See also:

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Buckling the belt
Buckling the belt Make sure you hear the latch plate engage in the belt buckle. ...

The concept
The Active Protection safety package consists of systems that are independent of each other: ▷ PreCrash ▷ PostCrash ...