See also:

Loss of the remote controls
Lost remote controls can be blocked by your service center. ...

Indicator/warning lamps
The indicator and warning lamps can light up in a variety of combinations and colors. Several of the lamps are checked for proper functioning and light up temporarily when the engine is starte ...

Volume
▷ "Speed volume": speed-dependent volume control. ▷ "PDC": volume of the PDC signal compared to the entertainment sound output. ▷ "Gong": volume o ...