Adaptive cruise would be a no-go but adding carplay Android auto is not hard at all. You could do it with the OBD genie. That's about $100 plus a used HMI off eBay then it's pretty much plug and Play. That's about the cheapest route to go to add it, wouldn't be 100% perfectly synced to the vehicle but it will work. How much it syncs depends on the vehicle the hmi came out of idealy you want one from the same make/model just a later year like 2016Also be aware that with a 2015 you are missing some features the later trucks have. Like wireless charging, CarPlay, and adaptive cruise. Maybe some more?
If I knew what I do now I would have gotten a later model year than the 2015 I have. I added the wireless charging but the CarPlay and adaptive cruise aren’t cheap/easy to add. Just FYI.
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