Replace Key Fob Batteries

How to Open Your 2008 Honda Odyssey Key Fob & Change Battery

How to Open Your 2008 Honda Odyssey Key Fob & Change Battery

If your car remote key fob isn't working well, the battery more likely needs to be changed. Yes, it is possible to replace the battery in your remote key fob with our instruction. All you need is described below.

What size battery does 2008 Honda Odyssey remote key fob take

Before going to open remote key fob check all that you need: flat head screwdriver, CR2025 battery and phillips head screwdriver.
  • 1xCR2025 battery
  • phillips head screwdriver
  • flat head screwdriver

Step by step guide

Inside of your remote key fob installed small coin cell battery. Unscrew the back of the remote key fob. Spin the key fob over and find for at least one fastener holding in the plastic.

Delicately try to open your key with flat head screwdriver. Remove one CR2025 battery with flat head screwdriver.

Change old battery with fresh one CR2025. Battery must be installed with the same position as was an old. Your key will not work if you mistakenly place battery wrong way.

When the new battery installed, check remote key fob by pressing buttons. If all functions works, assemble your fob’s body in reverse order.

At this point squeeze fob’s back cover together. Line your case pieces together and assemble it together by hands from top to bottom. Inspect your key body for gaps. If it is not firmly closed try to repeat last step. Screw the back of the key fob.

Video of key disassembly

How To Change A Honda Odyssey Key Fob Battery (2005-2010)

Still not working? Buy new one

Frequently Asked Questions

Key fob of Honda Odyssey require 1xCR2025 batteries. Price for CR2025 batteries are under $6 build upon the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

Keyless entry remote in most of cases reprogramming not required after battery change. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Changing your remote key fob battery is easy to do in 2008 Honda Odyssey. Most of car manufacturers think about clients and make a special hole for keyless entry remote disassembly.

The cost to replace the battery inside key fob is from $30 to as high as $500 depending on the brand and the service station.

You should change batteries inside keyless entry remote of Honda Odyssey at least every three years. The term of battery vary on their amount of use, quality and operating conditions.

These signs will warn you that it's probably time to replace battery in your Honda Odyssey: key fob buttons not working, low key battery indicator on dashboard, signal strength reduced and multiple clicks to unlock or lock doors required.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Honda Models:

Fob Compatibility:

  1. FCC ID: OUCG8D-399H-A
  2. Models: 2005-2010 Honda Odyssey