The problem is folk may expect it to work every time. I'm more than happy that my car may hit the brakes before impact.
Although self-driving cars are not common on the roads just yet, some of their parent features are already available on contemporary cars—and can save drivers from getting into car accidents. Those crash-avoidance systems can let a car “see” other vehicles or pedestrians well before they are in your line of sight, anticipate some types of collisions. Has anyone driven a vehicle equipped with one of these mechanisms? If yes, what is your impression of these safety devices? Do they work?