See also:

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 ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Telephone
...