Citroen C3: Back-up procedures / 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.
Driver's door
Turn the key towards the rear of the vehicle
to lock it, or towards the front to unlock it.
Passenger doors
Unlocking
- Pull the interior door opening control.
Locking
- Open the doors.
- For the rear doors, check that the child lock
is not on.
Refer to the corresponding section.

- Remove the black cap, located on the edge
of the door, using the key.
- Insert the key into the socket without forcing
it, then turn the latch towards the inside of the
door.
- Remove the key and refit the black cap.
- Close the doors and check from the outside
that the vehicle is locked.
Lost keys, remote control, electronic key
Visit a CITROËN dealer with the vehicle's
registration certificate, a personal identification
document and, if possible, the label bearing the
key code...
A message is displayed on the instrument panel
when the battery needs changing.
Without Keyless Entry and Starting
Battery type: CR2032 / 3 volts.
With Keyless Entry and Starting
Battery type: CR2032 / 3 volts...
Other information:
Observe the following recommendations to avoid
damaging your vehicle.
Exterior
Never use a high-pressure
jet wash in
the engine compartment, due to the risk
of damaging electrical components.
Do not wash the vehicle in strong sunshine or
extremely cold conditions...
i-Size child seats have two latches that engage on the two rings A.
These i-Size child seats also have:
either an upper strap that is attached to ring B.
or a support leg that rests on the vehicle floor, compatible with the
approved i-Size seat position...