See also:

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning Warning of the imminent danger ...

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 ...