Everyone these days, from Tesla to Cadillac to Nissan to BMW to Infiniti, has some kind of semiautonomous system that controls the throttle and steers for you on highways. Most of them are exercises in sheer terror. But even if they were good—especially if they were good—they shouldn’t exist anyway.
Source: Gizmodo – Why Adaptive Cruise Control Should Be The Last Driving Aid Before Full Autonomy