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. ...

Switching on/off
Press the button. ...

Fuel cap
Opening 1. Briefly press the rear edge of the fuel filler flap. 2. Turn the fuel cap counterclockwise. 3. Place the fuel cap in the bracket attached to the fuel filler flap. Closing 1. ...