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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    System limits
    Speed range Best results are achieved when using the system on well-developed roads and highways. The desired speed can be selected between 20 mph/30 km/h to 110 mph/180 km/h. The system can a ...

    Calling up information on the infodisplay
    Press the onboard computer button on the turn signal lever. Information is displayed on the info display of the instrument cluster. ...

    Check the tire inflation pressure regularly
    Check and, if necessary, correct the tire inflation pressure, at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...