hatch

Hello, I have a 2015 Buick encore that has a back hatch that will not open all the time. All the doors will open when I hit the remote to open everything, but the hatch does not. Is there an easy fix for this or another way to open the hatch? Thanks

I live in Florida and we've been getting a lot of rain this summer. I recently noticed that with all of this rain, my hatch on the back of my 2006 Rendezvous has been filling up with water making it excessively heavy. Do y'all know of any way to either get the water to leak out or what to...