Replace Key Fob Batteries

2010 Mazda RX-8 Key Fob Battery Replacement Guide

2010 Mazda RX-8 Key Fob Battery Replacement Guide

If your car keyless entry remote is not working well, the cell battery surely needs to be replaced. Below, we outlined how to disassembly your key fob and replace your Mazda key battery.

What is the battery key fob require

Before starting open key fob be sure that you have all recommended tools and materials: 1 CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step instruction

A button cell battery installed in the your key fob. Move the key out of the way if it is in the key fob.

Carefully try to open your remote key fob with pry tools. Change 1xCR2025 battery with flat head screwdriver.

Change old battery with new one CR2025. Battery must be installed with the same position as was a previous. Your keyless entry remote will not work if you by mistake place battery wrong way.

Before assembling keyless entry fob's case, check that all functions works by pressing buttons on keyless entry remote.

At this point squeeze keyless entry fob's back cover together. Line your case two halves together and put it together by hands from top to bottom. If your fob case firmly closed, we done. If not, repeat the last step.

Video of key opening

How To Change A Mazda RX-8 Key Fob Battery-Flip Key (2005-2008)

Still not working? Buy new one

FAQ

Remote key fob of Mazda RX-8 use 1xCR2025 batteries. Price for CR2025 batteries are under $4 depending on the size packaging, brand and type you buy. You can take old battery to the store, with you to find a proper replacement.

Key fob in most of cases reprogramming not required after battery change. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can change battery in your 2010 Mazda RX-8 key fob yourself. Most difficult part is to disassembly keyless entry fob's case. It's pretty easy with our step by step guide.

The price to replace the battery in key fob can run anywhere from $30 to as high as $500 depending on the make and the service pricing.

You should replace batteries inside key fob of modern cars at least once in three years. lifespan of battery vary on frequency of use, quality and operating conditions.

These signs will alert you that it's possible time to change battery in your 2010 Mazda RX-8: key fob buttons not working, multiple clicks to unlock or lock doors required, low key battery indicator on dashboard and signal strength reduced.
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Contents:

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

Other Mazda Models:

Fob Compatibility:

  1. FCC ID: BGBX1T458SKE11A01
  2. Models: 2004-2011 Mazda RX-8