See also:

The concept
The backup camera provides assistance in parking and maneuvering backwards. The area behind the vehicle is shown on the Control Display. ...

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

Radio
When the same radio source is selected in the front and rear (e.g., FM/AM), the same radio station is played. Operation is the same as for the front radio. ...