door wont open

Are you familiar with the workings inside the door ? If not , take to somebody that is ! It can either be the door lock is stuck or rod fell off the lock , the latch is jammed or the door handle is broken . If it's just the lock you should be able to open it with a slim jim . Does it open from inside ? or not at all ? If it's the door handle try to pop out the button & use a screw driver to push the release inside the door behind the button . You might have to somehow remove the door panel , just enough to see inside .