It will give radar technology a more active role in Autopilot — a feature drivers can enable to allow the car to stay within its lane and to keep it from hitting other vehicles. [The technology behind the Tesla crash, explained]More importantly, all Teslas that enable Autopilot will now start using radar to build a three-dimensional map of the world. The map will help Tesla understand what's normal — street signs, highway overpasses and so on — and what's not, such as an unexpected obstacle ahead that requires automatic braking. [Tesla just showed us the future of car crashes]By giving radar a big promotion, the company believes it can help cut down on errors. But, Musk said, the risk of a crash while Autopilot is enabled will never be zero.

Source: Washington Post September 11, 2016 19:04 UTC