Axxess GMOS-09 - Volume Adjustments; Chime Volume Adjustment; Audio Level Adjustment; OnStar Level Adjustment

GMOS-09
Chime Volume Adjustment
Note: If Y91 is present on the RPO list, refer to
your owner’s manual to adjust chimes.
1) Withcaron,shutoffcarandleavekeys
inignition.Openthecardoorandleaveit
open.Chimeswillbeheard.
2) Wait10seconds,thenwithasmall
screwdriveradjustthepotentiometer
fullycounterclockwise(allthewayleft),
thenclockwisetoraisechimeleveland
counterclockwisetolowerthechimelevel.
3) Whenthevolumeisatthedesiredlevel,
removethekeysfromtheignition.Thiswill
lockthechimevolumeatitscurrentlevel.
Audio Level Adjustment
1) Startyourvehicleandturnontheradiohavingaudioplaying.
2) Turnyouraftermarketradio’svolumeup¾oftheway.
3) Withasmallscrewdriveradjustthepotentiometerclockwisetoraisetheaudioleveland
counterclockwisetolowertheaudiolevel.
4) Onceatdesiredlevelyouraudioadjustmentiscomplete.
OnStar Level Adjustment
ToadjusttheOnStarvolumelevelfindtheBlack/Yellowwireonthe16-pinharness.Push
theblueOnStarbutton,whilethevoiceisspeakingtaptheBlack/Yellowwiretoground.
Thereare4volumesettingsforOnStar;oncethe4thsettingisreachedandtheBlack/
Yellowwireistappedtogrounditwillautomaticallygobacktothefirstvolumesetting.
OncethevolumeissetitwillstayatthatvolumeuntiltheBlack/Yellowwireistappedto
ground
again.Thiscanbesetduringinstallationandthenleftalone.Ifuseradjustmentis
desired,thecustomermayalsotapvolumeupordownonthesteeringwheel(ifequipped)
toadjusttheOnStarlevel.
Potentiometer located on the 16 pin side
of the interface
AXXESS ACCESSORIES
STEREOS