See also:

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Switching the warning function on/off
Press the button On: the LED lights up. Off: the LED goes out. The state is stored for the remote control currently in use. ...

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