See also:

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

Putting into operation after a power failure
Putting the parking brake into operation The parking brake should only be put into operation again if it was manually released due to an interruption in the supply of electrical power. Otherw ...