See also:

Fuel grade
You should only refuel with unleaded premium-grade gasoline as this avoids damaging the catalytic converter. If engine running problems are apparent, have the cause checked immediately and ...

Showing/hiding the menu
To show: press the COMAND controller. To hide: slide the COMAND controller and confirm Full screen by pressing . ...

Restoring the factory settings
- Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...