The NHTSA has opened an investigation into the Tesla automated driving mode, called Full Self-Driving (FSD) to evaluate the automated driving mode's capabilities in low visibility conditions.

The National Highway Traffic Safety Administration is investigating 2.4 million Tesla vehicles with the Full Self-Driving software following fatal crashes involving reduced visibility.

The US opened a federal investigation into whether Tesla Inc.’s partial-automation system marketed as Full Self-Driving is defective after multiple crashes, one of which resulted in a fatality.Most Read from BloombergA Broken Oil Pipeline Plunges South Sudan’s Capital Into ChaosInside the ‘Utopias’ of Mexico CityOne City’s Plan to Re-Link a Neighborhood That Robert Moses DividedCities Look to AI to Flag Residents’ Trash and Recycling MistakesChicago Should Consider Furloughs,