Replace Key Fob Batteries

How to Open Your 2005 Mazda 6 Key Fob & Change Battery

How to Open Your 2005 Mazda 6 Key Fob & Change Battery

If your auto key is no longer open doors well, the cell battery most likely needs to be replaced. In this post, we described how to open your car key fob and replace your Mazda key battery step by step.

What is the battery keyless entry remote require

Before going to disassembly keyless entry remote check all that you need: flat head screwdriver and 1xCR2025 battery.
  • 1xCR2025 battery
  • flat head screwdriver

Step by step instruction

A tiny coin cell battery installed in the your key fob. Delicately try to pry apart your fob with pry tools. Replace CR2025 battery with flat head screwdriver.

Change old battery with fresh one CR2025. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.

After the new battery installed, check key fob functionality by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. Check your key fob shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2005 Mazda 6 Video

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

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Mazda 6 require 1xCR2025 batteries. Most CR2025 batteries are under $5 depending on the size packaging, brand and type you buy. Take your old battery to the store, to find a proper replacement.

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

Replacing your key fob battery is simple to do in 2005 Mazda 6. Most of car manufacturers think about clients and make a special hole for keyless entry remote open.

Auto repair shop's price for replace the battery in remote key fob is from $30 to as high as $500 depending on the car.

Keyless entry remote batteries in modern cars should be changed once in three years, but this will differ based on their amount of use and build quality. If your keyless entry remote decreased signal strength, you should change batteries before it stop working and make problems for you.

These symptoms will warn you that it's perhaps time to change battery in your 2005 Mazda 6: signal strength reduced, low key battery indicator on dashboard, key fob buttons not working and you didn't change battery more than 4 years.
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Contents:

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

Other Mazda Models:

Fob Compatibility:

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