See also:

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

The concept
The active steering actively varies the steering angle of the front wheels in relation to the steering wheel movements. In addition, it also varies the steering force required for steering depen ...

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 ...