Opel MOVANO Owner's Manual page 394

CONTROLS BEHIND THE STEERING WHEEL
Buttons
Button A (steering wheel left side)
Upper button
Central button
Lower button
Button B (steering wheel right side)
Upper button
Central button
Lower button
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Interaction
Short press : next radio station search / next preset (according to the "Steering Wheel
Seek Buttons" setting) (Radio source), next song selection (Media source)
Long button press : scan of higher frequencies until released/fast forward of USB track
With each press it scrolls through sources AM, FM, USB
Only the available sources will be selected
Short press : search previous radio station / previous preset (according to the
"Steering Wheel Seek Buttons" setting) (Radio source), select previous song (Media
source)
Long button press : scan of lower frequencies until released/ fast forward of USB track
Increasing volume
Brief button press : single volume increase
Long button press : fast volume increase
Activation/deactivation of Mute function
Decreasing volume
Brief button press : single volume decrease
Long button press : fast volume decrease