HomeAll RepliesRe: Ford ATLAS concept vs. the new Silv/Sierra Re: Ford ATLAS concept vs. the new Silv/Sierra Sponsored January 18, 2013 at 1:22 pm #40981 LexParticipant I wonder how the “self back up to trailer” works, is some kind of sensor needs to be installed on a trailer? Or the truck actually recognize a trailer (which I doubt)? Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored