Closing the windows and glass sunroof/panoramic glass sunroof

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

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    2012 BMW X5 Review
    As a gal who's always been true to crossovers, I've often endured heavy sighs and a tinge of attitude from my husband — Mr. Driving Enthusiast — when I ask that we take my car out and ab ...

    After the ignition is switched off
    When the remote control is removed or the ignition is switched off, the windows can continue to be operated for approx. 1 minute as long as no door is opened. ...

    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 ...