I always wanted a Ridgeline when they first came out. Part of me still does. I know they may not be the most practical, but I thought the mix of SUV and Truck was awesome. Anywho, the Ridgeline has had just two keys in it’s lifetime. An older rounded button physical key, and the newer smart key. The newer smart key will look something like this:

How to Replace a Honda Ridgeline Key Battery (2017 – Present) Smart Key

The Ridgeline uses this fob battery in these model years:
- 2017
- 2018
- 2019
- 2020
This is a very easy key battery to change. The Ridgeline uses the fob case that I show in my video below. It will take, no joke, about 60 seconds to replace the 3v coin battery. Here’s the video:
This is the battery you need for this Honda CR-V Smart Key Fob:
Buy CR2032 Replacement Battery on Amazon
Replace a Honda Ridgeline Key Battery (2006 – 2014) – Physical Key Rounded Buttons

2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014
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 on the older Ridgeline models:
This is the battery you need for this Honda Accord physical key with rounded buttons: