Kevin, thank you for providing the name of the manufacturer. We have the nav/radio option in our Denali and we love the set up. If I ordered the truck I most likely would not have bought that option, but we bought the "loaded" Denali during a "end of year" clearance sale, at a heck of a price; so the price of the nav/radio doesn't bother me. I was thinking that the GPS might be Garmin or Magellan and I would have gone to them for updates, but now I guess I'll have to deal with GM.
Again, thanks for the information.
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DPAM
2017 GMC Denali diesel, crewcab, 4x4, regular box.
2010 Montana 3150RL- Moving to Montana Package , Hickory Edition Package, wet bolts
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