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. ...

Opening
The tailgate pivots back and up when it opens. Ensure that adequate clearance is available before opening. Provide edge protection Sharp or angular objects can hit the rear window while drivin ...

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...