2010 Toyota 4Runner Owners Manual - Page 484

3-7. Other interior features Garage door opener The garage door opener can be programmed to operate garage doors, gates, entry doors, door locks, home lighting systems, security systems, and other devices. The garage door opener (HomeLink® Universal Transceiver) is manufactured under license from HomeLink®. Programming HomeLink® (for U.S. owners) The HomeLink® compatible transceiver in your vehicle has 3 buttons which can be programmed to operate 3 different devices. Refer to the programming method below appropriate for the device. Indicator light Buttons CTH37AS044 462