My wife has a 2012 T & C and turning ON the cruise was intermittent at best. I am an electronics tech, and decided to try spraying some electrical contact cleaner in the air gap around the ON/OFF switch in the steering wheel controls before going to the next level and replacing the switch. After applying the contact cleaner, I then dried it at the same point with a can of compressed air (computer keyboard cleaner). No more issues, cruise switch works every time now.