Close the windows and glasssunroof

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

    See also:

    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 with ...

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    General information
    Do not adjust while driving Do not adjust the steering wheel while driving; otherwise, an unexpected movement could result in an accident.◀ ...