My boyfriend owns a mazda 6 with the electric door locks. His door just stopped opening today. It will unlock, but won't open from outside or in. The really frustrating thing is that his remote doesn't work (stopped working about a year ago) and he can not use the key on the passenger door (no key hole). I was wondering if anyone my know why it would stop opening, how it might be fixed or how much it would cost to get it fixed. Thanks! P.S. he's a pizza delivery driver so he really needs easy access to his car.