See also:

Switching the system on/off
Switching off At the lowest fan speed, press the left side of the button on the driver's side. Switching on Press any button. ...

Fuel quality
Fuels that are marked on the gas pump as containing metal must not be used. Refuel only with unleaded gasoline without metallic additives. Do not refuel with any leaded gasoline or gasoline ...

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