See also:

Fuel gauge
The vehicle inclination may cause the display to vary. Notes on refueling ...

Around the steering wheel: controls and displays
1. Convertible: opening and closing windows jointly 2. Convertible: opening and closing rear windows 3.Opening and closing front windows 4.Folding exterior mirrors in and out 5.Adjusting exter ...

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. ...