Citroen C3: Changing a bulb / Rear lamps

- Sidelamps (R10W)
- Brake lamps (P21W)
- Direction indicators (PY21W)
- Reversing lamp (P21W) or Foglamp (PR21W)
Changing bulbs

These bulbs are changed from inside the boot.
- Open the boot.
- Remove the access flap on the
corresponding side trim.
- Disconnect the lamp unit connector.
- Unscrew the nut and remove it. Be careful
not to drop it inside the wing.
- Unclip the lamp unit and carefully extract it
pulling straight towards the outside.
A standard pair of pliers or the wheelbrace
(depending on equipment) may be necessary to
remove the nut.

- Remove the retaining tabs from the bulb
holder and remove it.
- Turn the bulb a quarter turn and replace it.
Make sure to engage the
lamp unit in its
guides while keeping it in line with the
vehicle.
Tighten sufficiently to ensure sealing, but
without damaging the lamp unit.
Third brake lamp (4 T10 W5W bulbs)

- Open the boot, unclip the plastic covers.
- Push the two lugs with a screwdriver.
- Remove the lamp unit from outside of the
tailgate.
- Disconnect the connector.
- Turn the bulb holder corresponding to the
faulty bulb a quarter turn and pull it out.
- Remove the bulb and replace it.
To refit, perform these operations in reverse
order, checking that the screenwash fluid nozzle
is on the left-hand side.
Courtesy lamp (W5W)
Using a thin, flap tip screwdriver, unclip the
entire console surrounding the courtesy lamp.
Remove the defective bulb and replace it...
Other information:
With the electronic key in the passenger
compartment, pressing the “START/STOP”
button, without pressing any of the pedals,
allows the ignition to be switched on without
starting the engine.
Press this button again to switch off the
ignition and allow the vehicle to be locked...
Normal locking
With the electronic key in the recognition
zone, press with a finger or thumb on one of the
front door handles (at the markings) to lock the
vehicle.
It is not possible to lock the vehicle if one of the
keys is left inside the vehicle...