The contact owns a 2026 Tesla Model Y. The contact stated while driving using the ADS feature, the vehicle failed to slow down while making a right turn. The contact stated that when the vehicle came to the turn sign, the vehicle failed to yield and continued making the right turn. The contact's vehicle crashed into the rear of the vehicle in front of the contact's vehicle. The contact had to depress the brake pedal to stop the vehicle. No Police Report was filed. No injuries were sustained. The contact later received a warning that the vehicle's cameras needed cleaning. The technician came to the contact's residence and cleaned the cameras. The contact was advised to contact the NHTSA Hotline and report the failure. The manufacturer was made aware of the failure. The failure mileage was unknown.