Safety regulators in the United States are investigating a fatal crash involving a Tesla Model S that was using an “Autopilot” feature, Tesla Motors announced in a blog post Thursday.

The company said this is the first time someone has been killed while using Autopilot, which essentially drives the car for you. The crash happened on May 7, The New York Times reported.

“What we know is that the vehicle was on a divided highway with Autopilot engaged when a tractor trailer drove across the highway perpendicular to the Model S,” Tesla wrote. “Neither Autopilot nor the driver noticed the white side of the tractor trailer against a brightly lit sky, so the brake was not applied.”

The company said the crash took place under “extremely rare circumstances,” and that it was fatal because of where the Model S hit the trailer. It added that Autopilot is disabled by default and that a driver must explicitly acknowledge its experimental technology before using it…. see more

source: huffingtonpost