See also:

Notes on Emergency Requests
Do not use the voice activation system to initiate an Emergency Request. In stressful situations, the voice and vocal pitch can change. This can unnecessarily delay the establishment of a teleph ...

Switching on automatically
Select transmission position R with the engine running. The Top View and PDC images are displayed if the system is switched on via iDrive. ...

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