Hello..I just picked up a '13 PIU with very low miles. It was used by my local PD. I've been reading a lot of threads on here but I still have some questions. I'm sure I'll have more as I read more threads. Mine doesn't have keyless entry and remote start. Did they all come with keyless entry and start, but it wasn't enabled? If so how do I enable it. I want to get a set of OEM wheels. Do I need a certain size to clear the larger brakes? I keep reading about FORSCAN, it's over my head. What is it? Where does the Aux switch power go? I read that they can be used operate different things. Thanks for your help. I know I have more questions, but I can't think of them now.