See also:

Knee airbag
The knee airbag supports the legs in a frontal impact. ...

BMW EfficientDynamics: More power, less fuel consumption
With high-performance engines, superior suspension technology and an extremely torsion-resistant body, the new BMW 3-Series is building on its position as the sportiest sedan in its segment. It is ...

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. It maintains the speed that was set using the control elements on the steering wheel. The system brakes on downhill gradie ...