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:
Overview
With attractive, sculpted lines; impressive build quality; and an array of
original upmarket features and functions, the new Citroën C4 is a perfect
balance of confidence-inspiring styling an ...
General menu
Press the "MENU" button to gain
access to the general menu , then
press the " " or " " buttons to
scroll through the various menus:
- radio-CD,
- ...
"Personalisation-Configuration" menu
Once this menu has been selected, you
can gain access to the following functions:
- defi ne the vehicle parameters,
- display confi guration,
- selection of the language. ...






