The Honda Fit, the adorable little car it is, has used just 3 different key fobs in its just over a decade life. It currently uses the two newest smart fobs, one with the physical key and one without a physical key. The smart key for the newest models looks like this:

If you have a psychical key for your Honda Fit, the newest key looks like this:

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

Replacing the battery on a Honda Fit smart key is very easy. It can be done in about 60 seconds. This newest smart fob has been used in the Fit in years:
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
Here is my video where I show you how to change the battery in the Honda Fit remote in 60 seconds:
This is the battery you need for this Honda CR-V Smart Key Fob:
Buy CR2032 Replacement Battery on Amazon
How to Replace a Honda Fit Key Battery (2014 – Present) Physical Key

The Honda Fit has a bit of a challenging key battery to replace. First you need a small screwdriver. Not the small one you have in your toolset. You’ll need a precision set, or a jeweler’s set. This set is $4 on Amazon:

Here is my video on changing the key battery for the Fit:
This key was used in the following model years of the Fit:
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
This is the battery you need for this Honda Fit physical key with rectangle buttons:
Buy CR1620 Replacement Battery on Amazon
Replace a Honda Fit Key Battery (2009 – 2013) – Physical Key Rounded Buttons

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