See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without the brakes being applied, the vehicle moves at slightly more than twice walki ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. The PDC is shown on the Control Display. Switch on the backup camera via the iDrive. ...

Tilting the glass sunroof
Push switch upward briefly. ▷ Closed roof is tilted open. ▷ The opened roof closes until it is in its tilted position. The sliding visor stays completely open. ...