The contact owns a 2026 Hyundai Ioniq 9. The contact stated that the second-row seat button caused the seats to fold; however, the button that should have prevented unsafe operation was missing. The contactâs head became lodged between the seat and the vehicle structure, and he sustained head injuries, including prolonged headaches and trauma. No medical attention was provided. There were no warning lights illuminated. The local dealer was not contacted, and the vehicle has not been diagnosed or repaired. The manufacturer was notified, and a case was opened. The failure mileage was approximately 12,000.