Garmin’s Smart Glide technology, a safety tool that helps pilots in loss of engine power emergencies by automating tasks to reduce pilot workload, is now available as a free software update for the G3X Touch and G5 electronic flight instrument in certified aircraft equipped with a GTN Xi series navigator. Experimental aircraft with G3X Touch and a G3X autopilot can also enable Smart Glide technology.
Source: general aviationGarmin Smart Glide now available for G3X and G5