Opel CD 70 Manual page 89

■ When switched on, the
Infotainment system starts with the
maximum volume for switch-on if
that volume is below the volume
last selected.
External In
Use this function to adjust the volume
of external audio sources such as
a mobile phone.
Select menu item External In.
Turn the multifunction knob until the
desired value is set.
Press the multifunction knob.
Introduction 87