Honda Civic Key Fob Battery Replacement Guide (2001 – 2020)

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

honda civic key battery

How to Replace a Honda Civic Key Battery (2014 – Present)

How to replace honda civic key battery smart key
How to replace the Honda Civic smart key battery

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

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


Buy CR2032 Replacement Battery on Amazon

Replace a Honda Civic Key Battery (2014 – 2020) – Physical Key Rectangle Buttons

How to replace the Honda Civic key battery – physical key with rectangle buttons 2014, 2015, 2016, 2017, 2018, 2019, 2020

This key can be tricky. You’ll need a precision set, or a jeweler’s set to remove the first screw. This set is $4 on Amazon

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

The Honda Civic used the rectangle button physical key in the following model years:

  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020

Here’s my video I made on how to change the Honda Civic key battery on the rectangle button key:

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


Buy CR1620 Replacement Battery on Amazon

Replace a Honda Civic Key Battery (2006 – 2013) – Physical Key Rounded Buttons

Replace the key battery in the Civic years
2006, 2008, 2009, 2010, 2011, 2012, 2013

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 in the older Civics:

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


Buy CR1616 Replacement Battery on Amazon