Black panel
System allowing certain displays to be switched off for night driving.

The instrument panel remains lit with the vehicle speed and cruise control or speed limiter information, if in use.
If there is an alert or a change in a function or to a setting, the black panel mode is interrupted.
Activation
- With the lighting on, press the left hand button of the instrument panel several times to progressively reduce the dashboard lighting level.
- Press the button again to reduce the lighting to the minimum level and switch off the ambience lighting.
- Press the button again to activate the black panel.
The dashboard lighting rheostat remains operational when in black panel mode.
See also:
Putting the wheel back in place
Put the wheel back in its housing.
Unscrew the yellow central bolt by a
few turns then put it in place in the
centre of the wheel.
Tighten fully until the central bolt
clicks to retain th ...
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 ...
HiFi system
The Hi-Fi system, custom built for your cabin, is made up of:
A high power DSP (Digital Signal Processing) digital amplifier.
A subwoofer bass box (30 Hz - 100 Hz).
8 specific loudspeakers.
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