The National Highway Traffic Safety Administration says it has launched an investigation into the safety of Tesla’s Full Self-Driving feature, or FSD, after at least one fatal accident involving a pedestrian.

The National Highway Traffic Safety Administration said it was looking into what Elon Musk’s electric car company called the full self-driving system.

The U.S. automotive safety regulator has opened a new investigation into Tesla's Full Self-Driving (Supervised) software after four reported crashes in low-visibility situations.

Officials are looking into whether self-driving systems in Tesla vehicles are safe in fog, glaring sun or other "reduced roadway visibility conditions," the National Highway Traffic Safety Administration said Friday.

The National Highway Traffic Safety Administration (NHTSA) dealt a potential setback to Tesla’s autonomous ambitions with a new investigation into the company’s full self-driving technology. Buyers that paid at least $93,