Replace Key Fob Batteries

How to Open Your 2002 Mazda Protege Key Fob and Change Battery

How to Open Your 2002 Mazda Protege Key Fob and Change Battery

Key fob grant easy access to your auto. If the key battery is weak you lose your keyless entry fob's ability to control remote opportunities. Below, we explained how to open your remote key fob and change your Mazda key battery.

What type battery does 2002 Mazda Protege remote key fob take

Replacing battery in keyless entry remote require one CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • 1xCR2025 battery
  • flat head screwdriver

Step by step guide

A coin battery installed in the your key fob. Accurately try to open your remote key fob with pry tools. Remove one CR2025 battery with flat head screwdriver.

Now it's time to install new battery in fob’s body. 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.

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

At this point squeeze fob’s back cover together. Line your case two halves together and assemble it together by hands from top to bottom. Inspect your remote key fob body for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2002 Mazda Protege Video

How To Replace Mazda Protege Key Fob Battery 2001 2002 2003

Still not working? Buy new one

Frequently Asked Questions

Key fob of Mazda Protege use 1xCR2025 batteries. Price for CR2025 batteries are under $4 depending on the type, size packaging and brand you buy. You can take old battery to the store, to be sure.

Usually, after key fob battery change, reprogramming not required. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Changing your remote key fob battery is easy to do in 2002 Mazda Protege. Most of car manufacturers think of the clients and make a special hole for keyless entry remote open.

Car service cost for replace the battery in key is from 50 to 600 dollars depending on the brand.

You should change batteries inside keyless entry remote of Mazda Protege at least once in 4 years. The lifetime of battery differ on their amount of use, operating conditions and quality. Lithium cells usually will last longer.

If your Mazda key fob buttons not working, has low key battery indicator on dashboard, need multiple clicks to unlock or lock doors or signal strength reduced, in most cases battery replace inside key fob needed. Installed battery is dead with a high probability, but if it's not help to fix issues, key fob replace or repair needed.
Be the first to comment.
Your message is required.

Contents:

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

Other Mazda Models:

Fob Compatibility:

  1. FCC ID: KPU41704
  2. Models: 2001-2003 Mazda Protege