Hi people!!! I am little new in this truck world, I love my Silverado but I hate no to have all the functionality’s in the radio, I actually have a Silverado 2014 wt but I would like to update my radio, I see in a several pages selling the 7 or 8 inch screen, but I know this is not the only thing I have to change to make it work. I need your help please, what’s is the right way to do it with out change for an aftermarket radio, I can get the modules but anyway I don’t know if this really work. Thxs in advance!!!!