Tesla working on Autopilot radar changes after crash

In the May 7 crash that killed Joshua D. Brown, 40, of Canton, Ohio, cameras in his Tesla Model S failed to distinguish the white side of a turning tractor-trailer from a brightly lit sky, and the car didn’t automatically. (File Photo)
Tesla Motors is working on modifications to its Autopilot system after it failed to stop for a tractor-trailer rig in a Florida crash that killed the driver of a Model S sedan.
CEO Elon Musk, in a Twitter post Thursday night, said Tesla is working on improv