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Ford Mustang Key Fob Battery Guide

Created by Tyler Rodriquez / 3 min read
Date Created: 11/21/2025
Last Updated: 12/4/2025

Need to replace your Mustang's key fob battery? LMR has you covered with a quick and easy guide as well as the replacement batteries you need.

Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install Instructions Disclaimer.
One of the most common questions we get here at LMR regarding our replacement Mustang key fobs is "What battery does a Mustang key fob use". We make it easy for you by not only giving you a quick and easy guide on what battery you need, but also offering the replacement battery needed to make your replacement.

  • 1994-2009 - CR2032 - 1 Battery 
  • 2010-2014 - CR2032 - 1 Battery 
  • 2015-2017 - CR2025 - 2 Batteries 
  • 2018-2025 - CR2450 - 1 Battery
Need a new replacement Mustang key fob? Shop our full selection below.



About the Video

Mustang Keyless Entry Remote Programming - Key Fob (99-09)

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Published on 2013-05-31
Need a new 1999-09 Mustang Keyless Entry Remote? Watch this quick walk through on how to program a new 99-04 Ford Mustang keyless entry remote.

We carry the Ford and aftermarket replacement keyless entry remotes for 1999-2009 Mustangs. It has 4 buttons that include lock, unlock, trunk, & panic. This remote only works with vehicles originally equipped with keyless entry from the factory. Will not work with vehicles equipped with factory remote start.

Also referred to a Ford Mustang key fob.

Fits the Following year model Ford Mustangs: 1999 (99) - 2000 (00) - 2001 (01) - 2002 (02) - 2003 (03) - 2004 (04) - 2005 (05) - 2006 (06) - 2007 (07) - 2008 (08) - 2009 (09)
Transcript
0:00:06 - 0:00:30
If you own a 99-04 mustang, then it’s not uncommon to have a missing keyless entry remote or one that just simply doesn't work anymore. Now I'm going to show you the process that will work with either factory Ford remote or aftermarket Mustang key fobs. The whole process revolves around cycling the key eight times and landing on the on position the eight time.

0:00:30 - 0:00:54
You will want to have at least two remote to have a successful programming procedure. You will hit one of the four buttons on the remote to program it to the car. When every land on that eight keystroke the doors will lock and unlock to let you know that your Mustang is ready to be trained. Then you hit one of the buttons on the remote and the doors will lock and unlock again indicating that remote is trained you can do that up to four times.

0:00:54 - 0:01:24
We will start out.. 1, 2, 3, 4, 5, 6, 7, 8. Hit a button and again on second remote. Once you are done turn the key off. The doors lock and unlock again. Then you can test the operation of your remotes and we are good to go. For more tech tidbits check out LatemodelRestoration.com
Thumbnail image of the author of this article, Tyler Rodriquez.

About the Author

Tyler has written content for Late Model Restoration for nearly 8 years, producing over 300 articles. As an avid New Edge fan, Tyler has owned 4 2004 Mustangs and an 88 Convertible Fox Body. Read more...