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:
Front seats
1. Forwards-backwards adjustment.
2. Height adjustment.
3. Seat back angle adjustment. ...
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 ...
Anti-lock braking system
and electronic brake force
distribution
Linked systems which improve the stability
and manoeuvrability of your vehicle
when braking, in particular on poor or
slippery surfaces.
Activation
The anti-lock braking system comes
into operat ...






