07-05-2007, 04:45 PM
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Hummer Authority
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Join Date: Sep 2005
Location: Texas
Posts: 1,795
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Here is how to get your 2 free Nav disc upgrades!
Notice on your window sticker that it states you get two free Nav dick updates, if your Hummer has Nav in it from the factory? Here is where to get them: https://www.gmnavdisc.com/overview.do;jsessionid=1CE7D7CBDEB405DD64B3D73B3C2 B5FEC |