Close the windows and glasssunroof

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

    See also:

    System limits
    Personal responsibility The high-beam assistant cannot serve as a substitute for the driver's personal judgment of when to use the high beams. Therefore, manually switch off the high beams in ...

    Vehicle equipment
    All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not available in a vehicle, e ...

    External temperature
    External temperature warning If the display drops to +37 ℉/ +3 ℃, a signal sounds. A Check Control message is displayed. There is the increased danger of ice. Ice on roads Even ...