The electric door locking/unlocking system, in the passenger door, is sporadically working on my 2002 bird. I can unlock the door using the inside handle and it always locks using the electric system. However, most of the time it will not fully unlock using the electric system. The manual button nest to the window appears to move some but will not come up all of the way.Has anyone had this experience? Anyone know what I need to do to fix this?