So I called Firestone about fixing the door, and the guy that originally helped me with that answered. I explained what was happening, and he remembered fixing it before, saying I was the one that needed the new timing belt but he couldn't do it right away for me. That happened in February, and him fixing the door was at least a year ago. Guy has a mind like a steel trap. But at least he says he can fix it up, and show me what he's doing this time, in case it happens again. My day just perked up a bit.