2021-2023 Opel Astra Keys and Locks Operation
For the model years 2021-2023, the key and lock operation of the popular compact car Opel Astra has been significantly updated and improved. There are several noteworthy changes to this system. This guide aims to examine the sophisticated functionalities and attributes of the keys and locking system on the Opel Astra for the specified model years. These advancements not only augment convenience and security but also mirror the perpetually changing terrain of automotive technology.
Whether you are a current or prospective purchaser of a 2021-2023 Opel Astra, it is vital that you have a thorough comprehension of the functionality of the key and locks. Featuring advanced security measures and keyless entry, this introduction will furnish an exhaustive synopsis of the sophisticated systems implemented to guarantee a secure and uninterrupted driving encounter. Embark with us as we explore the Opel Astra’s state-of-the-art keys and locks system.
Keys, locks
Keys
CAUTION
Do not attach heavy or bulky items to the ignition key.
DANGER
Never remove the key from ignition switch during driving as this will cause steering wheel lock.
Replacement keys
The key number is specified on a detachable tag.
The key number must be quoted when ordering replacement keys as it is a component of the immobiliser system.
- Locks.
- Central locking.
- Starting the engine.
- Radio remote control.
- Electronic key.
The code number of the adapter for the locking wheel nuts is specified on a card. It must be quoted when ordering a replacement adapter.
Wheel changing.
Key with foldaway key section
Press button to extend. To fold the key, first press the button.
Lock cylinders
Designed to free-wheel if they are forcefully rotated without the correct key or if the correct key is not fully inserted. To reset, turn cylinder with the correct key until its slot is vertical, remove key then re-insert it. If the cylinder still free-wheels, turn the key through 180° and repeat operation.
Radio remote control
unlocks the vehicle
locks the vehicle
long press unlocks and opens the tailgate
Enables operation of the following functions via the use of the remote control buttons:
- central locking system
- anti-theft locking system
- anti-theft alarm system
- tailgate unlocking
- power windows
- mirrors folding
- vehicle locator lighting
The remote control has a range of up to 50 m, but may also be much less due to external influences. The hazard warning flashers confirm operation.
Handle with care, protect from moisture and high temperatures and avoid unnecessary operation.
Replacing battery in radio remote control
Replace the battery as soon as the system no longer operates properly or the range is reduced. In the event of a discharged battery, C illuminates in the instrument cluster and a warning message is displayed in the Driver Information Centre.
Batteries do not belong in household waste. They must be disposed of at an appropriate recycling collection point.
- Remove the back cover from the remote control.
- Extract the flat battery from its location.
- Replace battery with a battery of the same type. Pay attention to the installation position.
- Clip the back cover in place.
Fault
If the central locking system cannot be operated with the radio remote control, the cause may be one of the following:
- Fault in radio remote control.
- The battery voltage is too low.
- Overload of the central locking system by operating at frequent intervals, the power supply is interrupted for a short time.
- Interference from higher-power radio waves from other sources.
Electronic Key System
Enables a keyless operation of the following functions:
- central locking system
- ignition switching on and starting the engine
The electronic key simply needs to be on the driver’s person.
For reasons of security, the elctronic key may be equipped with a motion sensor. If so, starting of the vehicle is not possible when the electronic key has not been moved for a certain time. When trying to start the vehicle, a corresponding message appears in the Driver Information Centre. Move the electronic key and try to start the vehicle again.
Additionally, the electronic key includes the functionality of the radio remote control. Handle with care, protect from moisture and high temperatures and avoid unnecessary operation.
Replacing battery in electronic key
Replace the battery as soon as the system no longer operates properly or the range is reduced.
In the event of a discharged battery, C illuminates in the instrument cluster and a warning message is displayed in the Driver Information Centre.
Batteries do not belong in household waste. They must be disposed of at an appropriate recycling collection point.
- Remove the back cover.
- Extract the flat battery from its location.
- Replace battery with a battery of the same type. Pay attention to the installation position.
- Clip the back cover in place.
Fault
If the central locking cannot be operated or the engine cannot be started, the cause may be one of the following:
- Fault in electronic key.
- Electronic key is out of reception range.
- The battery voltage is too low.
- Overload of the central locking system by operating at frequent intervals, the power supply is interrupted for a short time.
- Interference from higher-power radio waves from other sources.
To rectify the cause of the fault, change the position of the electronic key.
Central locking system
Unlocks and locks doors, load compartment and fuel filler flap.
A pull on an interior door handle opens the respective door.
Notice
In the event of an accident in which airbags or belt pretensioners are deployed, the vehicle is automatically unlocked.
Remote control operation
Unlocking
Press a.
Notice
A short time after unlocking the vehicle with the remote control, the doors are locked automatically if no door has been opened.
Unlocking mode can be set in the vehicle personalisation menu in the Info Display. Following settings are selectable:
- All doors, load compartment and fuel filler flap will be unlocked by pressing a once.
- Only the driver’s door and fuel filler flap will be unlocked by pressing a once. To additionally unlock all doors and the load compartment, press a twice.
Select the relevant setting in the Vehicle personalisation.
Locking
Close doors, load compartment and fuel filler flap.
Press .
If the vehicle is not closed properly, the central locking system will not work.
Operation of the central locking system is confirmed by the hazard warning flashers.
Load compartment
Press and hold to unlock.
Unlocking settings for the load compartment can be set in the vehicle personalisation:
- Only the load compartment will be unlocked by pressingonce.
- All doors, load compartment and fuel filler flap will be unlocked by pressing once.
Depending on the chosen setting in the vehicle personalisation, the load compartment can be locked:
- by simply closing the opened tailgate.
- by pressing once on the remote control with the tailgate closed.
Select the relevant setting in the vehicle personalisation.
