One of Tesla's biggest critics is funding a Super Bowl ad against it

Tesla has released the latest version of its Full Self-Driving tech -- which allows the car to maneuver city and residential streets without human input -- to around 400,000 people in North America, quadrupling the number of people using it during much of 2022. That has renewed questions about the tech's safety. Government investigators are looking into whether Tesla's driver-assistance features caused crashes. And in January, a report emerged that a former Tesla engineer had testified that a 2016 demo of in which the company claimed one of its cars was driving itself was actually staged.