I want to install Navi and back up camera in my Ram 1500. I found some good deals on ebay/craigslist am am thinking about pulling the trigger. I talked to my local dealer, and gave them the part number for the radio I was thinking about buying (RER). They said that it wouldn't work , as that radio is only good up until a 2011 Ram. I talked to a technician, and he said that as long as it was a high speed bus radio, it would work. My question is, assuming it works, will my factory bluetooth still work AND will my glovebox mounted USB port still work. I've searched the forum and haven't really found the answer. Any help would be appreciated. I want to get this figured out before I drop the cash. Thanks in advance.