Citroen C3 Manuals

Citroen C3: Lighting and visibility / Automatic illumination of headlamps

Citroen C3 2016-2023 Owners Manual / Lighting and visibility / Automatic illumination of headlamps

When the ring is at the “AUTO" position and a low level of ambient light is detected by the rain/sunshine sensor, the number plate lamps, sidelamps and dipped beam headlamps are switched on automatically, without any action on the part of the driver. They may also come on if rain is detected, at the same time as automatic operation of the windscreen wipers.

As soon as the brightness returns to a sufficient level or after the windscreen wipers are switched off, the lamps are switched off automatically.

Switching on/off

Citroen C3. Automatic illumination of headlamps

  • To activate it, turn the ring to the "AUTO" position.
  • To deactivate it, turn the ring to any other position.

When the function is activated or deactivated, a message is displayed.


Citroen C3. Automatic illumination of headlamps In the event of a malfunction of the rain/ sunshine sensor, the vehicle’s lighting comes on and this warning lamp is displayed in the instrument panel, accompanied by an audible signal and/or the display of a message.

Contact a CITROËN dealer or a qualified workshop.

Citroen C3. Automatic illumination of headlamps Do not cover the rain/sunshine sensor located at the top centre of the windscreen behind the interior rear view mirror; the associated functions would no longer be controlled.

Citroen C3. Automatic illumination of headlamps In fog or snow, the rain/sunshine sensor may detect sufficient light. For this reason, the lighting will not come on automatically.

Citroen C3. Automatic illumination of headlamps The inner surface of the windscreen may become misted up and affect the proper operation of the rain/sunshine sensor. In humid and cold weather, demist the windscreen regularly.

    Direction indicators

    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)...

    Daytime running lamps/Sidelamps

    These lamps at the front and rear of the vehicle light up automatically when the engine starts. They perform the following functions: Daytime running lamps (lighting control stalk at position "0" or "AUTO" with adequate ambient light)...

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