Close the windows and glass sunroof

Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.

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    Priority options
    The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...

    Rear CD/DVD player
    1 CD/DVD slot 2 Eject CD/DVD 3 On/off, right 4 Headphone connection, right 5 RCA sockets 6 Headphone connection, left 7 On/off, left ...

    Coolant level
    Checking 1. Let the engine cool. 2. Turn the cap of the expansion tank slightly counterclockwise to allow any excess pressure to dissipate, and then open it. 3. The coolant level is correct if ...