The contact owns a 2024 Kia Niro. The contact stated that while driving in slow traffic, the vehicle accelerated unintentionally and crashed into the rear of another vehicle. The contact stated that while reversing, the failure recurred and the rear end of the vehicle crashed into the front end of another vehicle. The air bags did not deploy. There was no warning light illuminated. None of the vehicle's occupants sustained injuries. No police report was filed. The contact drove to a nearby safe location, and the vehicle was towed to the dealer. The insurance company then towed the vehicle to a tow lot and inspected the vehicle. The vehicle was then towed to the dealer to be diagnosed. The manufacturer was notified of the failure, and a case was filed. The manufacturer informed that the contact engineers would be sent to diagnose the vehicle. The vehicle was not diagnosed or repaired. The failure mileage was approximately 13,000.