Closing

clockwise. The fuel filler cap audibly Replace the fuel filler cap and turn it clockwise. The fuel filler cap audibly engages.

If you drive with the fuel filler cap open, Close the fuel filler flap.

the reserve fuel warning lamp flashes. In If you drive with the fuel filler cap open, the reserve fuel warning lamp flashes. In addition, the ; 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.

vehicle. A locking pin otherwise prevents 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:

    Warning and indicator lamps
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    Deactivating DISTRONIC PLUS
    WARNING The DISTRONIC PLUS switches off and releases the brakes when the vehicle decelerates below the minimum speed of 20 mph (30 km/h) by operation of the system unless the DISTRONIC PLUS ...

    Problems with the rear window defroster
    The rear window defroster has deactivated itself prematurely or cannot be activated. •► Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the ...