How to Open Your 2004 Mazda 6 Key Fob & Change Battery

How to Open Your 2004 Mazda 6 Key Fob & Change Battery

Key fob grant access to your auto. When the key battery is dead or weak you will lose your fob’s ability to use distance opening function. In this article, you will benefit from knowing how to open Mazda keyless entry remote and change a discharged battery DIY. If you choose to do it at home near 6, use this guide, but first make sure you have tools and materials required.

What kind of battery key fob use

Prior to disassembly key fob make sure that you have all required tools and materials: CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step guide

Inside of your key fob installed tiny button battery. Accurately try to disassemble your key fob with hands or flat head screwdriver. Remove CR2025 battery with flat head screwdriver.

Change old battery with fresh one CR2025. Battery must be placed with the same polarity as was a previous. Your key will not work if you mistakenly put battery wrong way.

Before assembling fob’s case, verify that all working good by pressing buttons on key fob.

At this point squeeze keyless entry fob's back cover together. Line your body two halves together and assemble it in place by hands from top to bottom. Check your key case for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2004 Mazda 6 Video

How To Change A Mazda 6 Key Fob Battery (2006-2012)

Still not working? Buy new one

FAQ

Remote key fob of Mazda 6 require 1xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the type, brand and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

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

Replacing your keyless entry remote battery is easy to do in 2004 Mazda 6. Most of car manufacturers think about customers and make a special hole for remote key fob open.

Car service cost for replace the battery in remote key fob is from 50 to 600 dollars depending on the make.

You should change batteries inside remote key fob of Mazda 6 at least once in four years. The term of battery differ on their amount of use, quality and operating conditions. Lithium cells usually will last longer.

These signs will alert you that it's probably time to replace battery in your 2004 Mazda 6: multiple clicks to unlock or lock doors required, signal strength reduced, you didn't change battery more than 4 years and key fob buttons not working.
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Fob Compatibility:

  1. FCC ID: KPU41805
  2. Models: 2003-2005 Mazda 6