briangx470 Posted March 28, 2010 Posted March 28, 2010 Just got the latest nav upgrade disc for our 07 GX470. Inserted into the DVD player in the glove box and nothing happened. Can someone please share how to update the nav system after you have the new disc. Thanks!!
briangx470 Posted March 29, 2010 Author Posted March 29, 2010 Instructions are attached. Many Thanks!!
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