U.S. Auto Regulator Opens Tesla Crash Probe in Utah With Driver Claiming Autopilot Use

Marks the third, active U.S. safety investigation involving a crash where car maker’s driver-assistance system was said to be in use

U.S. safety investigators on Wednesday opened the third active investigation of a Tesla Inc. vehicle that crashed while the driver-assistance system Autopilot was said to be in use.

The National Highway Traffic Safety Administration said it will investigate a crash that occurred last Friday in South Jordan, Utah, where a Model S sedan driving about 60 miles an hour rammed into the back of a fire department truck stopped at a red light. The 28-year-old driver, who sustained a broken ankle, said Autopilot was engaged and that...