See also:

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Lateral ventilation
Thumbwheel for opening and closing the vents continuously, arrow 1. Lever for changing the air flow direction, arrow 2. ...

Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...