See also:

Head airbags
In a lateral impact, the head airbag supports the head. ...

Active Cruise Control with Stop & Go function
Active Cruise Control with Stop & Go function - or ACC Stop&Go for short - not only maintains the desired distance to the vehicle in front, in heavy traffic it also slows the car to a stan ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...