See also:

Brake force display
The concept ► During normal brake application, the outer brake lamps light up. ► During heavy brake application, the inner brake lamps light up in addition. ...

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

Switching DVD system on/off
Press the button on the CD-/DVD player or under the desired screen. The DVD system switches on automatically when a CD or DVD is inserted. ...