See also:

Camera
Camera The lens of the rear view camera is under the grasping lip of the tailgate. The presence of dirt can impair image quality. Clean the lens with a moist, nonabrasive cloth. ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

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. ...