See also:

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

Status display
The tire and system status is indicated by the color of the tires. A change in the tire inflation pressure during driving is taken into account. A correction is only necessary if this is indicat ...

Malfunction
A Check Control message is displayed. On the Control Display, the areas in front of and behind the vehicle are shaded. PDC has failed. Have the system checked. To ensure full operability: ...