BZ4X.

Useful Link

Toyota BZ4X 2023 User Guide

2023 toyota BZ4x Specs, Price, Features and Mileage (Brochure)

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