See also:

Long-term vehicle storage
Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

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. ...