CITROEN C4 Cactus Handbook & Instructions page 35

"Configuration" menu
The functions available through this menu are detailed in the table below.
Button Corresponding function
Audio settings
Turn off screen
Interactive help
Brightness
Comments
Adjustment of volume, balance...
Turns off the screen display in the touch screen tablet (black screen). Pressing the black
screen restores the display.
Access to the interactive handbook.
Adjustment of the brightness of the instruments and controls.
Monitoring
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