When Super Cruise debuted in the Cadillac CT6 in 2017 , it showed there was a responsible way to give drivers a hands-free assistance system. Unlike Tesla , General Motors geofenced the system to only work on restricted-access highways that had been lidar-scanned and HD-mapped ahead of time. What’s more, it added a driver-facing infrared camera to track their gaze and ensure their eyes remain on the road ahead for the system to stay active. After starting out in the Cadillac flagship sedan, GM began adding Super Cruise to more and more of its models, and the system has just passed a billion miles driven (1.6 billion km) across almost 750,000 vehicles in the US and Canada. “And we’re continuing to grow that, both with the new sales and also we have a very high renewal rate,” said Rashed Haq, vice president of autonomous vehicles at GM.…