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Access -> Central locking for Your Citroen C4 Cactus SUV Second Generation (2018-2024)

Access  
It is not possible to lock the vehicle if one of the  
keys is left inside the vehicle.  
The automatic door mirror folding/  
unfolding function is configured via the  
touch screen’s vehicle configuration menu.  
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.  
Deadlocking  
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.  
Electrical interference  
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.  
The electronic key may not operate if  
close to certain electronic devices: telephone  
(switched on or on standby), laptop computer,  
strong magnetic fields, etc.  
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.  
Central locking  
► 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.  
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.  
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.  
Manual  
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  
► Press this button to lock/unlock the vehicle  
(doors and boot) from inside the vehicle.  
The indicator lamp comes on to confirm central  
locking of the vehicle.  
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 central locking does not take place if  
one of the doors is open.  
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Access  
When locking/deadlocking from the  
outside  
When the vehicle is locked or deadlocked  
from the outside, the indicator lamp flashes  
and the button is inoperative.  
► 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.  
► Insert the key in the door lock barrel.  
Back-up procedures  
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► Turn the key towards the front of the vehicle  
to unlock it, or towards the rear to lock it.  
► Turn the key rearwards again within 5  
seconds to deadlock the vehicle.  
For versions without alarm, the lighting of the  
direction indicators for a few seconds confirms  
that the procedure has completed correctly.  
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  
If your vehicle is fitted with an alarm, this  
function will not be activated when  
locking with the key.  
If the alarm is activated, the siren sounds on  
opening the door; switch on the ignition to  
stop it.  
Automatic (anti-intrusion  
security)  
The doors and boot lock automatically when  
driving (speed above 6 mph (10 km/h)).  
To deactivate/reactivate this function (activated  
by default):  
Total unlocking/locking of  
the vehicle with the key  
Use these procedures in the following cases:  
– remote control cell battery flat,  
– remote control fault,  
Central locking not  
functioning  
Use these procedures in the following cases:  
– central locking fault,  
► Press the button until an audible signal is  
heard and a message appears in the screen.  
– vehicle in an area subject to strong  
electromagnetic interference.  
Transporting long or bulky objects  
Press the central locking control to drive  
with the boot open and the doors locked.  
Otherwise, every time the speed of the  
vehicle exceeds 6 mph (10 km/h), the locks  
will rebound and an alert will appear.  
Pressing the central locking button unlocks  
the vehicle.  
In the first case, you can also replace the remote  
control cell battery.  
In the second case, you can also reinitialise the  
remote control.  
– battery disconnected or discharged.  
In the event of a malfunction with the  
central locking system, the battery must  
be disconnected to lock the boot and thus  
ensure that the vehicle is locked fully.  
Refer to the corresponding sections.  
Driver's door  
Above 6 mph (10 km/h), this unlocking is  
temporary.  
► Turn the key towards the rear of the vehicle  
to lock it, or towards the front to unlock it.  
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