Question about 2003 GMC Envoy

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Haw to use my tech2to reset security - 2003 GMC Envoy

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Have to scroll thru the options

Pick one area from first screen that comes up & press enter

Then keep going, until you find the area or page you need

I have an old mastertech from vetronics,that is the original, the tech 2 is based off


I just use the scope now & have EASE Software on a notebook,
for the larger screen.

Posted on Dec 01, 2012

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Posted on Jan 02, 2017

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