2000 Mazda B3000 Key Fob Battery Replacement Guide

2000 Mazda B3000 Key Fob Battery Replacement Guide

Keyless entry remote allow easy access to your B3000. When the key battery is discharged you’ll lose your keyless entry fob's ability to use remote functions. Below, we outlined how to open your car keyless entry remote and replace your Mazda key battery.

What type battery does 2000 Mazda B3000 keyless entry remote take

Before beginning open keyless entry remote check all that you need: flat head screwdriver and CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

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

Inside of your key fob installed button cell battery. Accurately try to open your keyless entry remote with hands or flat head screwdriver. Replace 1 CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Battery must be placed with the same position as was an old. Your keyless entry remote will not work if you by mistake put battery wrong way.

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

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

How to change the battery video instruction

How To Replace Mazda B3000 Key Fob Battery 1999 2007

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Mazda B3000 use 1xCR2032 batteries. Most CR2032 batteries are under $5 depending on the size packaging, type and brand you buy. You can take 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 remote key fob battery is simple to do in 2000 Mazda B3000. Most of car manufacturers think about clients and make a special hole for key fob open.

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

You should change batteries inside keyless entry remote of modern cars at least once in 3-4 years. The term of battery differ on usage time, quality and operating conditions.

If your B3000 need multiple clicks to unlock or lock doors, has low key battery indicator on dashboard, key fob buttons not working or fob's battery more than 4 years old, in most cases battery change inside key fob required. Current battery is weak or dead with a high probability, but if it's not fix, remote key fob replace or repair required.
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Fob Compatibility:

  1. FCC ID: CWTWB1U331
  2. Models: 1999-2008 Mazda B3000