2014 Mazda MX-5 Miata Key Fob Battery Replacement Instructions

Key fob grant access to your MX-5 Miata. When the remote key fob battery is weak or dead you will not to be able lock trunk or doors from distance. In this article, we outlined how to open your car key fob and change your Mazda key battery.
What is the battery remote key fob use
Before you start to disassembly key fob make sure that you have all recommended tools and materials: 1 CR2025 battery and flat head screwdriver.- flat head screwdriver
- 1xCR2025 battery
Step by step guide
Inside of your keyless entry remote installed small button battery. Remove any internal key first, and then try to pry apart the key fob.
Gently try to open your key with hands or flat head screwdriver. Remove CR2025 battery with flat head screwdriver.
Get new battery and install it in keyless entry fob's body. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
After the new battery installed, check key fob functionality by pressing buttons. If everything working good, assemble your keyless entry fob's shell in reverse order.
At this point squeeze fob’s back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. If your keyless entry remote case tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2014 Mazda MX-5 Miata Video
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Still not working? Buy new one