See also:

Communication
All of the options available to you for mobile communication with family, friends, business partners, and service providers are described in this chapter. ...

Switching the system on/off
Switching off At the lowest fan speed, press the left side of the button on the driver's side. Switching on Press any button. ...

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