See also:

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

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 directly or by using ...

Hands-free system
General information Calls that are being made on the hands-free system can be continued on the mobile phone and vice versa. From the mobile phone to the handsfree system Calls that were begun ou ...