See also:

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

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 ...

Switching the interior lamps on and off
Press the button. To switch off permanently: press the button for approx. 3 seconds. To clear this setting: press the button. ...