The Cadillac XT6 launched in 2022 and felt like an also-ran in the premium three-row crossover segment. The 2023 Cadillac XT6 returns with new life thanks to a new feature that might just be compelling enough to elevate the XT6 into driveways and onto highways: A hands-free driver-assist system known as Super Cruise. The 2023 Cadillac XT6 checks...