See also:

Air volume, manual
To be able to manually adjust the air volume, switch off the AUTO program first. Press the left or right side of the button: decrease or increase air volume. The selected air volume is shown ...

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

X3 in the Market
The compact luxury crossover segment has undergone a revolution since the first-generation X3 debuted. Both the Q5 and GLK-Class have become popular sellers, while X3 sales have lagged behind. T ...