Ford Key Fob Batteries & How to Replace Them

Change every Ford Key Fob Battery
Every Ford Key Fob Battery

Ford is the #1 car maker in the US and the top user of key fobs. Ford has been using key fobs to unlock it’s cars and trucks since at least it’s 1993 Ford Explorer model.

Changing a key battery in a Ford is all about the key or fob type. Different fobs were used for different models. While the same fob was often used for years in a row, your best bet is to check the individual model pages below or look at the table for the image of your key to find the battery you need to replace.

Most Popular Ford Models

How to change the batteries on the most popular Ford vehicle key fob remotes.

Ford Key Fobs

Ford has made about 7 major key fobs over the years:

  • Square Fob (no key)
  • Rounded Key
  • Slim Smart Key
  • Rounded Rectangle Flip Key
  • Rounded Rectangle w/Internal Valet Key
  • Smart Key w/Pull Out Valet Key
PictureKeyYearsBuy Battery
Square Fob (no key, 3-button)1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001CR2032 Check on Amazon
Ford Square Fob (no key, 4-button) Battery Square Fob (no key, 4-button)2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010CR2032 Check on Amazon
Ford Rounded Key Battery Rounded Key2011, 2012, 2013CR2032 Check on Amazon
Ford Slim Smart Key Battery Slim Smart Key2013, 2014, 2015CR2032 Check on Amazon
Ford Rounded Rectangle Flip Key Battery Rounded Rectangle Flip Key2016, 2017CR2032 Check on Amazon
Ford Rounded Rectangle w/Internal Valet Key Battery Rounded Rectangle w/Internal Valet Key2016, 2017CR2032 Check on Amazon
Ford Smart Key w/Pull Out Valet Key Battery
Smart Key w/Pull Out Valet Key2018+CR2450 Check on Amazon

How to change every Ford key battery

In this video, I change every single Ford key fob, so you’ll be able to see exactly how it is done:

Frequently Asked Questions

How do I change the battery in my Ford car key?

It all depends on what type of key or fob that you have. Some ford car keys have very simple batteries to change. Others require some precision tools to pry open access to the battery. Most Ford key fobs use CR or “coin” 3v batteries. Watch our video on how to change every single Ford key fob every made to see how to change yours.