The National Highway Traffic Safety Administration (NHTSA) announced on August 23, 2021, the initiation of a formal safety investigation into Tesla’s Autopilot driver-assistance system. This regulatory action follows a string of incidents involving Tesla vehicles colliding with emergency response units.
The probe encompasses approximately 765,000 Tesla vehicles manufactured since 2014 that are equipped with Autopilot. NHTSA identified 11 crashes occurring since January 2018 where Tesla models struck at least one vehicle engaged in emergency operations, such as scenes marked by police lights, flares, or road cones. According to the agency, the majority of these accidents happened after dark, and emergency vehicle lights, flares, or road cones were present at most scenes.
Across the 11 incidents, NHTSA reported 17 injured individuals and one fatality. This includes a December 2019 crash in Indiana where a Tesla Model 3 struck a parked firetruck, resulting in a passenger’s death. Of the total crashes, four occurred in 2021 alone. All vehicles involved were confirmed to have been operating with Autopilot or Traffic-Aware Cruise Control engaged at the time of the collisions, based on reports submitted to regulators.
This investigation follows a similar NHTSA inquiry from 2017, which concluded without any enforcement action against Tesla. Critics now argue that the company failed to address safety concerns during that earlier period, pointing to the Autopilot system’s inability to ensure adequate safety during driving tasks and its allowance for drivers to remove their hands from the steering wheel for extended periods without sufficient oversight.
NHTSA reported that Autopilot was active in at least three fatal Tesla crashes in the U.S. since 2016. The current probe will examine innovations used to monitor, assist, and enforce driver engagement when Autopilot is active. These measures are considered critical for preventing collisions with stationary emergency vehicles that may be obscured by lighting conditions or lack clear visibility markers.
The regulatory body has the authority to either take no further action or demand a recall of affected vehicles. A mandated recall would impose immediate limits on how, when, and where Autopilot operates. The two-step investigation process typically takes at least a year to complete. The agency must first upgrade its investigation into an engineering analysis before it can demand a recall, ensuring conclusions are based on comprehensive technical evaluation.
Tesla did not immediately respond to a request for comment following the probe’s announcement. Tesla CEO Elon Musk has publicly defended Autopilot, tweeting in April 2021 that Tesla vehicles have a ten times lower chance of getting into an accident than an average vehicle. This claim remains contested by safety regulators, who cite crash data as evidence of systemic issues. Musk also announced in July 2021 a new camera-only system called Tesla Vision, stating it would capture turn signals, hazards, ambulance or police lights, and hand gestures. The regulatory body will likely require Tesla to demonstrate how this system can reliably detect and respond to emergency vehicles under various lighting conditions.
The outcome of this investigation could have broader implications for the automotive industry. If Tesla is forced to implement significant limitations on Autopilot, it might alter the competitive field of advanced driver-assistance technologies, potentially requiring other manufacturers to adjust their systems to meet new safety standards. The case highlights ongoing challenges in developing autonomous driving technologies that can safely navigate complex real-world scenarios involving emergency responders.
