Power Door Locks Not Working problems of the 2010 Ford Focus

First automatic power door lock problem: the passenger side door lock would not respond to fob, interior door lock opener or manual intervention. Repair shop checked fuse, checked good. Scheduled appointment for repair. Started working again after I left the Ford dealership. Second automatic power door lock problem: 21649 miles. The passenger side rear door lock would not respond to fob, interior door lock opener or manual intervention. Shop notes: customer states pass rear door will not unlock, service writer verified. Happens when hot out, works when cool in the morning. Failed door latch right rear, test verified pinpoint test lead to latch replaced right rear door lock latch assemble 901. Third power door lock failure. Mileage 49826, the driver side rear door lock would not respond to fob, interior door lock opener or manual intervention. 4/29/2013 returned to dealership, service writer verified, scheduled service appointment for 5/1/2013. This is a safety issue. If drivers door lock fails and driver needs emergency exit of vehicle, driver could not exit. We also own a 2010 Ford fusion with approximately same mileage and had no problems with it. Ford could re-engineer the 2010 Focus power door locks like the ones they engineered for the 2010 fusion and replace all locks upon failure of first lock. I found 14 other reports of failures of power locks on the 2010 Ford Focus. I didn't report this until my third failure. I would thus assume for every reported failure, there are over 100 not reported, maybe more. This is a safety issue and needs additional action by the Ford motor company.

I bought this car in 2010. A few months later my children said they couldn't get out of the car even though I had opened my door. I tried to manualy unlock this door and was unable. I made an appointment to get it fixed but on arrival at Ford service it had started working again. When it happened again I made the same appointment this time they saw the problem for themselves. They could not diagnose the problem but knew it was a safety issue and therefore changed the door actuator,latch and linkage. It worked for a while and then failed again along with two other doors. Ford service department was stumped. They then change all the door actuators,latches and linkage still not knowing what happened. Some more time passed and then an all door lock failure happed. Same thing all locks stuck in lock position unable to unlock with keypad, interior doors switch or manually. With there hand in the air unable to find out what was wrong they put all new updated actuators, latches and linkage in all doors . This worked for a much longer period of time and just recently jammed in lock position again . I brought it to my salesman and he wrote a report and we got another appointment to get it fixed again . The day before I brought it in it started working again and like they always tell me ' it has to me malfunctioning in front of us ". This has been an on going problem since I bought this car . I have had serious issues regarding people not being able to get out in a medical condition situation and my locks were stuck . Now my warranty is up in a few months and they have told me I will have to pay for parts and labor as soon as that happens again . I tried to get a warranty extension just on the locks and just until they figure out this ongoing safety issue but Ford motor company wouldn't here of it even mocking my safety concerns on the phone . Ford knows there is more to this problem!!.