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Zoox recalls self-driving cars because they may not detect smoke
Zoox will issue a software update after regulators warned that 105 vehicles may fail to detect heavy smoke near emergency scenes.
On Friday, Amazon-owned Zoox recalled its fleet of 105 autonomous vehicles after one robotaxi failed to detect heavy smoke at an emergency fire scene in Las Vegas on June 20.
During the June 20 incident, the unoccupied Zoox vehicle entered a smoke-filled active fire scene, braked hard, and stopped before a teleoperator successfully reversed it away from danger.
Last week, NHTSA Administrator Jonathan Morrison issued a directive requiring developers to address a "clear pattern" of autonomous vehicles interfering with first responders, including failures to recognize fire, smoke, and traffic cones.
Zoox notified the National Highway Traffic Safety Administration of the recall on July 8, one day before Morrison's letter, and has already shipped a software update to enhance smoke-detection capabilities.
As Zoox expands service, the company is racing to catch up to Alphabet's Waymo, which maintains a fleet of about 4,000 automated vehicles in the country.