See also:

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

Rear doors
Push the locking lever on the rear doors down. The door can now be opened from the outside only. ...

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