How to Open Your 2001 Mazda MX-5 Miata Key Fob & Change Battery

How to Open Your 2001 Mazda MX-5 Miata Key Fob & Change Battery

If your Mazda keyless entry remote is not open doors perfectly, the cell battery most likely needs to be changed. In this article, we explained how to open your keyless entry remote and change your Mazda key battery.

What size battery does 2001 Mazda MX-5 Miata remote key fob required

Changing battery in remote key fob require flat head screwdriver and one CR2025 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • 1xCR2025 battery
  • flat head screwdriver

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

Inside of your key fob installed tiny coin cell battery. Delicately try to pry apart your fob with pry tools. Replace 1 CR2025 battery with flat head screwdriver.

Now it's time to install new battery in fob’s case. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.

When the new battery installed, check remote key fob by pressing buttons. If everything is functioning, assemble your fob’s shell in reverse order.

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

How to replace the battery video guide

How To Replace A Mazda Miata MX-5 Key Fob Battery (2006-2013)

Still not working? Buy new one


Keyless entry remote of Mazda MX-5 Miata use 1xCR2025 batteries. Most CR2025 batteries are under $4 build upon the type, brand and size packaging you buy. Take your old battery to the store, to be sure.

Key fob in most of cases do not require to be reprogrammed after battery replace. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your key fob battery is simple to do in 2001 Mazda MX-5 Miata. Most of car manufacturers think of the clients and make a special hole for key fob open.

The cost to change the battery inside remote key fob is in range from $30 to as high as $500 depending on the brand and the service pricing.

You should replace batteries inside keyless entry remote of modern cars at least once in 3-4 years. The term of battery vary on frequency of use, quality and operating conditions.

If your Mazda has low key battery indicator on dashboard, key fob buttons not working, signal strength reduced or fob's battery more than 4 years old, in most cases battery replace in remote key fob required. Installed battery is weak with a high probability, but if it's not fix, keyless entry remote change or repair needed.
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Fob Compatibility:

  1. FCC ID: KPU41701
  2. Models: 2001-2005 Mazda MX-5 Miata