Not necessarily radar, these days. My car (2023 Civic) does it entirely with the camera at the top of the windshield. Very well, too, in the daytime (it can g

Not necessarily radar, these days. My car (2023 Civic) does it entirely with the camera at the top of the windshield. Very well, too, in the daytime (it can get confused and brake spuriously in oncoming headlight glare at night).