2021-2023 Citroen C4 Cactus Keys Instruction Guide
Additionally, the keys might have remote control capabilities that let you lock, open, and even start the engine while you’re far away. Some models might include key fob proximity sensing capabilities, which let the car detect your presence as you go closer and make entrance and starting the engine simple.
The 2021–2023 Citroen C4 Cactus keys will be covered in further detail in this introduction, along with their features, advantages, and how they improve the convenience and modernity of driving.
Remote Control Function
The remote control can be used for the following remote functions, depending on version:
- Unlocking / Locking / Deadlocking the vehicle.
- Unlocking the boot.
- Opening the fuel tank cap (without Keyless Entry and Starting).
- Unlocking / Locking the fuel filler flap (with Keyless Entry and Starting).
- Locating the vehicle.
Activating the vehicle’s electronic immobiliser. The remote control includes a conventional key that allows the central unlocking / locking of the vehicle using the door lock, as well as starting and switching off 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 Back-up procedures, please 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 manual child lock.
- Activation/Deactivation of the front passenger airbag.
- Back-up Unlocking/Locking of the doors.
- Switching on the ignition and starting/switching off the engine.
Rejecting the key
Version without Keyless Entry and Starting
- To eject the key from the housing, press the button.
- Press the button before folding the key back to avoid damaging the mechanism.
Version with Keyless Entry and Starting
- To eject the key from the housing, pull and hold the button.
- Pull and hold the button before returning the key.
Unlocking the Vehicle With the Remote Control
Press this button to unlock the vehicle.
Rapid flashing of the direction indicators for a few seconds signals:
- the unlocking of the vehicle for versions without alarm,
- the deactivation of the alarm for other versions.
Depending on version, the door mirrors unfold, and the welcome lighting comes on.
With the key
Turn the key in the driver’s door lock towards the front of the vehicle to unlock.
Selective unlocking of the Boot
Press and hold this button until the boot is unlocked. The doors remain locked.- By default, selective unlocking of the boot is activated.
- If selective unlocking of the boot is deactivated, pressing this button also unlocks the doors.
Selective unlocking of the boot is configured in the Driving / Vehicle touch screen menu.- Remember to close the boot again and lock it by pressing the closed padlock.
Locking the Vehicle With the Remote Control
Press this button to lock the vehicle.
The fixed 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. 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 opening a door or the boot, it will automatically lock itself again after thirty seconds.
The folding and automatic unfolding of the door mirrors can be deactivated by 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.
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.
Deadlocking
Deadlocking deactivates the exterior and interior door controls, as well as the central locking button on the dashboard.
The horn remains operational.
Never leave anyone inside the vehicle when it is deadlocked.
With the Remote ControlWithin 5 seconds of locking the vehicle, press the button again to deadlock it.
If your vehicle is fitted with an alarm, activation is confirmed by fixed illumination of the direction indicators for a few seconds.
With the key
Within 5 seconds of locking the vehicle, turn the key to the rear again to deadlock it.
Advice
Remote control
- The remote control is a sensitive, high-frequency device; avoid handling it in your pocket, due to the risk of unintentionally unlocking the vehicle.
- Avoid pressing the remote control buttons while out of range of the vehicle, due to the risk of rendering the remote control inoperative. It would then be necessary to reset it.
- The remote control does not work when the key is in the ignition switch, even when the ignition is switched off.
Anti-theft protection
- Do not modify the electronic vehicle immobiliser, as this might result in malfunctions.
- For vehicles with a key ignition switch, remember 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, remove the key from the ignition or take the electronic key with you when leaving the vehicle, even for a short time.
Purchasing a second-hand vehicle
Have the key codes memorised by a CITROËN dealer, to ensure that the keys in your possession are the only ones able to start the vehicle.
Keyless Entry and Starting
This system allows the unlocking, locking and starting of the vehicle, while keeping the electronic key on your person in the recognition zone “A” around the vehicle.
The electronic key also acts as a remote control. For more information on the Remote control, refer to the corresponding section.
Unlocking the vehicle
- With the electronic key on your person and in the recognition zone, pass your hand behind the door handle of one of the front doors or press the centre of the tailgate opening control.
- The flashing of the direction indicators for a few seconds signals the unlocking of the vehicle. Depending on version, the door mirrors unfold.
Locking the vehicle
Normal locking
With the electronic key in the recognition zone, press with a finger or thumb on one of the front door handles (at the markings) to lock the vehicle.
It is not possible to lock the vehicle if one of the keys is left inside 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.
Never leave anyone inside the vehicle when it is deadlocked.
- With the electronic key in the recognition zone, press one of the front door handles once with your finger or thumb (at the markings) to lock the vehicle.
- Within 5 seconds, press the door handle again to deadlock the vehicle.
- 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, central locking will be disabled.
- However, if the vehicle is fitted with an alarm, it will be activated after 45 seconds.
- If the vehicle is unlocked but the doors or boot are not subsequently opened, the vehicle will automatically lock itself again after about 30 seconds. If the vehicle is fitted with an alarm, it will also be reactivated automatically.
- The automatic door mirror folding/ unfolding function is configured via the touch screen’s vehicle configuration menu.
- As a safety measure, never leave the vehicle, even for a short time, without taking the Keyless Entry and Starting system’s electronic key with you.
- Be aware of the risk of theft of the vehicle if the key is present in one of the defined areas while the vehicle is unlocked.
- 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.
- To preserve the battery charge in the electronic key and the vehicle’s battery, the “hands-free” functions are set to hibernation mode 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 with the Keyless Entry and Starting system, refer to the corresponding section.
Electrical interference
The electronic key may not operate if close to certain electronic devices: telephone (switched on or on standby), laptop computer, strong magnetic fields, etc.
FAQ
Keyless entry and smart keys for the ignition are commonly standard on Citroen C4 Cactus vehicles.
With the key fob tucked away in your pocket or backpack, you can unlock and lock the car simply by walking up to it or away from it.
Yes, your local Citroen dealership can typically repair lost or broken key fobs.
In the event that the key fob breaks down or runs out of battery, some models may also include a physical key.
While the key fob is inside the car, just press the brake pedal and the engine start/stop button to turn on the engine.
Your dealership will often be able to program extra key fobs.
The majority of key fobs have replaceable batteries; check your owner’s manual for advice on how to do so.
Modern key fob systems employ encryption to thwart hacking, and some have features like motion detection to discourage theft.
Yes, a lot of key fobs include this feature.
The majority of keyless entry systems lock the car when you walk away while holding the key fob.
Some key fob settings, such as auto-locking, can be altered via the settings menu of the car.
Check your owner’s manual for instructions. Some models may let you disable keyless entry features.
For keyless entry and ignition, the distance varies, but it’s normally just a few feet from the automobile..
To prevent hacking, keep your key fob in a safe place and think about wearing a signal-blocking bag.
Consult your owner’s manual or get help from your dealership if you experience key fob issues.
Useful Link
View Full PDF: Citroen C4 Cactus 2021-2023 User Manual | Auto User Guide
Alarm System : 2021-2023 Citroen C4 Cactus Alarm System Instructions