GMC Envoy Spare Tire Lowering Problem

GMC Envoy Spare Tire when you go to lower your spare tire on an Envoy and some similar vehicles... and it doesn't come down...? it comes down a few inches and stops..? there's a safety latch that just doesn't work after a few years and it creates this problem... watch this video and more to learn how to work this out before you need it on the side of the road some cold night..!!!