2021-2023 Citroen C5 Aircrews Keys Instruction Guide
You will find that the Citroen C5 Aircross seamlessly combines cutting-edge technology, elegant design, and unrivaled comfort as you set off on your journey. Whether you are a seasoned Citroen aficionado or a brand rookie, this book will be your dependable travel companion, offering insights into the essential features and capabilities that set this car apart from others in its class. We will go through everything, from unlocking the car and starting the engine to using the user-friendly infotainment system and cutting edge driver aid technologies. After reading this keys instruction manual, you will be well-equipped with the information and self-assurance necessary to get the most out of your Citroen C5 Aircross and make every drive smooth, pleasurable, and safe.
So let’s go out on this adventure together and discover all that the Citroen C5 Aircross has to offer in the years 2021 to 2023. Prepare to travel the road with a sense of refinement, confidence, and flair.
Remote Control Function
- The remote control can be used for the following functions, depending on version.
unlocking/locking/deadlocking the vehicle and the fuel filler flap, unlocking – opening/closing the boot, remote switching on of the lighting, activating/deactivating the alarm ,locating the vehicle, opening/closing the windows, closing the sunroof and the blind, locating the vehicle, activating the vehicle’s electronica mobiliser
The remote control includes a conventional key that allows the central locking/unlocking of the vehicle using the door lock and the starting and switching off of the engine. Back-up procedures allow the vehicle to be locked/unlocked in the event of a failure of the remote control, the central locking, the battery, etc. For more information on the Backup procedures, refer to the corresponding section .
Integral key
The key built into the remote control can be used for the following operations, depending on version.
- unlocking/locking/deadlocking the vehicle,
- activation/deactivation of the mechanical child lock,
- activation/deactivation of the front passenger airbag, back-up unlocking/locking of the doors.
Without Keyless Entry and Starting
To unfold or fold the key, press the button
With Keyless Entry and Starting
To eject the key or put it back in place, upland hold the button.
Unlocking the vehicle With the remote control
Press this button to unlock the vehicle.
Unlocking is signaled by rapid flashing of the direction indicators for a few seconds. Depending on version, the door mirrors unfold and the welcome lighting comes on.
Selective unlocking
- Driver’s door and fuel filler flap
Press the unlocking button. - Press it again to unlock the other doors and the boot.
The complete or selective unlocking and the alarm deactivation, depending on version, is confirmed by flashing of the direction indicators.
Depending on version, the door mirrors unfold.
Opening the windows
Depending on version, holding the unlocking button pressed for more than 3 seconds opens the windows.
The windows stop when the button is released.
With the Key
- Turn the key in the driver’s door lock towards the front of the vehicle to unlock.
Selective unlocking and opening of the tailgate
The settings for the selective tailgate unlocking and motorized operation are made in the vehicle configuration menu.
By default, selective tailgate unlocking is activated and and motorized operation is deactivated.
Make a long press on the button to unlock the boot and trigger the motorized opening of the tailgate
The doors and fuel filler flap remain locked.
If selective unlocking of the tailgate is deactivated , pressing the button unlocks the whole vehicle.
If motorized operation of the tailgate is deactivated , pressing the button releases the tailgate.
To lock the vehicle, it is necessary to close the tailgate again.
Locking the Vehicle
With the remote control
Press this button to lock the vehicle
Locking is confirmed by fixed illumination of the direction indicators for approximately two seconds. Depending on version, the door mirrors fold.
If one of the doors or the boot is still open, the central locking does not work; the vehicle locks, then immediately unlocks, identifiable by the locks making a rebound sound.
When the vehicle is locked, if it is unlocked without the opening of a door or the boot, it will automatically lock itself again after thirty seconds.
The automatic folding and unfolding of the door mirrors can be deactivated via the vehicle’s configuration menu.
With the key
Turn the key in the driver’s door lock towards the rear of the vehicle to lock it.
Check that the doors and boot are fully closed.
Closing the windows and sunroof
Maintaining pressure on the locking button allows the windows and, depending on version, the sunroof to be closed to the desired position. This operation also closes the sunroof blind.
Ensure that no person or object could prevent the correct closing of the windows and sunroof.
If, on versions with alarm, you want to leave the windows and/or sunroof partly open, you must first deactivate the volumetric alarm protection.
For more information on the Alarm, refer to the corresponding section.
Deadlocking
Deadlocking deactivates the exterior and interior door controls, as well as the central locking button on the dashboard. The horn remains operational.
You must therefore never leave anyone inside the vehicle when it is deadlocked.
If your vehicle is fitted with an alarm, activation is confirmed by fixed illumination of the direction indicators for a few seconds.
With the Remote Control
Within 5 seconds of locking the vehicle, press the button again to deadlock it.
