HomeLink is the most widely used and trusted car-to-home automation system that uses RF and wireless cloud-based transmission to operate gates, garage doors, home lighting, thermostats, locks, security systems, and other compatible home automation devices. Drivers can take ...HomeLink is the most widely used and trusted car-to-home automation system that uses RF and wireless cloud-based transmission to operate gates, garage doors, home lighting, thermostats, locks, security systems, and other compatible home automation devices. Drivers can take advantage of cloud-based wireless communication with the HomeLink Connect app a new home automation app that grants drivers access to an increasing array of cloud-based home automation devices.