How to Replace the Battery in a 2010 Mazda 6 Key Fob

How to Replace the Battery in a 2010 Mazda 6 Key Fob

If your 6 key is not open doors correct, the battery more likely must to be replaced. In this case, we demonstrate how to disassembly Mazda key fob and replace a weak battery DIY. If you choose to do it at home near 6, follow our instruction, but first make sure you have tools and materials required.

What size battery does 2010 Mazda 6 keyless entry remote required

Before starting open keyless entry remote check all that you need: flat head screwdriver and CR2025 battery.
  • 1xCR2025 battery
  • flat head screwdriver

Simple steps to replace the battery in your car's remote key fob

A button battery installed in the your remote key fob. Remove any internal key first, and then try to pry apart the key fob.

Gently try to open your key fob with flat head screwdriver. Change 1xCR2025 battery with flat head screwdriver.

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

When the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Delicately try to assemble the pieces in place by hands from top to bottom. If your fob shell tightly closed, we done. If not, repeat the last step.

Video of keyless entry remote opening

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. Price for CR2025 batteries are under $4 depending on 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 reprogramming not required after battery replace. 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 keyless entry remote battery is easy to do in 2010 Mazda 6. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

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

Key fob batteries in modern cars should be replaced once in 3-4 years, although this will differ based on frequency of use and battery quality. If your key fob shortened signal strength, you should change batteries before it stop working and make problems for you.

If your 6 need multiple clicks to unlock or lock doors, fob's battery more than 4 years old, key fob buttons not working or signal strength reduced, it's probably battery replace inside key fob needed. Currently installed battery is weak with a high probability, but if it's not fix problem, fob change or repair required.
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Fob Compatibility:

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