See also:

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

Displaying overview
1. Select the subdirectory if necessary. 2. Select "Overview". Select "Overview" 3. Press the button. It may take some time until the overview is completely displayed. ...

Navigation system
General informationThe navigation system can determine the precise position of the vehicle, with the aid of satellites and vehicle sensors, and can reliably guide you to every entered destination. ...