2-button: 5 pieces 3-button: 5 pieces One-sided power sliding door Operation confirmed. This is a used item, so there are scratches and dirt. No claims accepted. How about for a spare key? Please prepare the battery. We also have smart keys and other items for sale. We welcome bulk purchases. Please read the profile before purchasing, and please purchase after understanding. * Please replace the battery and initialize it yourself. * Regarding the keyless setting, we do not know, so please do it yourself. * This is a registered smart key, so please check the internet or contact a dealer for settings.