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. ...

Service requirements
The remaining driving distance and the date of the next scheduled service are displayed briefly immediately after you start the engine or switch on the ignition. The extent of service work requi ...

Windshield washer nozzles
The washer jets are automatically heated whenever the ignition is switched on. ...