Tesla collisions spark probe of Full Self-Driving system by regulators

• Nevertheless, Tesla has continued to press forward with its self-driving technology. Last week, company CEO Elon Musk unveiled Tesla's long-awaited robotaxi, which includes FSD technology.

The big picture: The preliminary investigation comes after the NHTSA's Office of Defects Investigation (ODI) received four reports of collisions involving Teslas using the cars' FSD technology, per a report from the regulator.

• The crashes occurred after the Teslas encountered "reduced roadway visibility" due to sun glare, fog, or dust, per the report. One of the crashes killed a pedestrian and another involved a reported injury.
• The preliminary investigation will cover 2.4 million Tesla vehicles, including a large share of Teslas currently on the road in the U.S., Reuters reported.

State of play: The probe aims to examine the FSD system's "potential failure to detect and disengage in specific situations where it cannot adequately operate, and the extent to which it can act to reduce risk," a NHTSA spokesperson told Axios.

• The investigation will also ascertain whether any other similar FSD crashes have occurred and whether there are updates or modifications to the FSD system that could impact its performance in reduced visibility conditions.
• Tesla did not immediately respond to Axios' request for comment.

Go deeper: Tesla recalls more than 362,700 cars over self-driving flaws