Closing

turn it Replace the fuel filler cap and turn it clockwise. The fuel filler cap audibly engages.
If you drive with the fuel Close the fuel filler flap.

filler cap open, If you drive with the fuel filler cap open, reserve fuel warning lamp addition, the  Check Engine warning flashes. In addition, the lamp may light up. A message appears in Check Engine warning lamp may light up. A message appears in the multifunction display.
For further information on warning and indicator lamps in the instrument cluster, see.

before locking the Close the fuel filler flap before locking the vehicle. A locking pin otherwise prevents the fuel filler flap from closing after the vehicle has been locked.

    See also:

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

    Activating the rear view camera
    Make sure that the SmartKey is in position 2 in the ignition lock. Engage reverse gear. The area behind the vehicle is shown in the COMAND display with guide lines. ...

    Fogged up or dirty windshield
    If the windshield in front of the camera is fogged up or dirty on the inside or outside, the Night View Assist Plus display is affected. WARNING Please do not forget that your primary respons ...