See also:

Rear doors
Push the locking lever on the rear doors down. The door can now be opened from the outside only. ...

Remove attached partsfollowing use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the 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 ...