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, ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...

Safety switch
With the safety switch, the rear windows are prevented from being opened or closed via the switches in the rear passenger area, such as by children. Press the button. The LED lights up if the ...