How to Replace the Battery in a 1999 Mazda B2500 Key Fob

How to Replace the Battery in a 1999 Mazda B2500 Key Fob

Keyless entry remote grant easy access to your Mazda. Once the key fob battery is weak you not to be able lock doors from distance. In this case, we explained how to open your keyless entry remote and change a discharged battery DIY. If you choose to do it at home near B2500, use this instruction, but first make sure you have everything you need before you start.

What type battery does 1999 Mazda B2500 key fob required

Replacing battery in keyless entry remote require 1 CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

Inside of your key fob installed coin cell battery. Carefully try to disassemble your fob with hands or flat head screwdriver. Change one CR2032 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 will not work if you place battery wrong way.

After the new battery installed, check keyless entry remote by pressing buttons. If everything is functioning, assemble your keyless entry fob's case in reverse order.

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

How to replace the battery video instruction

How To Replace Mazda B2500 Key Fob Battery 1999 2001

Still not working? Buy new one

FAQ

Keyless entry remote of Mazda B2500 require 1xCR2032 batteries. Most CR2032 batteries are under $4 depending on the brand, type 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 change. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your keyless entry remote battery is easy to do in 1999 Mazda B2500. Most of car manufacturers think of the customers and make a special hole for keyless entry remote open.

The price to change the battery inside remote key fob is $50-600 depending on the car and the service pricing.

Keyless entry remote batteries in Mazda B2500 should be changed once in 3-4 years, also this will differ based on their amount of use and battery quality. If your remote key fob decreased signal strength, you should replace batteries before it stop working and make problems for you.

If your auto key fob buttons not working, has low key battery indicator on dashboard, need multiple clicks to unlock or lock doors or fob's battery more than 4 years old, in most cases battery replace in key fob required. Currently installed battery is weak or dead with a high probability, but if it's not help to fix issues, remote key fob change or repair required.
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Fob Compatibility:

  1. FCC ID: CWTWB1U331
  2. Models: 1999-2001 Mazda B2500