The US is investigator [UNKNOWN] after a fatal crash.
A person name [UNKNOWN] was killed in a car crash while the Tesla was engaged in autopilot mode.
The National Highway Traffic Safety Administration is looking into the matter.
Autopilot mode on a Tesla is a set of features that let the car automatically speed up or slow down based on the speed limit and traffic.
Autopilot also can control steering in some situations.
The feature is not automatically enabled when someone purchases a Tesla vehicle.
Instead, the driver must activate it.
Tesla offers several warnings to the driver such as you need to maintain control and responsibility for your vehicle.
Tesla provided details about the crash.
The Model S was on the divided highway with Autopilot engaged.
A tractor trailer drove across the highway perpendicular to the Tesla Autopilot and the driver did not notice the white side of the tractor with a bright sky behind it.
The Model S passed under the trailer.
Tesla says this is the first known fatality in over 130 million miles when autopilot mode was The company says in the US every 94 million miles there's a fatality among all vehicles.
The US investigation does not mean Tesla or autopilot is at fault.
However this should have an impact on autonomous cars in general.
That's it for this tech news update.
I'm [UNKNOWN] and you can keep up with the hottest tech news at cnet.com/update.