I have a 2004 Mazda 6 and the drivers side door will not unlock. I pulled the inside panel off partially and was able to get the door open by manually pulling the cable. I locked and unlocked it a few times and it worked fine. I closed the door and locked it with the remote and it has never opened again even pulling on that same cable. I can here it make a sound when I press the button, but it seems to be stuck in between lock and unlock. What now?