Mike's Workshop Manuals
: Service manuals for every vehicle
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Cadillac
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2007
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DTS 4.6 9
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Diagnostic Information and Procedures
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OnStar Button LED Inoperative
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Circuit/System Verification
Circuit/System Verification
Ignition ON, verify that the OnStar® status LED does not turn green.
If the red or green LED indicators do not illuminate, go to Circuit/System Testing.