Close the windows and glasssunroof

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

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    1 Series M in the Market
    The 1 Series M has few direct competitors. With its 2+2 seating and $47,000 starting price, the Audi TTS is in the same ballpark, but its performance trails the 1M's, and you can't get a manual tr ...

    Strength of the driver's and front passenger airbag
    The strength with which the driver's and front passenger airbags are triggered depends on the position of the driver's and front passenger seats. To maintain the accuracy of this function over ...

    Remove attached parts following use
    Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...