See also:

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. ...

Roller sunblinds for rear side windows
Pull out the roller sunblind at the loop and hook it onto the bracket. Do not open the window while the roller sunblind is raised. Do not open the window while the roller sunblind is raised; ...

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