The U.S. National Highway Traffic Safety Administration (NHTSA) has opened an investigation into Tesla Inc. over potential delays in reporting crashes involving its advanced driver assistance systems (ADAS), including Autopilot and Full Self-Driving (FSD) technologies. The probe focuses on Tesla's failure to promptly notify regulators about accidents linked to its self-driving and driver-assist features, with reports indicating delays of several months or more. Federal auto safety regulators are examining why Tesla has repeatedly violated rules requiring timely crash reporting. This investigation follows multiple filings and public disclosures highlighting the company's slow submission of crash data to authorities. The inquiry underscores growing scrutiny of Tesla's autonomous driving systems and their regulatory compliance. Additionally, there have been recent public discussions contrasting Tesla's camera-based approach to autonomy with competitors' use of LiDAR and radar technologies. Separate from Tesla, the NHTSA is also investigating over 1.4 million Honda vehicles for engine failure and has issued recalls for more than 175,000 vehicles from manufacturers including Mitsubishi, Jeep, and Mercedes-Benz.