They then returned and were charged by officials The Tesla driver was operating in autopilot mode when they hit the motorcyclistA motorcyclist was killed after being hit by two different cars in Travis County. An SUV hit the rider and initially left the scene. Also, it was determined the motorcyclist was hit by a second car, a Tesla which was operating in autopilot mode. The Tesla driver said the car didn't detect the rider on the road. The motorcyclist died at the scene, DPS said.