Simply plug the Wireless CarPlay® adapter into your vehicles USB port for iPhone and instantly upgrade your infotainment system into a wireless CarPlay. Automatic Connectivity With the Wireless CarPlay® adapter you do not need to take out your phone, once paired, the device will reconnect automatically your iPhone with the infotainment system every time you enter your vehicle. Nov 17, 2015 · I also have a 2017 GMC Acadia, same issue as you, and the dealership mentioned a software issue between Apple CarPlay and GMC where CarPlay stops working after being used after "x" amount of times (I think 1,124 or something random like that).