See also:

Displaying the button assignment
Use a finger to touch the buttons. Do not wear gloves or use objects. The key assignment is displayed at the top edge of the screen. ▷ To display short information: touch the button. ...

Vehicle information
Owner's Manual Computer Vehicle ...

Rear CD/DVD player
1 CD/DVD slot 2 Eject CD/DVD 3 On/off, right 4 Headphone connection, right 5 RCA sockets 6 Headphone connection, left 7 On/off, left ...