In a press release on Tuesday, Zoox said there was only minor damage to both vehicles and no injuries were reported. Zoox shared how the incident played out in the voluntary safety recall report it sent to the National Highway Traffic Safety Administration (NHTSA) on May 1st: The incident involved a passenger car quickly approaching the lane where our purpose-built robotaxi was traveling.

Amazon's ( NASDAQ: AMZN) self-driving unit Zoox ( ZOOX) has issued a voluntary software recall across 270 vehicles, even as the company is preparing to scale up production of its robotaxis.

Zoox, the autonomous vehicle company owned by Amazon, paused its driverless testing program for more than a week and issued a voluntary recall of its