Lighting rheostat
System for manual adjustment of the brightness of the instruments and controls in relation to the exterior brightness.

Activation
When the lighting is on:
- press the button to change the brightness of the instruments and controls,
- when the level of brightness required is reached, release the button.
Deactivation
When the lighting is off, or in day mode on vehicles fi tted with daytime running lamps, pressing the button does not have any effect.
See also:
The market
The new Citroën C4 is a desirable addition to the compact 5-door hatchback
segment - an important class in the UK - which includes competitor models such
as the Ford Focus, Vauxhall Astra and ...
Audio settings
On/Off
With the key in Drive position M, press on control A to switch the radio on or
off.
Note:
- If the radio was on the last time you switched off the ignition, it will resume
automatically ...
Exterior
The Xenon dual-function directional headlamps
This function automatically provides you with extra visibility on bends. This
lighting is linked with the angular lighting which maximises the area l ...






