See also:

Switching on/off manually
Switching on/off manually Press the button. ...

Switching on/off directly
1. "Settings" 2. "Climate" 3. "Activate parked-car vent." The symbol on the automatic climate control flashes if the system is switched on. ...

Controls
1 Change entertainment sources 2 Volume, on/off 3 Programmable memory buttons or radio station buttons 4 Change station/track 5 Eject CD/DVD 6 CD/DVD drive 7 Change wave band ...