See also:

Controls
From your Audio system control panel, you can: press the "MENU" button to gain access to the general menu , press the "  " or "  " buttons to scroll ...

Options
Once the "Options" menu has been selected, you can start diagnostics of the status of the equipment (active, not active, faulty). ...

Checks
Unless otherwise indicated, check these components in accordance with the Maintenance and Warranty Guide and according to your engine. Otherwise, have them checked by a CITROËN dealer. Batt ...