With the key
- Within 5 seconds of locking the vehicle, turn the key to the rear again to deadlock it.
Locating your vehicle
This function allows you to identify your vehicle from a distance, particularly in poor light. Your vehicle must be locked.
Press this button. The courtesy lamps will come on and the direction indicators will flash for a few seconds.
Welcome lighting
Availability of this function depends on version.
Briefly press this button. The sidelamps, dipped beam headlamps, number plate lamps and door mirror spot lamps come on for 30 seconds.
Pressing again before the end of the timed period switches off the lamps immediately.
Keyless Entry and Starting
This system allows the unlocking, locking and starting of the vehicle, while carrying the electronic key in the recognition zone .
The electronic key is also used as a remote control. For more information on the Remote control, refer to the corresponding section.
Unlocking the Vehicle
Complete Unlocking
With the electronic key in recognition zone A, pass your hand behind the door handle of one of the front doors or press the tailgate opening control (at the left of the control).
If the motorized tailgate opening control is activated, this action triggers its automatic opening.
Opening the Windows
Depending on version, keeping your hand behind the door handle or maintaining the press on the tailgate opening control allows the windows to be opened to the desired position.
Flashing of the direction indicators for a few seconds signals.
- unlocking of the vehicle for versions without alarm, deactivation of the alarm for other versions. Depending on version, the door mirrors unfold.
Selective unlocking
Driver’s door and fuel flap
- Pass your hand behind the driver’s door handle.
- To unlock the complete vehicle, pass your hand behind the handle of one of the passenger doors, with the electronic key close to the passenger door, or press the tailgate opening control with the electronic key close to the rear of the vehicle.
The setting for selective unlocking of the driver’s door is done in the vehicle configuration menu.
When unlocking the driver’s door, flashing of the direction indicators for a few seconds signals.
- selective unlocking of the vehicle for versions without alarmed activation of the alarm for other versions. Depending on version, the door mirrors unfold.
Selective unlocking of the tailgate
Press the tailgate opening control to unlock just the tailgate.
The doors remain locked.
If selective unlocking of the tailgate is deactivated, pressing this control also unlocks the doors.
Activation or deactivation of selective unlocking of the tailgate is done in the Vehicle/Driving menu of the touch screen.
If one of the doors or the boot is still open or if the electronic key for the Keyless Entry and Starting system has been left inside the vehicle, the central locking does not take place.
If the vehicle is unlocked inadvertently and there is then no action on the doors or boot, the vehicle will automatically lock itself again after about 30 seconds.
If fitted to your vehicle, the alarm will also be reactivated automatically.
The automatic folding and unfolding of the door mirrors can be deactivated via the vehicle’s configuration menu.
As a safety measure, never leave the vehicle without taking the electronic key for the Keyless Entry and Starting system with you, even for a short period.
Be aware of the risk of theft of the vehicle when the electronic key for the Keyless Entry and Starting system is in one of the defined zones with the vehicle unlocked.
In order to preserve the battery in the electronic key and the vehicle’s battery, the “hands-free” functions are put into long-term standby after 21 days without use. To restore these functions, press one of the remote control buttons or start the engine with the electronic key in the reader.
For more information on Starting/Switching off the engine with Keyless Entry and Starting, refer to the corresponding section.
Locking the vehicle
Normal locking
With the electronic key in recognition zone A, press on the door handle of one of the front doors (at the markings) or on the locking control located on the tailgate (on the right of the control).
Access
It is not possible to lock the vehicle if one of the electronic keys is left inside the vehicle.
Closing the windows and the sunroof
Maintaining pressure on the door handle or the tailgate control allows the windows and, depending on version, the sunroof to be closed to the desired position.
This operation also closes the sunroof blind.
Make sure that no item or person could prevent the correct closing of the windows and sunroof.
Be particularly aware of children when operating the windows.
Illumination of the direction indicators for a few seconds signals.
- The locking of the vehicle for versions without alarm, the activation of the alarm for other versions.
Depending on version, the door mirrors fold.
For safety and theft protection reasons, never leave the electronic key in the vehicle, even when you are close to it.
Accumulations (water, dust, grime, salt etc.) on the inner surface of the door handle may affect detection.
If cleaning the inner surface of the door handle using a cloth does not restore detection, contact a CITROËN dealer or a qualified workshop.
A sudden splash of water (stream of water, high pressure jet washer, etc.) may be identified by the system as the desire to open the vehicle.
Deadlocking
Deadlocking deactivates the exterior and interior door controls, as well as the central locking button on the dashboard. The horn remains operational.
You must therefore never leave anyone inside the vehicle when it is deadlocked.
