I think there's only a few cars if any in production that use lidar, from my understanding they use an array of radar sensors. Adaptive cruise control is so nice on long drives and in traffic, but I've had them be a bit over sensitive to the car ahead of me braking hard when I'm creeping at 5 mph and suddenly stopping me.

I wonder how well lidar would pick up a big glass storefront, pretty sure radar would detect it fine.