Confirmation
Operation of the central locking system is confirmed by the hazard warning flashers.
Electronic key system operation
The electronic key must be outside the vehicle, within a range of approx. 1 m of the relevant door side .This system allows automatic vehicle
locking and unlocking simply by detection of the electronic key. The electronic key must be outside the vehicle.
Notice
If the vehicle is not closed properly or the electronic key remains in the vehicle, locking will not be permitted. If the vehicle is equipped with an anti-theft alarm system, a warning chime sounds after a few seconds.
Notice
The electronic key may not operate if placed close to electronic devices such as mobile phones or laptop computers.
- Zone 1: automatic locking on leaving the vehicle
- Zone 2: automatic unlocking on approaching the vehicle
Notice
If the electronic key remains for more than 15 minutes in zone 1, automatic unlocking is deactivated. Unlock the vehicle by pressing a or ? on the remote control or touch the sensor of the driver’s door handle to unlock the vehicle. Automatic locking and unlocking is activated again.
Notice
A short time after automatic unlocking, the vehicle is relocked if no door has been opened.
Notice
If the ignition is switched off for more than 9 days or the vehicle battery has no sufficient charging, the automatic function is disabled. Press a or ? on the remote control or touch the sensor of the driver’s door handle to unlock the vehicle.
In the event that the ignition is switched off for more than 21 days, the only way to unlock the vehicle is by pressing a or ? on the remote control.
Unlocking / locking
Unlocking / locking mode can be set in the vehicle personalisation menu in the Info Display. Following settings are selectable:
- Only the driver’s door and fuel filler flap will be unlocked /locked.
- All doors, load compartment and fuel filler flap will be unlocked /locked.
- Only the load compartment will be unlocked / locked.
Vehicle personalisation
Load compartment .
Operation with buttons on the electronic key
The central locking system can also be operated with the buttons on the electronic key.
Press to unlock.
Press to lock.
Press longer to unlock and open only the power tailgate.
Remote control operation .
Driver’s door handle
The central locking system can also be operated by touching on the sensor of the driver’s door handle.
Touch the sensor of the drivers’s door handle to unlock or to lock.
Confirmation
Operation of central locking system is confirmed by the hazard warning flashers. A precondition is that the setting is activated in the vehicle personalisation 3 107.
Central locking button
Locks or unlocks all doors, the load compartment and fuel filler flap from inside the passenger compartment.
Central locking button
Locks or unlocks all doors, the load compartment and fuel filler flap from inside the passenger compartment.
Press to lock. The LED in the button illuminates.
Press again to unlock. The LED in the button extinguishes.
Operation with the key in case of a central locking system fault
In case of a fault, e.g. vehicle battery or remote control / electronic key battery is discharged, the front door can be locked or unlocked with the mechanical key.
Manual unlocking
Electronic key: push the latch to extract the integral key.
Manually unlock the front door by inserting and turning the key in the lockcylinder.
The other doors can be opened by pulling the interior handle. The load compartment and fuel filler flap will possibly not be unlocked.
By switching on the ignition, the anti-theft locking system is deactivated.
Manual locking
Manually lock the front door by inserting and turning the key in the lock cylinder.
To lock the other doors, remove the black cover by using a key.
Insert key carefully and move it to the inner side of the door without turning the key. Then, remove key and attach black cover again.
Close the doors. The fuel filler flap and tailgate are possibly not locked.
Automatic Locking
Automatic locking after driving off
This system allows automatic locking of the doors and tailgate as soon as the speed of the vehicle exceeds a certain speed.
If one of the doors or the tailgate is open, the automatic central locking does not take place. This is signalled by the sound of the locks rebounding, accompanied by illumination of in the instrument cluster, an audible signal and the display of an alert message.
This function can be activated or deactivated at any time. With the ignition on, press b until an audible signal starts and a corresponding message is displayed.
The state of the system stays in memory when switching off the ignition.
Automatic relock after unlocking
This feature automatically relocks the vehicle a short time after unlocking with the remote control or electronic key, provided vehicle has not been opened.
FAQs
Indeed, it is possible to initiate the engine of an Opel Astra equipped with keyless ignition simply by utilising the key transponder that is in your possession.
In the event of a dead battery, a physical key contained within the key fob can be utilised to manually release the driver’s door.
Some models, contingent upon the specification level, feature key fob-operated remote engine start.
Although the key device is water-resistant, it is optimal to maintain it dry in order to extend its operational period.
Immediately contact your Opel dealership to obtain a replacement key transmitter and have it reprogrammed.
Indeed, it is possible to modify these attributes via the vehicle’s settings, thereby enabling one to establish alternative timings for the doors to unlock and secure.
There are safeguards in place to prevent the Opel Astra from being locked inside with the keys, and some models even provide an alert.
For your convenience, Opel typically includes two key fobs with each new Opel Astra.
While certain models offer the capability to programme additional key fobs independently, others may necessitate the involvement of a dealership.
Pressing the unlock button on the key fob or inserting the key into the ignition and rotating it to the “on” position will deactivate the alarm.
When necessary, certain Opel Astra models permit the interior motion sensor to be deactivated.
The key fob generally possesses a detachable cover, which facilitates the process of battery replacement. For precise instructions, refer to the owner’s manual.
A: Certain Opel Astra models permit remote locking and unlocking through a smartphone application, assuming the vehicle is fitted with such a function.
Typically, a PIN code can be configured to increase the security of a keyless entry system.
In the event of a lost or stolen key fob, promptly notify your Opel dealership so that the fob can be deactivated in order to thwart unauthorised access.
Useful Link
View Full PDF : Opel Astra 2021-2023 User Manual| Auto User Guide
2021-2023 Opel Astra Alarm System Setup Guide