See also:

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 ...

Switch off any functions thatare not currently needed
Functions such as seat heating and the rear window defroster require a lot of energy and consume additional fuel, especially in city and stopand- go traffic. Therefore, switch off these function ...

Coolant temperature
A warning lamp will come on if the coolant, and therefore the engine, becomes too hot. In addition, a message will appear on the Control Display. Check the coolant level ...