See also:

Range of the sensors
General notes The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them. Side view ...

Restoring the factory settings
► Press the buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

Operating video DVD
► Switch on COMAND and select video DVD (see the separate operating instructions). ► Press the button on the steering wheel to select the Audio menu. DVD changer display (example) ...