Back-Up Procedures - CITROEN C4 Handbook

Central locking does not take place if any
of the doors are open.
When locking/deadlocking from the
outside
When the vehicle is locked or deadlocked
from the outside, the indicator lamp flashes
and the button is deactivated.
► After normal locking, pull one of the
interior door controls to unlock the vehicle.
► After deadlocking, you must use the
remote control or the Keyless Entry and Start
system to unlock the vehicle.
Automatic (anti-intrusion
security)
The doors and boot lock automatically while
driving (speed above 6 mph (10 km/h)).
To deactivate/reactivate this function (activated
by default):
► Press the button until a confirmation
message appears.
Transporting long or voluminous
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 sound
of the locks rebounding will be heard and an
alert will be displayed.

Back-up procedures

Lost keys, remote control,
electronic key
Go to 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, enabling a
new key to be ordered.
Complete unlocking/locking
of the vehicle with the key
Use this procedure in the following situations:
– Remote control battery discharged.
– Remote control malfunction.
– Vehicle battery discharged.
– Vehicle in an area subject to strong
electromagnetic interference.
In the first case, change the remote control
battery.
In the second case, reinitialise the remote
control.
Refer to the corresponding sections.
► Insert the key in the door lock.
► Turn the key towards the front or the rear to
unlock or lock the vehicle.
If the vehicle is fitted with an alarm, it will
not be activated when locking with the
key.
If the alarm is activated, the siren sounds
when the door is opened; switch on the
ignition to stop it.
Central locking not
functioning
Use these procedures in the following cases:
– Central locking malfunction.
– Battery disconnected or discharged.
In the event of a malfunction of the
central locking system, the battery must
be disconnected to ensure that the vehicle is
locked fully.
Front left-hand door
► Insert the key into the lock and turn it towards
the front or rear of the vehicle to lock and unlock
the door.
Other doors
Unlocking
► Pull the interior door opening control.
Access
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