See also:

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 ...

My Info
Starting destination guidance 1. Select the message. 2. "Start guidance" or "Add as another destination" Dialing the number in the message Up to 4 phone numbers can be transm ...

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