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Originally Posted by UCF w00t
Software can only do so much. And how often do they actually update these nav units? How much does it cost to get an update? And are they actually updating the software or just the maps?
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every 3-5 years for a dvd unit and its about 200-300 dollars for the DvD. (for Nissans Nav Units anyway) Just the maps, mainly for new roads. If you don't travel they are useless. But they do improve the coolness factor of getting in one.
I prefer the touch screen of my Prius, but I'm a tech junkie and just love touch screens. If you can't touch it and make it work its already out of date.