Ford Focus Key Fob Battery Remote Replacement 2000 – 2019

The Ford Focus has had 3 major key fobs in it’s life as a Sedan, Hatchback, and more. The battery in all fobs has been the small CR2032 coin / key battery. If you have a different fob, see our Ford page for other options and battery types.

ModelTrimsGenerationYearsKey Fob TypeSubTypeRechargeable? Ease of changeBatteryBuy
FocusCoupe, Hatchback, Sedan3rd, 4th2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019Ford Slim Smart Key Battery Slim Smart Remote Key Smart KeyNoCR2032
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FocusCoupe, Hatchback, Sedan3rd, 4th2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019Ford Rounded Key Battery Rounded KeyCR2032
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FocusCoupe, Hatchback, Sedan, ST, RS1st, 2nd2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010Ford Square Fob (no key, 4-button) Battery Square FobRemote OnlyNoCR2032
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How to replace the Ford Focus 2012 – 2019 Smart key fob battery

How to change the 2012 to present Ford Focus key fob Battery
How to change the 2012 to present Ford Focus key fob Battery

Changing the fob battery in the smart remote key for the Ford Focus is simple and will take no more than a few minutes. You’ll need to remove the valet key first, and then pry the back off to access the internal CR2032 battery to replace. Here is my video where I show how to change this battery:


This is the battery for this Ford Focus slim key fob:


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How to replace the Ford Focus 2011 – 2019 remote key fob battery

Non-smart key remote battery replacement for the Ford Focus
Non-smart key remote battery replacement for the Ford Focus

This non-smart key remote for the Ford Focus requires a CR2032 battery to replace. It’s a quick one though, just watch my video on how to change it:


This is the battery for this Ford Focus remote key fob:


Buy CR 2032 Replacement Battery on Amazon