See also:

General information
Danger of burns from hot engine Do not open the cooling system while the engine is hot; otherwise, escaping coolant may cause burns. Suitable additives Only use suitable additives; otherwise, ...

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 ...

Switching off automatically
The system switches off and the LED goes out: After approx. 33 ft/10 m when driving forward. Above approx. 9 mph/15 km/h when driving forward. Switch on the system again if necessary. ...