How to Replace the Battery in a 2012 Lexus IS 250 Key Fob

How to Replace the Battery in a 2012 Lexus IS 250 Key Fob

Key fob grant easy access to your IS 250. When the key fob battery is weak you lose your keyless entry fob's ability to use distance opportunities. In this article, we explained how to open your keyless entry remote and replace your Lexus key battery.

What type battery does 2012 Lexus IS 250 key fob required

Prior to disassembly remote key fob check all that you need: one CR1632 battery and flat head screwdriver.
  • 1xCR1632 battery
  • flat head screwdriver

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

A tiny button battery installed inside the your key fob. Remove any internal key before you try to pry apart the key fob.

Gently try to disassemble your fob with hands or flat head screwdriver. Remove one CR1632 battery with flat head screwdriver.

Change old battery with fresh one CR1632. 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 position on battery, by "+" mark.

When the new battery installed, check remote key fob by pressing buttons. If everything working properly, assemble your fob’s case in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your shell pieces together and assemble it in place by hands from top to bottom. If your fob body tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2012 Lexus IS 250 Video

How to ● Lexus Key Fob Remote Keyless Battery Replace HS, ES, GS, LS, IS, GX, CT

Still not working? Buy new one


Remote key fob of Lexus IS 250 require 1xCR1632 batteries. Most CR1632 batteries are under $6 build upon the type, size packaging and brand you buy. You can take old battery to the store, to find a proper replacement.

Remote 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.

Yes, you can replace battery in your 2012 Lexus IS 250 key fob yourself. Most hard part is to open fob’s case. It's pretty simple with our step by step guide.

Car service price for change the battery in keyless entry remote is from $30 to as high as $500 depending on the car.

Keyless entry remote batteries in Lexus IS 250 should be changed every 3-4 years, but this will differ based on usage and build quality. If your key fob shortened signal strength, you should replace batteries before it stop close doors and make trouble for you.

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

  2. Models: 2009-2013 Lexus IS 250