2009 Mazda 6 Key Fob Battery Replacement Instructions

2009 Mazda 6 Key Fob Battery Replacement Instructions

If your car keyless entry remote is not working perfectly, the cell battery most likely must to be replaced. In this post, we outlined how to disassembly your car key fob and change your Mazda key battery step by step.

What is the battery key fob require

Before beginning disassembly keyless entry remote make sure that you have all required tools and materials: CR2025 battery and flat head screwdriver.
  • 1xCR2025 battery
  • flat head screwdriver

Step by step instruction

A button cell battery installed inside the your remote key fob. Remove any internal key before you try to pry apart the remote key fob.

Accurately try to pry apart your remote key fob with hands or flat head screwdriver. Change 1 CR2025 battery with flat head screwdriver.

Get new battery and install it in fob’s case. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you put battery wrong way.

Before assembling fob’s case, check that all functions works by testing buttons on circuit board.

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

How to replace the battery video instruction

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. Price for CR2025 batteries are under $4 build upon the size packaging, brand and type you buy. Take your old battery to the store, to be sure.

Keyless entry remote in most of cases do not need to be reprogrammed after battery change. If your key not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your keyless entry remote battery is easy to do in 2009 Mazda 6. Most of car manufacturers think of the clients and make a special hole for keyless entry remote disassembly.

The price to replace the battery in keyless entry remote can run anywhere $50-600 depending on the make and the service station.

Key fob batteries in Mazda 6 should be replaced once in three or four years, also this will differ based on their amount of use and quality. If your keyless entry remote decreased signal strength, you should change batteries before it stop open doors and make trouble for you.

These symptoms will alert you that it's probably time to replace battery in your 2009 Mazda 6: you didn't change battery more than 4 years, signal strength reduced, key fob buttons not working and low key battery indicator on dashboard.
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Fob Compatibility:

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