Close the windows and glass sunroof

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

    See also:

    Engine oil temperature
    Cold engine: the pointer is at the low temperature end. Drive at moderate engine and vehicle speeds. Normal operating temperature: the pointer is in the middle or in the left hal ...

    Steering wheel
    Adjustments Do not adjust the steering wheel position while the car is in motion; otherwise, there is a risk of an accident due to unexpected movement. 1.  Fold the lever down. 2.  M ...

    What Li Gets You
    I'm not sure who will be shopping for a long-wheelbase 7 Series. Overseas, they're the executive car of choice, allowing busy CEOs a space to decompress between board meetings. Perhaps there are e ...