See also:

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

Setting the voice dialog
You can set whether the system should use the standard dialog or a shorter version. In the shorter variant of the voice dialog, the announcements from the system are issued in an abbreviated for ...

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...