Deleting the button assignments

1. Press buttons 1 and 8 simultaneously for approx. five seconds.

2. "OK"

    See also:

    The concept
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    Adjusting the height: manual head restraints
    The height of the outer head restraints can be adjusted. To raise: pull. To lower: press the button, arrow 1, and push the head restraint down. ...

    Treble, bass, balance, and fader
    ▷ "Treble": treble adjustment. ▷ "Bass": depth adjustment. ▷ "Balance": left/right volume distribution. ▷ "Fader": front/rear volume ...