I was driving straight on a local street at less than 15 miles per hour using Tesla's full self driving latest software version 14.1.4 when all of a sudden, the car accelerated and veered off to the right and hit another vehicle which was stationary and not moving. I tried to step on the brake prior to collision, but I couldn't stop my car. The collision caused significant body damage on both vehicles. I drive a 2023 Tesla Model Y. The accident took place 2 days after I installed Tesla's latest software update, which full self driving, version 14.