Lighting Dimmer - CITROEN DS4 Owner's Handbook Manual

Lighting dimmer

Permits manual adjustment of the brightness of
the instruments and controls in relation to the
exterior brightness. Only operates when the
vehicle lighting is on in night mode.
Activation
 Press button A to change the brightness of
the instruments and controls.
 When the lighting reaches the minimum
setting, release the button, then press
again to increase it.
or
 When the lighting reaches the maximum
setting, release the button, then press
again to reduce it.
 When the lighting reaches the level of
brightness required, release the button.
This indicator and the lighting
value appear in the middle of the
instrument panel during adjustment
to show the lighting level compared
to the 16 levels available.
You can also modify the level of lighting by
turning the thumb wheel B , located on the left
of the steering wheel:
 upwards; to reduce the level,
 downwards; to increase the level.
Deactivation
When the vehicle lighting is off, or in day mode
(daytime running lamps on), pressing the button
or turning the thumb wheel does not have any
effect.
59
Monitoring