See also:

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors.◀ ...

Loss of the remote controls
Lost remote controls can be blocked by your service center. ...

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