A demolished Tesla sits in front of three fire trucks, one of which is damaged after an accident, and multiple firefighters working in the backgorund.
The Tesla and damaged fire truck (far right).
  • A Tesla hit a fire truck that was parked and blocking lanes on a California freeway last month.
  • The driver was killed, one passenger was hospitalized, and four firefighters were treated for minor injuries.
  • The NHTSA opened an investigation Wednesday into whether the car was using a driving assistance system.

The National Highway Traffic Safety Administration opened a special crash investigation into an accident that killed a driver and injured a passenger inside a Tesla Model S when the car collided with a parked fire truck last month.