How to Open Your 2013 Mazda 6 Key Fob and Change Battery

How to Open Your 2013 Mazda 6 Key Fob and Change Battery

If your auto keyless entry remote is no longer open doors well, the cell battery more likely needs to be replaced. In this post, we described how to open your car remote key fob and change your Mazda key battery.

What is the battery remote key fob require

Before starting open key fob be 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 remote key fob installed tiny coin cell battery. Move the key out of the way if it is in the keyless entry remote.

Carefully try to open your key with pry tools. Change one CR2025 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's shell. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

When the new battery installed, check key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the two halves in place by hands from top to bottom. Check your remote key fob case for gaps. If it is not tightly closed try to repeat last step.

Video of key fob opening

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

Still not working? Buy new one

Frequently Asked Questions

Key fob of Mazda 6 require 1xCR2025 batteries. Most CR2025 batteries are under $4 build upon the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

Usually, after key battery change, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2013 Mazda 6 key yourself. Most hard part is to open fob’s case. It's pretty easy with our instruction.

Auto repair shop's pricing for replace the battery in fob is from 50 to 600 dollars depending on the brand.

Keyless entry remote batteries in Mazda 6 should be replaced every 3-4 years, also this will vary based on frequency of use and build quality. If your remote key fob decreased signal strength, you should change batteries before it stop open doors and make trouble for you.

If your car signal strength reduced, key fob buttons not working, fob's battery more than 4 years old or has low key battery indicator on dashboard, in most cases battery change in remote key fob required. Current battery is dead with a high probability, but if it's not fix problem, fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: KR55WK49383
  2. Models: 2009-2014 Mazda 6