See also:

Running a function
Press the button. The function will run immediately. This means, for example, that the number is dialed when a phone number is selected. ...

Low tire pressure message
  The yellow warning lamp lights up. A Check Control message is displayed. ► There is a flat tire or a major loss in tire inflation pressure. ► The system was not reset after ...

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. ...