Yeh I had coupe loaner and instantly noticed the difference, GM changed the programming with the steering system.
http://media.cadillac.com/media/us/...Pages/news/us/en/2014/Jul/0701-ats-coupe.html
http://media.cadillac.com/media/us/...Pages/news/us/en/2014/Jul/0701-ats-coupe.html