See also:

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

Manual air distribution
The air distribution can be adjusted to individual needs. Press the button repeatedly to select a program: Upper body region. Upper body region and footwell. Footwell. ...

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...