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:

Honda Odyssey Key Battery Replacement Guide 2014 - 2020

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


AmazonBasics CR2032 3 Volt Lithium Coin Cell Battery - 4-Pack
  • 4-pack of lithium coin cell batteries; CR2032 cell size
  • 8-year leak-free shelf life, ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • Replacement for BR2032, DL2032, and ECR2032

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:

2005 - 2010 Honda Odyssey Key Battery Replacement Guide

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


AmazonBasics CR1616 Lithium Coin Cell Battery - 2-Pack
  • 2-Pack of CR1616 lithium coin cell batteries for small electronic devices
  • Powers devices such as watches, calculators, sporting goods, games, medical devices, and more
  • Long-lasting, reliable battery life; performs in extreme temperatures

Overview of Honda Odyssey

Honda Odyssey’s first generation was not sold in the American market until 2005 when it was introduced into the market. As such, the first model of the Odyssey in the American market was the second generation that was introduced into the market in 2005.

Second Generation (2005 – 2008)

The Honda Odyssey was introduced in the North American market in 2005. The model featured an all-new re-engineering that was the benchmark of the minivan segment in the industry. It featured advanced safety equipment with a particular focus on the model’s interiors. It featured full-sized second-row captain’s chairs to enhance users’ comfort while providing more cargo space. It featured a V6 3.5 L gasoline engine with a power output of 255 hp at 5750 rpm when accompanied with multipoint injection transmission.

Third Generation (2008 – 2011)

In the second generation, the Odyssey received a facelift defined by significant interior and exterior styling. It featured a more fuel-efficient engine and was available in more new colors and different instrument panel textures as compared to the predecessor. The seats’ design also incorporated more premium fabric for a more executive look. Some of the exterior upgrades included additional storage bins for the second-row PlusOne Seat that was standard for the EX-L and Touring models. This model’s generation also retained the 3.5L V6 engine with similar power output.

Fourth Generation (2011 – 2017)

In 2011, Honda gave its biggest minivan a new facelift that was introduced in the Chicago Auto Show. The minivan continued to register impressive sales with over 100,000 sales in the North American market up to 2017. The 2011 model featured a new interior and exterior features including HID Xenon bulbs, new headlights, 18-inch light allow wheels, and a new infotainment package. Some of the entertainment features that were introduced during the generation included a split-screen rear-seats DVD entertainment system. The multi-zone climate zone control system was offered as an option for higher trims. The car, however, was only available with front-wheel-drive functionality (FWD). The model featured a 3.5 L V6 engine with less power of 251.4 HP at 5700 rpm when coupled with multipoint injection and s-speed auto transmission. The model had an estimated fuel economy of 18 mpg for city driving and 27 mpg in city driving.

Fifth Generation (2017 – Present)

In 2017, the fourth generation of the Honda odyssey for the American market was introduced. It included an improvement in technology and design to meet the needs of the changing market segment. Some of the new upgrades included a new CabinWatch and CabinTalk, a new rear entertainment system, new magic slide second-row seats, and an improved audio touchscreen. Other prominent features included the manufacturer’s signature flying wing front grille that was accompanied by LED front and taillight. The model featured a V6 3.5 L gasoline engine with a horsepower of 283.9 hp at 6000 rpm and a torque of 262 lb-ft.