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:
Hazard warning lamps
Pressing the red button causes all the
direction indicators to flash.
They can operate with the ignition off.
Automatic operation of hazard warning lamps
When braking in an emergency, depending on
the rate of deceleration, the hazard warning
lamps come on automatically...
Left or right: lower or raise the lighting control
stalk, beyond the point of resistance.
If you forget to cancel the
direction
indicators for more than 20 seconds, the
volume of the audible signal will increase if
the speed is above 50 mph (80 km/h)...