2008 Honda Civic Key Fob Battery Replacement Guide

If your car keyless entry remote is not open doors perfectly, the battery likely needs to be changed. It's not complicated to replace the battery in your keyless entry remote, and it’s easier than you think. All you need is outlined in this post.
What kind of battery key fob use
Before starting open key fob make sure that you have all required tools and materials: 2 CR2032 batteries, phillips head screwdriver and flat head screwdriver.- phillips head screwdriver
- flat head screwdriver
- 2xCR2032 batteries
Simple steps to replace the battery in your Civic's remote key fob
A tiny coin battery installed inside the your remote key fob. Remove screw on the back of the key fob. Flip the keyless entry remote over and find for at least 1 screw holding in the plastic.
Carefully try to pry apart your remote key fob with hands or flat head screwdriver. Change 2xCR2032 batteries with flat head screwdriver.
Replace old batteries with new one CR2032. Battery must be placed with the same polarity as was a previous. Your key fob will not work if you by mistake place battery wrong way.
Before assembling fob’s case, make sure that all functions works by testing buttons on keyless entry remote.
At this point squeeze fob’s back cover together. Line your body pieces together and put it together by hands from top to bottom. Inspect your key fob case for gaps. If it is not tightly closed try to repeat last step. Screw fastener in the back of the keyless entry remote.
Video of key opening
How To Replace A Honda Civic Key Battery (2006-2011)
Still not working? Buy new one