See also:

What to do if...
The current transmission position cannot be displayed? The vehicle is located in an unrecognized region, is in a poor reception area, or the system is currently determining the position. ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...

Cameras
The objectives of the Top View cameras are located at the bottom of the exterior mirror housings. The image quality may be impaired by dirt. Clean the lens ...