ok I have a 2013 5.7 tradesmen with a ra2 5.0 radio that I swapped for the uconnect 8.4 vp2 DT sxm (non Nav) Apple CarPlay. Absolutely plug and play and looks great but I have no volume control (it’s stuck on vol 20) although I have steering wheel controls that I installed two years ago that worked fine up until this installation of the radio. Infotainment had a 299 dollar bezel that I purchased with a volume button. Waiting on that to arrive, but Now the voice control and phone icon on the front of the steering wheel don’t work either but cruise control works... I disconnected the negative battery terminal and still nothing. Took the 8.4 out and put the old 5.0 radio back in and everything worked again.. help ram Guys also looking for the media hub to activate the Apple CarPlay