See also:

Adjusting the side extensions
Fold the side extensions on the head restraint forward for increased lateral support in the resting position. ...

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. ...

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...