See also:

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Messages after trip completion
Special messages that are displayed during driving are displayed again after the ignition is switched off. ...

Environmental conditions
Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. Always say commands in the language of the voice activation system. When selecting a radio ...