I don't know if this would help, but after all these years of struggling with getting latches to work, I discovered that if you push on the bay lid near the bottom, the latches open much easier. I have found this really helpful in cold weather.
2004 Tiffin Allegro 27.5 ft. P32 18,000 lb GVW. 8.1 liter. Workhorse chassis built May 2002. 27,500 miles. 2012 Jeep Liberty Toad. RVi2 brake unit.