Citroen C3: Back-up procedures / Changing the battery
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.

- Unclip the cover by inserting a small
screwdriver in the slot and raise the cover.
- Remove the discharged battery from its
housing.
- Insert the new battery, observing the polarity,
and clip the cover onto the housing.
- Reinitialise the remote control.
For more information on Reinitialising the
remote control, refer to the corresponding
section.
Do not throw remote
control batteries
away, as they contain metals that are
harmful to the environment. Take them to an
approved disposal point.
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...
Following replacement of the battery or in
the event of a fault, it may be necessary to
reinitialise the remote control.
Without Keyless Entry and Starting
Switch off the ignition...
Other information:
Allows manual adjustment of the brightness of
the instrument panel and touch screen according
to the outside lighting.
Only works when the vehicle lamps are on
(except daytime running lamps) and in night
mode.
Two buttons
With the lamps on, press button A to increase
the brightness of the lighting, or button B to
decrease it...
Voice commands:
This control is located on the steering
wheel or at the end of the lighting control stalk
(depending on equipment).
Short press, smartphone voice commands via
the system.
Increase volume.
Decrease volume.
Mute by pressing the volume increase
and decrease buttons simultaneously
(depending on equipment)...