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Reply To: OnStar not working in 2009 Yukon Denali

August 10, 2016 at 11:07 pm #135828
Alex Luft
Keymaster

Hey @ahoward.vt Sorry to hear about this, since these are actually really tough to diagnose.

My first questions would be:
1. Is there a light of any color on the mirror (like red), or is there no light at all?
2. Am I right to assume the Yukon doesn’t have some kind of an extended warranty?

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