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 ...

Button controls
The controls at the steering wheel give you access to certain functions, without you needing to use the radio-CD control panel. ...

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