If the standard options on the Cadillac XTS or ATS sedan just aren't enough to get you to pull the trigger, perhaps this will. GM and some fellow researchers are road testing Super Cruise self-driving technology in hopes of making those grueling road trips a bit easier on the ol' chauffeur. Capable of auto steering, braking and lane centering on the open road "under certain optimal conditions," the system is meant for highway use in both free-flowing and bumper-to-bumper traffic. Super Cruise implements a mixt
