See also:

The concept
▷ The voice activation system can be used to operate functions by means of spoken commands. The system prompts you to make your entries. ▷ Functions that can only be used when the v ...

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

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...