GMC Troubleshooting Questions? Ask a Mechanic for Answers
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sense the stereo is tighed into the security system,you can not unlock this stereo at home as you could older models.
you will need to have the dealer unlock it,,they may charge $50-$100+/- to do this,,
and only takes a few minutes..sorry.
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sense the stereo is tied into the security system,you can not unlock this stereo at home as you could older models.