2014 Mazda CX-5 Grand Touring AWD Long-Term Road Test
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Edmunds.com
Member, Administrator, Moderator Posts: 10,316
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The Mazda nav system is by TomTom and is SD card based. Open the access door on the dash, pop out the card and update it on your PC. Updates are free... sort of. TomTom has MapShare, which I gather is some sort of open-source-like community author