Switching on automatically

With the engine running or the ignition switched on, shift the selector lever into position R.

    See also:

    Radio
    When the same radio source is selected in the front and rear (e.g., FM/AM), the same radio station is played. Operation is the same as for the front radio. ...

    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. ...

    The concept
    HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without requiring brake application, the vehicle moves at slightly more than twice wa ...