The 2004-2009 Toyota Prius smart key immobilizer 626399-000 OEM is a genuine replacement part specifically designed for the Toyota Prius model. This OEM product ensures a perfect fit and functionality for the smart key system, providing security and convenience for the vehicle. With its high-quality construction and precise engineering, this immobilizer helps to protect the car from unauthorized access while allowing the owner to easily start the vehicle with the smart key.