Honda Accord Key Fob Battery Replacement Guide (1998 – 2020)

The Honda Accord has used 3 different key fob models over it’s 3-decade span. In this guide to replacing the battery in a Honda Accord, I will show you how to change the coin key battery in each of the 3 fobs the Accord has used. Let’s start with changing the battery in the most recent Honda Accord Smart Key that looks like this:

honda accord key battery

How to Replace a Honda Accord Key Battery (2013 – Present) – Smart Key

You can change this Accord key battery in, no joke, 15 seconds with the trick I will show you in the video below. This is for Accord model years 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020.

This is the battery you need for this Honda Accord Smart Key Fob:


Buy CR2032 Replacement Battery on Amazon

Replace a Honda Accord Key Battery (2013 – 2017) – Physical Key Rectangle Buttons

How to replace the Honda Accord key battery physical key with rectangle buttons used 2013, 2014, 2015, 2016, 2017

The Accord used the physical key with rectangle buttons in the following model years:

  • 2013
  • 2014
  • 2015
  • 2016
  • 2017

The Accord key battery with the physical key is a little bit challenging to replace. You’ll need a precision screwdriver set, and some patience getting the first small screw out. This set is $4 on Amazon

$4 precision screwdriver set on Amazon You’ll need this to change the Accord key battery.

Here’s my video on how to do it:

This is the battery you need for this Honda Accord physical key with rectangle buttons:


Buy CR1620 Replacement Battery on Amazon

Replace a Honda Accord Key Battery (2003 – 2012) – Physical Key Rounded Buttons

Replace the key battery in Accord’s from
2003, 2004, 2005, 2006, 2006, 2008, 2009, 2010, 2011, 2012

To change the battery in this key, you’ll want a precision screwdriver set $4 on Amazon since the screw is very small on the back of the key. Here’s my video showing exactly how to change this battery:

This is the battery you need for this Honda Accord physical key with rounded buttons:


Buy CR1616 Replacement Battery on Amazon