I put a new battery in my key fob but it still wont start the car. does the fob have to be reprogrammed

Asked by Sharri Oct 17, 2018 at 08:42 PM about the 2013 Ford Focus Titanium

Question type: Maintenance & Repair

i put a new battery in my 2013 Ford Focus fob and it still wont start the car or
open the doors or anything

1 Answer
157,445

Bob answered 5 years ago

Some FOBs are picky about which battery they will work with. Also the battery must be installed with the correct polarity. There is also the possibility that the FOB has gone bad and be prepared to spend a couple of hundred bucks to get a new replacement and get the vehicle programmed to recognize it. Some FOBs can be made to be recognized by the owner and some can't. I work at a dealership and priced a key style FOB for a 2014 Focus to a customer today and the total came to nearly $250.00. Keys and FOBs can be very expensive on many of today's late model vehicles.

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