See also:

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, ...

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. ...

Swapping the telephone and additional telephone
The function of the telephone and additional telephone can be swapped automatically. 1. "Telephone" 2. "Bluetooth® (phone)" 3. "Swap phone/addit. phone" ...