See also:

HDC Hill Descent Control
The concept HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without applying the brakes, the vehicle moves at slightly more than walking ...

Front
Active seat ventilation 1. Seat heating 2. Active seat ventilation Press button 1 or 2 once depending on the temperature or ventilation position. The LED in the respective button lights up. ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...