INSTALLATION INSTRUCTIONS FOR PART GMOS-LAN-09
METRA. The World’s best kits.
™
metraonline.com1-800-221-0932
© COPYRIGHT 2004-2013 METRA ELECTRONICS CORPORATION
REV. 9/11/2014 INSTGMOS-LAN-09
KNOWLEDGE IS POWER
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enrolling in the most recognized and respected
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Log onto www.installerinstitute.com or call
800-354-6782 for more information and take steps
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Metra recommends MECP
certified technicians
IMPORTANT WARNING
Thisproductincludesinstructionsforinstallation
whichmustbecarefullyfollowed.Theinstructionsare
wordedinsuchamannertoassumethattheinstaller
iscapableofcompletingthesetypeofelectronic
installations.Ifyouareunclearastowhatyouare
instructedtodoorbelievethatyoudonotunderstand
theinstructionssoastoproperlyandsafelycomplete
theinstallationyou should consult a technician who
does have this knowledge and understanding.
Failure to follow these instructions carefully and
to install the interface as described could cause
harm to the vehicle or to safety systems on the
vehicle. Interference with certain safety systems
could cause harm to persons as well. If you have
any questions in this regard please call the Help
line or Metra at 1-800-221-0932 for assistance.
Chime Volume Adjustment:
• Withthevehicleon,turnitoffandleavethekeyintheignition.Openthedriver’sdoor;
chimeswillbeheard.
• Wait10seconds,andthenwithasmallscrewdriver,turnthepotentiometerclockwisetoraise
thechimelevel;counterclockwisetolowerthechimelevel.
Note: The potentiometer is located on the side of the interface where the 16-pin harness with
stripped leads is connected to.
• Whenthechimelevelisatadesiredlevel,removethekeyfromtheignition.Thiswilllockthe
chimevolumeatitscurrentlevel.
OnStar Level Adjustment
• PresstheOnStarbuttontoactivateit.
• WhileOnStarisspeaking,presstheVOLUMEUPorVOLUMEDOWNbuttonsonthesteeringwheel
toraiseorlowertheOnStarlevel.
• Ifthevehicledoesnotcomeequippedwithsteeringwheelcontrols,findtheBlack/Yellowwireon
the22-pinharness.
• WhileOnStarisspeaking,taptheBlack/Yellowwiretoground.OncetheOnStarlevelisset,
itwillstayatthatleveluntiltheBlack/Yellowwireistappedtogroundagain.
Adjusting the GMOS-LAN-09