GM Enhanced Super Cruise Review: Hands-free driving adds auto lane-change Chris Davies - Feb 9, 2021, 7:00am CST Editors' Rating: 8/10 Automatic lane change works smoothly & naturally GM's human-like driving is relaxingly proficient Availability is finally expanding across GM's portfolio Cons Only works on mapped highways Requires an OnStar subscription after the bundled period This isn't autonomous driving - you're still responsible You can’t buy an autonomous car yet, but you can get some seriously impressive help behind the wheels on the highways. GM’s Enhanced Super Cruise adds automatic lane changing to its hands-off driver assistance, a long-anticipated feature that arrives just as the automaker prepares to nudge the technology into the spotlight. As I discovered in the 2021 Escalade, however, it has a few other new tricks up its sleeve too.