Opel Zafira Tourer Owner's Manual page 22

22 Introduction
Setting bass, middle and treble
Select Bass, Middle or Treble.
Set the desired value for the option
selected.
Setting the volume distribution
between front - rear
Select Fader.
Set the desired value.
Setting the volume distribution
between right - left
Select Balance.
Set the desired value.
Setting an individual setting to "0"
or "Off"
Select the desired option and press
and hold the multifunction knob for
a few seconds.
Setting all settings to "0" or "Off"
Press and hold the TONE button for
a few seconds.