See also:

Parked-car ventilation
The concept The parked-car ventilation ventilates the vehicle interior and lowers its temperature, if necessary. The system can be switched on and off at any external temperature, either directl ...

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

Interior rearview mirror
Reducing the blinding effect Reducing the blinding effect From behind when driving at night: turn the knob. ...