What is involved with this install? I have a LT with the basic CD player w/ Nav. Non-bose and I don't have the rear DVD. Is there a model that will work with my truck? Basically looking for something I can plug and play, then go to the dealer and get reflashed?

What model numbers will work?

What wiring is there and what would need to be added? I think I've heard that a VSS wire may need to be added.

Anything you can tell me would be great.