ignition Citroen DS4 2010.5 1.G Service Manual

125Visibility
Switching off the lighting when switching off the ignition
When the ignition is switched off, all of the lamps switch off immediately, except for the dipped beam headlamps if automatic guide-me-home lighting is activated.
Temporarily keeping the dipped beam headlamps on after the vehicle's ignition has been switched off makes the driver's exit easier when the light is poor.
Switching on
 With the ignition off, "flash" the headlamps using the lighting stalk.  A fur ther "headlamp flash" switches the function off.
Switching off
The manual guide-me-home lighting switches off automatically after a set time.
Manual guide-me-home
lighting
Daytime lighting, compulsory in cer tain countries, which comes on automatically when the engine is star ted making the vehicle more visible to other users.
This function is assured:
- in countries where it is imposed by regulations, by illumination of the dipped beam headlamps associated with illumination of the sidelamps and number plate lamps. - for other countries where it is provided, by illumination of dedicated lamps associated with illumination of the sidelamps and number plate lamps.
The instruments and controls (multifunction screen, air conditioning control panel, ...) are not illuminated, except in night mode with manual or automatic illumination of headlamps.
Daytime running lamps
This function can be activated or deactivated via the vehicle configuration menu.
Switching on the lighting when switching on the ignition
To reactivate the lighting control stalk, turn the ring A to position A"0" - lighting off, then to the position of your choice. If the lighting is switched on manually after
switching off the ignition, there is an audible signal when a front door is opened to warn the driver that they have forgotten to switch off the vehicle's lighting, with the ignition off. They switch off automatically after a period which depends on the state of charge of the battery (entry to energy economy mode).

The sidelamps and dipped beam headlamps are switched on automatically, without any action on the par t of the driver, when a low level
of external light is detected or in cer tain cases of activation 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.
Automatic illumination of headlamps
Activation
 Turn the ring to the "AUTO" position. The automatic illumination of headlamps is accompanied by a message in the screen.
Deactivation
 Turn the ring to another position. Deactivation is accompanied by a message in the screen.
Associated with the automatic "Guide-me-home" lighting
Association with the automatic lighting provides the "guide-me-home" lighting with the following additional options: - selection of the lighting duration of 15, 30 or 60 seconds in the vehicle parameters
in the vehicle configuration menu, - automatic activation of "guide-me-home" lighting when automatic lillumination of headlamps is in operation.
Parking lamps
Side markers for the vehicle by illumination of the sidelamps on the traffic side only.  Within one minute of switching off the
ignition, operate the lighting control stalk up or down depending on the traffic side (for example: when parking on the left; lighting control stalk upwards; the right hand sidelamps are on). This is confirmed by an audible signal and illumination of the corresponding direction indicator warning lamp in the instrument panel. To switch off the parking lamps, return the lighting control stalk to the central position.

The sidelamps and dipped beam headlamps are switched on automatically, without any action on the par t of the driver, when a low level
of external light is detected or in cer tain cases of activation 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.
Automatic illumination of headlamps
Activation
 Turn the ring to the "AUTO" position. The automatic illumination of headlamps is accompanied by a message in the screen.
Deactivation
 Turn the ring to another position. Deactivation is accompanied by a message in the screen.
Associated with the automatic "Guide-me-home" lighting
Association with the automatic lighting provides the "guide-me-home" lighting with the following additional options: - selection of the lighting duration of 15, 30 or 60 seconds in the vehicle parameters
in the vehicle configuration menu, - automatic activation of "guide-me-home" lighting when automatic lillumination of headlamps is in operation.
Parking lamps
Side markers for the vehicle by illumination of the sidelamps on the traffic side only.  Within one minute of switching off the
ignition, operate the lighting control stalk up or down depending on the traffic side (for example: when parking on the left; lighting control stalk upwards; the right hand sidelamps are on). This is confirmed by an audible signal and illumination of the corresponding direction indicator warning lamp in the instrument panel. To switch off the parking lamps, return the lighting control stalk to the central position.

127Visibility
Operating fault
In the event of a malfunction of the sunshine sensor, the lighting comes on, this warning lamp is displayed in the instrument panel and/or a message appears in the screen, accompanied by an audible signal. Contact a CITROËN dealer or a qualified workshop.
In fog or snow, the sunshine sensor may detect sufficient light. In this case, the lighting will not come on automatically. Do not cover the sunshine sensor, coupled with the rain sensor and located in the centre of the windscreen
behind the rear view mirror; the associated functions would no longer be controlled.
Exterior welcome lighting
The remote switching on of the lighting and side spotlamps makes your approach to the vehicle easier in poor light. It is activated depending on the light level detected by the sunshine sensor.
Switching on
Switching off
The exterior welcome lighting switches off automatically after a set time, when the ignition is switched on or on locking the vehicle.
Programming
 Press the open padlock on the remote control.
The dipped beam headlamps and the sidelamps come on, as well as the side spotlamps, located under the door mirrors; your vehicle is also unlocked.
The lighting duration is selected via the vehicle configuration menu.

