See also:

Activating HDC
Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

Activating HDC
Press the button; the LED above the button lights up. ...

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 ...