CITROËN C4 PICASSO Handbook page 447

Audio and Telematics
First steps
With the engine running, a press
mutes the sound.
With the ignition off, a press turns the
system on.
Volume.
96
Use the buttons either side of or below the
touch screen for access to the menus, then
press the virtual buttons in the touch screen. All
of the touch areas of the screen are white.
Press in the grey zone to go back a level or
confirm.
Press the back arrow to go back a level or
confirm.
The touch screen is of the "capacitive"
type.
To clean the screen, use a soft, non-
abrasive cloth (spectacles cloth) with
no additional product.
Do not use sharp objects on the
screen.
Do not touch the screen with wet
hands.