Waymo recalls nearly 3,800 robotaxis over flooded-road software flaw

Waymo, a subsidiary of Alphabet, operates one of the largest commercial autonomous ride-hail fleets in the United States, with active deployments in cities including San Francisco, Phoenix, and Austin. Autonomous vehicle recalls are processed through the National Highway Traffic Safety Administration under the same federal framework applied to conventional automakers, requiring manufacturers to notify the agency and provide a remedy when a defect poses an unreasonable safety risk. Over-the-air software recalls have become increasingly common across both autonomous and conventional electric vehicle platforms, allowing manufacturers to resolve software-based defects remotely and quickly. This recall marks a notable instance of a weather-related edge case - specifically flood detection - emerging as a formal safety issue within a commercial robotaxi operation.