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The U.S. National Highway Traffic Safety Administration (NHTSA) has opened a new investigation into 2.88 million Tesla vehicles running "Full Self-Driving" (FSD). Officials say the system may be breaking traffic laws, and worse, causing accidents. According to Reuters, 58 reports describe Teslas blowing through red lights, drifting into the wrong lanes and even crashing at intersections. Fourteen of those cases involved actual crashes, and 23 caused injuries.

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In one striking pattern, six Tesla vehicles reportedly ran red lights before colliding with other cars. One driver in Houston complained that FSD "is not recognizing traffic signals," saying the car stopped at green lights but ran through reds. The driver even said Tesla saw the issue firsthand during a test drive, but refused to fix it. The agency is also reviewing new reports that some Teslas using FSD failed to handle railroad crossings safely, with one case involving a near-collision with an oncoming train.

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This is far from Tesla's first brush with regulators. The company is already facing several investigations tied to both its Autopilot and FSD systems. In one high-profile case, a California jury ordered Tesla to pay $329 million after an Autopilot-related crash killed a woman. Another investigation is looking into Tesla's limited Robotaxi service in Austin, Texas, where passengers reported erratic driving and speeding -- even with human safety drivers onboard. Meanwhile, Tesla is still fighting a false advertising lawsuit from California's DMV. Regulators say calling the software "Full Self-Driving" is misleading since it requires constant driver supervision. Tesla recently changed the name to "Full Self-Driving (Supervised)" to reflect that reality.

Tesla's latest FSD software update arrived just days before the investigation began. But the NHTSA says the system has already "induced vehicle behavior that violated traffic safety laws." This investigation, now in its early stages, could lead to a recall if the agency finds Tesla's self-driving software poses a safety risk.

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If you drive a Tesla with FSD enabled, stay alert. The system isn't fully autonomous, no matter what the name suggests. You should:

For everyone else, this investigation is a reminder that "self-driving" still means supervised driving.

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Tesla's dream of a fully autonomous future keeps hitting speed bumps. With safety regulators circling and lawsuits piling up, the company's next moves will shape public trust in AI-driven transportation. Still, the push toward automation isn't slowing down; it's just under heavier watch.

How much control would you give an AI behind the wheel? Let us know by writing to us at Cyberguy.com.

Tesla's self-driving cars under fire again