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2010 CTS4 upgrade to factory NAV

652 Views 12 Replies 5 Participants Last post by  tinman
I have a 2010 Cadillac CTS 4 was just curious am I able to pull out a GPS dash unit and put it in my car my car currently does not have the GPS pop up screen
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Galaxy Tab is larger than original scream and Google Maps (or Wave) is up to the minute (warns me of traffic jams). CTS has an AUX in jack. What more do you need ?
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