How to Replace the Battery in a 2011 Mazda 3 Key Fob

How to Replace the Battery in a 2011 Mazda 3 Key Fob

If your auto key fob is no longer unlock doors properly, the battery probably must to be replaced. In this post, we explained how to open your keyless entry remote and change your Mazda key battery step by step.

What is the battery keyless entry remote use

Before beginning open key fob make sure that you have all recommended tools and materials: 1xCR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Simple steps to change the battery in your 3's key fob

Inside of your key fob installed small coin battery. Move the key out of the way if it is in the key fob.

Accurately try to open your keyless entry remote with hands or flat head screwdriver. Change 1xCR2025 battery with flat head screwdriver.

Get new battery and install it in keyless entry fob's body. Battery must be placed with the same polarity as was an old. Your remote key fob will not work if you mistakenly put battery wrong way.

When the new battery installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

At this point squeeze fob’s back cover together. Line your body pieces together and assemble it in place by hands from top to bottom. If your key shell tightly closed, we done. If not, repeat the last step.

How to replace the battery video instruction

Replace Mazda Remote Battery

Still not working? Buy new one

FAQ

Key fob of Mazda 3 require 1xCR2025 batteries. Price for 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.

Key fob in most of cases do not need to be reprogrammed after battery change. If your key not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2011 Mazda 3 remote key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our step by step guide.

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

Keyless entry remote batteries in Mazda 3 should be changed once in three years, although this will vary based on frequency of use and battery quality. If your keyless entry remote shortened signal strength, you should change batteries before it stop working and make problems for you.

These signs will warning you that it's probably time to replace battery in your Mazda 3: key fob buttons not working, low key battery indicator on dashboard, multiple clicks to unlock or lock doors required and signal strength reduced.
Be the first to comment.
Your message is required.

Fob Compatibility:

  1. FCC ID: KPU41777
  2. Models: 2007-2011 Mazda 3