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Ford Fiesta Key Fob Battery Replacement Guide
How to change the battery in the key fob remote control of a 6th generation 2009 to 2015 Ford Fiesta with pictures.

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2013 Fiesta Key Fob
Back of Key Fob
Notch In Key Fob
This automotive maintenance tutorial was specifically written to assist owners of the sixth generation (2009, 2010, 2011, 2012, 2013, 2014, 2015 and possibly also the 2016 model year) Ford Fiesta sedan or hatchback in changing the battery in the key fob remote control.

Owners of other Ford or Lincoln vehicles such as the Focus, Fusion, C-Max, Mustang, Escape, Transit Connect, Edge, Flex, Explorer, Expedition, Taurus, F-150, EcoSport, MKC, MKZ, MKS, MKX, MKT and the Navigator may also find these DIY instructions to be helpful.

A replacement coin cell (A.K.A. "button" or "watch") battery is part number CR2032, which is available from various manufacturers such as Panasonic, GE, Sony, Duracell, Energizer and Maxell.

The only tool needed to replace the battery is a small flathead screwdriver or a plastic pry bar tool used to pry apart the key fob housing.

Pry Apart Fob From Key
Remote Control & Metal Key
Two Parts Separated

Turn over the key fob and metal ignition key assembly.

Locate the small notch on the back side of the fob.

Insert a small flathead screwdriver and pry apart the "U" shaped plastic piece attached to the metal ignition key from the remote control unit.

Pry Apart Fob Unit
Two Halves Separated
Pop Out Old Battery
Gently pry apart the two halves of the fob remote control unit with the flathead screwdriver.

Carefully pry out the old battery from the socket.

Try to avoid damaging the metal electrical contacts.


Old Battery Removed
Panasonic CR 2032 3V
Insert New CR2032
Insert a new # CR2032 coin cell battery in to the holder with the "+" positive side facing up towards you.
New Battery Installed
Line Up Two Halves
Snap Together Fob
Make sure that the new battery is firmly installed in to the socket.

Line up the two halves of the fob remote control unit and gently snap them together.

Push On Metal Key
Key & Fob Re-Assembled
Test New Key Fob Battery
Push the plastic piece attached to the metal ignition key and the fob back together.

To test the new key fob battery, stand near your Fiesta and press the "Unlock" or "Lock" buttons.

If the new battery is working properly, you should see the parking lights flash and hear the door locks opening or closing.

For more, check out my other 2009-2015 Ford Fiesta DIY Repair & Maintenance Guides.

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