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:
Tire Pressure Monitor TPM
The conceptCheck the inflation pressure in the four installed tires. The system notifies
you if there is a significant loss of pressure in one or more tires.
Functional requirementThe system must h ...
Switching on/off manually
Switching on/off manually
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out. ...
Performance
For 2009, there's just one engine: a 3.0-liter six-cylinder that's good for
260 horsepower. It teams with either a six-speed manual or a six-speed automatic
transmission. All X3s have all-wheel dr ...