On June 16, 2026, while operating the "Autopilot" self-driving system, my vehicle autonomously activated the right turn signal to enter a parking space. Subsequently, the vehicle experienced an unexpected acceleration. Despite my immediate application of the brakes, the vehicle collided with a storefront window, resulting in property damage. My insurance provider covered all associated damages, including vehicle repairs. Immediately following the incident, I informed Tesla and requested access to the vehicle's electronic records, which were made available at a Tesla service center. Tesla is currently rescheduling my vehicle, acknowledging the severity of the self-driving system's malfunction. Concurrently, Tesla continues to charge me for the self-driving capability, despite having advised me to refrain from using it until all necessary vehicle tests have been completed. What further actions should I undertake, and how can the National Highway Traffic Safety Administration (NHTSA) provide assistance in this matter? Thank you.