Unless you travel to unknown places frequently, which some folks do, a nav system is just bells and whistles--- kind of like why is an escalade even made as a 4 x 4? bling bling. At the same time, we must reallize that the majority of H2 owners will never take their Hummer off-road, which makes all of it's off-road abilities rather "bling bling" anyway.
gasman
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gasman
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