98 gs 400 navigation
You have to purchase a NAV update harddrive from your local dealer.. they will order you a new (updated) harddrive, then you will install it (in the truck on the right hand side), and then you return your old harddrive. done..
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bigfisch
GS - 2nd Gen (1998-2005)
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Feb 11, 2009 12:47 AM










