Officially, it's a center high-mount stop lamp, or CHMSL, camera, which engineers at an Oct. 20 event at Fiat Chrysler Automobiles' Chelsea Proving Grounds tended to pronounce as a word, "chimsel." A few execs jokingly referred to it as "the marriage saver cam."

Why's that? If you've got a 5th wheel installed on your pickup, the CHMSL camera provides a supplemental view of the bed to make things like backing up to a gooseneck trailer less of a hassle. Fleet Owner got in for a closer look at this $325 option for 2016 2500 and 3500 pickup models. 

Click here to read more about the optional Ram Trucks CHMSL camera.