2000 Toyota Corolla Key Fob Battery Replacement Instructions

2000 Toyota Corolla Key Fob Battery Replacement Instructions

If your car key fob isn't working correct, the cell battery surely must to be changed. Below, we explained how to open your car keyless entry remote and replace your Toyota key battery step by step.

What size battery does 2000 Toyota Corolla keyless entry remote required

Before you start to disassembly remote key fob make sure that you have all recommended tools and materials: flat head screwdriver, phillips head screwdriver and 1xCR2025 battery.
  • phillips head screwdriver
  • 1xCR2025 battery
  • flat head screwdriver

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

Inside of your key fob installed coin battery. Unscrew the back of the remote key fob. Spin the keyless entry remote over and look for at least one fastener holding in the plastic.

Gently try to pry apart your key fob with pry tools. Replace one CR2025 battery with flat head screwdriver.

Change old battery with new one CR2025. 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.

Before assembling fob’s case, make sure that everything is functioning by testing buttons on circuit board.

The last thing to do is put your cover back on fob. Delicately try to assemble the pieces in place by hands from top to bottom. Inspect your fob body for gaps. If it is not firmly closed try to repeat last step. Screw fastener in the back of the key fob.

Video of keyless entry remote disassembly

How to change remote key battery Toyota Corolla. Years 2000-2008

Still not working? Buy new one

Frequently Asked Questions

Key fob of Toyota Corolla require 1xCR2025 batteries. Most CR2025 batteries are under $5 depending on the brand, size packaging and type you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, after keyless entry remote battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can change battery in your 2000 Toyota Corolla key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty easy with our instruction.

The price to change the battery in key can run anywhere $50-600 depending on the make and the service station.

Keyless entry remote batteries in Toyota Corolla should be replaced every 3-4 years, also this will vary based on usage and quality. If your key fob shortened signal strength, you should change batteries before it stop close doors and make problems for you.

These signs will warn you that it's possible time to change battery in your Toyota Corolla: signal strength reduced, low key battery indicator on dashboard, multiple clicks to unlock or lock doors required and key fob buttons not working.
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Fob Compatibility:

  1. FCC ID: BAB237131-056
  2. Models: 1998-2006 Toyota Corolla