- With the electronic key in recognition zone A, press once with your finger or thumb on the door handle of one of the front doors (at the markings) or on the locking
- control located on the tailgate (at the right of the control) to lock the vehicle.
- Within 5 seconds, press the door handle again to deadlock the vehicle.
Advice
Remote control
The high frequency remote control is a sensitive system; do not operate it while it is in your pocket as there is a possibility that it may unlock the vehicle, without you being aware of it.
Do not press the buttons of your remote control out of range of your vehicle.
It might stop working. It will then be necessary to reinitialize it again.
The remote control does not operate when the key is in the ignition switch, even when the ignition is switched off.
Electrical interference
The Keyless Entry and Starting electronic key may not operate if close to certain electronic devices: telephone, laptop computer, strong magnetic fields, etc.
Anti-theft protection
Do not make any modifications to the electronic engine immobiliser system; this could cause malfunctions.
For vehicles with an ignition switch, do not forget to remove the key and turn the steering wheel to engage the steering lock.
Locking the vehicle
Driving with the doors locked could make it more difficult for the emergency services to enter the vehicle in an emergency.
As a safety precaution (with children on board), remove the key from the ignition or take the electronic key when leaving the vehicle, even for a short time.
Purchasing a second-hand vehicle
Have the key codes memorized by a CITROËN dealer, to ensure that the keys in your possession are the only ones which can start the vehicle.
Central locking Manual
- Press this button to operate the central locking of the vehicle (doors, boot and fuel filler flap) from inside the vehicle. The indicator lamp in the button comes on.
- Pressing the button again unlocks the vehicle completely. The indicator lamp in the button goes off.
The indicator lamp also goes off when unlocking one or more doors.
The central locking does not take place if one of the doors is open.
When locking/deadlocking from the outside
When the vehicle is locked or deadlocked from the outside, the red indicator lamp flashes and the button is inactive.
- After normal locking, pull one of the interior door controls to unlock the vehicle.
After deadlocking, it is necessary to use the remote control, Keyless Entry and Starting or the integral key to unlock the vehicle.
Automatic (anti-intrusion security)
To activate/deactivate this function (activated by default).
Press the button until an audible signal is heard and a message appears in the screen.
Transporting long or bulky objects
Pressing the central locking button unlocks the vehicle.
Above 6 mph (10 km/h), this unlocking is temporary.
Back-up procedures
Lost keys, remote control, electronic key
Visit a CITROËN dealer with the vehicle’s registration certificate, your personal identification documents and if possible, the label bearing the key code.
The CITROËN dealer will be able to retrieve the key code and the transponder code required to order a new key
Complete unlocking/locking of the vehicle with the key
Use these procedures in the following cases.
- remote control battery discharged,
- remote control fault,
- battery failure,
- vehicle in an area subject to strong electromagnetic interference.
In the first case, change the remote control battery.
In the second case, reinitialize the remote control.
Refer to the corresponding sections.
FAQs
Simply press the key fob’s “Unlock” button to open your car. This will simultaneously unlock all of the doors.
The Citroen C5 Aircross does not include a key fob-based remote engine start capability.
A warning message will show up on the dashboard when the key fob battery is low. In order to prevent any inconvenience, replace the battery as soon as you can.
No, a trip to a certified Citroen dealership is necessary to program a spare key for the Citroen C5 Aircross.
To lock all the doors and set off the alarm, press the “Lock” button on the key fob.
In the event of a dead battery or other circumstances, the driver’s door can be manually unlocked using the emergency key, a real key.
To increase security, you can disable the keyless entry mechanism in the settings menu of your car.
If you misplace your key fob, get in touch with the Citroen dealership in your area right away to get a new key made.
Open the key fob and install a fresh battery of the same kind (usually a CR2032 cell) to change the battery. Verify the polarity is accurate.
Yes, the Citroen C5 Aircross has a keyless entry system. When the key fob is inside the car, just depress the brake pedal and press the “Start/Stop” button to start the engine.
Yes, you can change the keyless entry and start settings using the infotainment system in your car.
Check the battery if your key fob isn’t working initially. If the battery is working properly, refer to your car’s owner’s manual for troubleshooting instructions or get in touch with a Citroen service center.
As battery covers differ by model and year, check your owner’s manual for detailed instructions.
Yes, you may set up the key fob to remember preferences for the climate control and seat position in the car. For more information on creating personalized profiles, consult your owner’s handbook.
When not in use, the key fob automatically switches to a low-power mode, so there’s typically no need to manually turn it off to save battery life. However, you can remove the battery to stop it from draining if you intend to store the key fob for a long time.
Useful Link
View Full PDF : 2021-2023 Citroen C5 Aircross User Manual | Auto User Guide
Alarm System : 2021-2023 Citroen C5 Aircross Alarm System Instructions