This is a replacement case and button pad no electronics will be included such as the circuit board or battery. This is designed to be a fix only for broken casing or worn button pads. Simply remove the electronics from your original remote. Install the electronics into the new case. Snap the casing together once the electronics have been installed. Once you have sealed your new case with the electronics inside, test the remote on your vehicle. Please make sure original remote has one of the compatible part number listed