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:
Before changing a fuse:
Identify the cause of the fault and fix it.
Stop all power consumption.
Immobilise the vehicle and switch the ignition
off.
Identify the defective fuse using the current
allocation tables and diagrams.
To replace a fuse, it is essential to:
Use the special tweezers to extract the fuse
from its housing and check the condition of its
filament...
Driving with a trailer
places greater
demands on the towing vehicle and
requires extra care from the driver.
Respect the maximum
towable weights.
At altitude: reduce the maximum load by
10% per 1,000 metres of altitude; the density
of the air decreases with altitude and the
performance of the engine reduces...
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