See also:

The concept
This system can be used to select a desired speed that the vehicle will maintain automatically on clear roads. To the extent possible, the system automatically adjusts the speed to a slower veh ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

System limits
Check the traffic situation as well PDC cannot serve as a substitute for the driver's personal judgment of the traffic situation. Check the traffic situation around the vehicle with your own ...