Honda Odyssey Key Fob Battery Replacement Guide (2005 – 2020)

The Honda Minivan, the Odyssey, has used nearly every Honda key fob remote in its lifetime since 1999. The newest smart key fob uses a simple CR2032 3v Coin battery. The newest fob looks like this:

Honda Odyssey smart key battery
Honda Odyssey Smart Key Fob

Your fob may have more buttons or look slightly different, but the internal battery is the same to change.

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

How to replace the Honda Odyssey Key Battery – Smart Fob

This smart fob has been used in the Honda Odyssey since 2014. Also used in years:

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

This is an easy key battery to find and to change. Here’s my quick Youtube video I made to show you how to change the Odyssey smart key battery in 60 seconds:

This is the battery you need for this Honda CR-V Smart Key Fob:


Buy CR2032 Replacement Battery on Amazon

Replace a Honda Odyssey Key Battery (2005 – 2010) – Physical Key Rounded Buttons

Replace the key coin battery in your older Odyssey fobs years
2005, 2006, 2008, 2009, 2010

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 Odyssey fob:

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


Buy CR1616 Replacement Battery on Amazon