See also:

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning Warning of the imminent danger ...

Displays in the instrument cluster
The transmission position is displayed, e.g.: P. ...

The concept
The parking brake is used to prevent the vehicle from rolling when it is parked. Engine switched off: the parking brake acts on the rear wheels. Engine running: the parking brake acts on ...