Here is how to get your 2 free Nav disc upgrades!

[Viet Nam Vette]

Originally Posted by tomp

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

Cool..
I got to the screen where it says.. VIN # And "Control #...??? Then Submit.........

WTF Is the Control #..????

https://www.gmnavdisc.com/subscription.do;jsessionid=1CE7D7CBDEB405DD64B3D73 B3C2B5FEC

[Viet Nam Vette]

Just called the NAV Center. The Chickie says... New Up date coming out end of August 2007 and for me to call back and they'll TCB.

The Control # comes off the post card they send you at your anniversary. So ..can't order it now. But you can get the new one in August..