Because of the specific application and design of this Toyota Camry security system you can count on the security your looking for that will give the protection you expect from a factory system. Installation instructions are available for your new factory Toyota Camry security alarm to take the guess work out of the application process to keep your frustrations out of the puzzle. Because it is a factory accessory you can be sure that the application of this Toyota Camry security system will be right for your vehicle with all the necessary hardware needed for a quality installation. With this genuine factory Toyota Camry alarm system accessory you can be assured of the proper operation so why purchase anything but a factory system that is designed to work with your vehicle..