CITROEN Grand C4 PICASSO Owner's Handbook Manual page 57

Allows the manual adjustment of the brightness of the instrument panel and touch screen tablet to
suit the ambient light level.
Operates only when the vehicle lighting is on, with the exception of the daytime running lamps.
Two buttons
With the headlamps on, press button B to
increase the brightness of the instruments
and controls and the interior mood lighting or
button A to reduce it.
As soon as the lighting reaches the required
level of brightness, release the button.
Touch screen tablet
Press on the "Configuration" menu.
Adjust the brightness by pressing on
the "+ " or " -" buttons.
Monitoring
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