See also:

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

General information
The sound settings are stored for the remote control currently in use. ...

The concept
The parked-car ventilation blows air into the passenger compartment to lower interior temperatures. The system can be switched on and off at any external temperature, either directly or by using ...