This footage from the dash cam of a Tesla shows how the cars autopilot function predicts a car accident moment before it happens.
The clip was uploaded by Hans Noordsij to his Twitter feed. The collision warning on the Tesla beeps and the emergency brakes kick in and within seconds the vehicle in the front hits the rear end of an SUV and flips.
Here is the footage from Twitter
Tesla had announced in September that their autopilot upgrade would rely heavily on this feature. The update was pushed out to its first generation autopilot hardware.