Protestors place a traffic cone on the hood of the vehicle, which triggers the car’s sensors. (Picture: Tiktok)A group of activists in San Francisco have been disabling driverless taxis by placing traffic cones on their hoods. They place a traffic cone on the vehicle’s hood, which triggers the car’s sensors to think there is an obstacle. https://t.co/68bCc1Iliu pic.twitter.com/bVJpqVL0Ns — ConeSF â Week of Cone (@SafeStreetRebel) July 5, 2023Complaints against driverless taxis include impeding traffic, public transit and emergency responders. There have been instances of driverless taxis blocking traffic for several hours, causing major inconvenience.