127Visibility
Operating fault
In the event of a malfunction of the sunshine sensor, the lighting comes on, this warning lamp is displayed in the instrument panel and/or a message appears in the screen, accompanied by an audible signal. Contact a CITROËN dealer or a qualified workshop.
In fog or snow, the sunshine sensor may detect sufficient light. In this case, the lighting will not come on automatically. Do not cover the sunshine sensor, coupled with the rain sensor and located in the centre of the windscreen
behind the rear view mirror; the associated functions would no longer be controlled.
Exterior welcome lighting
The remote switching on of the lighting and side spotlamps makes your approach to the vehicle easier in poor light. It is activated depending on the light level detected by the sunshine sensor.
Switching on
Switching off
The exterior welcome lighting switches off automatically after a set time, when the ignition is switched on or on locking the vehicle.
Programming
 Press the open padlock on the remote control.
The dipped beam headlamps and the sidelamps come on, as well as the side spotlamps, located under the door mirrors; your vehicle is also unlocked.
The lighting duration is selected via the vehicle configuration menu.

129Visibility
Directional lighting
When the dipped or main beam headlamps are on, this function, allows the light beams to better follow the road. The use of this function, coupled with the xenon
headlamps and the static intersection lighting, considerably improves the quality of your lighting when cornering.
This function is inactive: - when stationary or at low speeds, - when reverse is engaged.
The system is activated by default. with directional lighting
without directional lighting
Programming
The system is activated or deactivated in the vehicle configuration menu.
The state of the system stays in memory on switching off the ignition.
Contact a CITROËN dealer or a qualified workshop.
Operating fault
If a fault occurs, this warning lamp flashes in the instrument panel, accompanied by a message in the screen.

Automatic rain sensitive
windscreen wipers
The windscreen wipers operate automatically, without any action on the par t of the driver, if rain is detected (sensor behind the rear view mirror), adapting their speed to the intensity of the rainfall.
Switching on
Briefly push stalk A downwards.
The instruction is confirmed by a wiping cycle, accompanied by
illumination of this warning lamp in the instrument panel and an activation message.
Switching off
Briefly push stalk A downwards again.
The instruction is confirmed by this warning lamp going off in the instrument panel and/or the display of a deactivation message.
The automatic rain sensitive windscreen wipers must be reactivated
if the ignition has been off for more than one minute.
Operating fault
If an automatic rain sensitive wiper malfunction occurs, the wipers will operate in intermittent mode. Contact a CITROËN dealer or a qualified workshop.
Do not cover the rain sensor, linked with the sunshine sensor and located in the centre of the windscreen behind the rear view mirror.
Switch off the automatic rain sensitive wipers when using an automatic car wash. In winter, it is advisable to wait until the
windscreen is completely clear of ice before activating the automatic rain sensitive wipers.

To park the wipers after this has been done, switch on the ignition and operate the stalk. To maintain the effectiveness of the "flat-blade" wiper blades, it is advisable to: - handle them with care, - clean them regularly using soapy water, - avoid using them to retain cardboard on the windscreen, - replace them at the first signs of wear.
This position permits release of the windscreen wiper blades. It is used for cleaning or replacement of the blades. It can also be useful, in winter, to detach the blades from the windscreen. In the moment following switching the ignition off, any action on the stalk positions the wipers ver tically on the windscreen.
Special position of the
windscreen wipers

1. Front cour tesy lamp
2. Front map reading lamps3. Rear cour tesy lamp4. Rear map reading lamps
Courtesy lamps
In this position, the cour tesy lamp comes on gradually:
Front and rear courtesy lamps
- when the vehicle is unlocked, - when the key is removed from the ignition, - on opening a door, - when the remote control locking button is used to locate your vehicle.
It switches off gradually: - when the vehicle is locked, - when the ignition is switched on, - 30 seconds after the last door is closed.
Permanently off.
Permanent lighting.
In permanent lighting mode, the lighting time varies according to the circumstances: - with the ignition off, approximately ten minutes, - in energy economy mode, approximately thir ty seconds, - with the engine running, unlimited. When the cour tesy lamp is in the "permanent lighting" position, the rear cour tesy lamp also comes on, except if it is in the "permanently off " position. To switch off the rear cour tesy lamp, put it in the the "permanently off " position.
Front and rear map reading
lamps
 With the ignition on, press the corresponding switch.
Take care not to put anything in contact with the cour tesy lamps.

Interior welcome lighting The remote switching on of the passenger compar tment lighting makes your entry into the vehicle easier in poor light. It is activated depending on the light intensity detected by the sunshine sensor.
Switching on
The interior welcome lighting switches off automatically after a set time or when one of
the doors is opened.
This comes on automatically when the boot is opened and switches off automatically when the boot is closed.
Boot lamp
The lighting time varies according to the circumstances: - when the ignition is off, approximately ten minutes, - in energy economy mode, approximately thir ty seconds, - when the engine is running, no limit.
Programming
 Press the open padlock on the remote control.
The side spotlamps, the footwell lighting and
the cour tesy lamps come on; your vehicle is also unlocked. The lighting duration is selected via the vehicle configuration menu.
Switching off