See also:

Distance to back of head: electrical head restraints
The head restraint is automatically repositioned when the shoulder support is adjusted. ...

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 ...

Tone control
You can alter various tone settings, e.g. treble and bass or the speed-dependent volume increase. The tone settings are applied to all audio sources. The settings are stored for the remote control ...