2004 Mazda B4000 Key Fob Battery Replacement Guide

If your auto key isn't working well, the battery more likely needs to be changed. In this article, we are going to tell you how to open your keyless entry remote and change a discharged battery DIY. If you decide to do it at home near B4000, use this guide, but don't forget to check tools and materials required.
What type battery keyless entry remote require
Before starting disassembly remote key fob be sure that you have all recommended tools and materials: flat head screwdriver and 1 CR2032 battery.- 1xCR2032 battery
- flat head screwdriver
Step by step instruction
A small button battery installed in the your keyless entry remote. Delicately try to pry apart your remote key fob with pry tools. Change 1xCR2032 battery with flat head screwdriver.
Get new battery and install it inside fob’s body. Battery must be installed with the same position as was a previous. Your key will not work if you mistakenly place battery wrong way.
Before assembling keyless entry fob's case, make sure that all is functioning by testing buttons on keyless entry remote.
At this point squeeze fob’s back cover together. Line your shell two halves together and assemble it in place by hands from top to bottom. If your fob shell tightly closed, we done. If not, repeat the last step.
How to change the battery video guide
How To Replace Mazda B4000 Key Fob Battery 2000 2009
Still not working? Buy new one