Replace Key Fob Batteries

How to Replace the Battery in a 2000 Lexus GS 400 Key Fob

How to Replace the Battery in a 2000 Lexus GS 400 Key Fob

If your auto keyless entry remote is no longer working correct, the cell battery surely needs to be replaced. In this article, we described how to open your car key fob and change your Lexus key battery.

What type battery does 2000 Lexus GS 400 key fob take

Before you start to disassembly remote key fob be sure that you have all required tools and materials: one CR1616 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR1616 battery

Step by step guide

A small button cell battery installed in the your remote key fob. Carefully try to disassemble your remote key fob with flat head screwdriver. Remove 1 CR1616 battery with flat head screwdriver.

Change old battery with new one CR1616. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.

Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on keyless entry remote.

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

Video of key fob disassembly

How to â—Ź Lexus Key Fob Remote Keyless Battery Change/Replace and Broken Casing

Still not working? Buy new one

FAQ

Remote key fob of Lexus GS 400 require 1xCR1616 batteries. Most CR1616 batteries are under $6 depending on the size packaging, brand and type you buy. You can take old battery to the store, to be sure.

Usually, after key fob battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your remote key fob battery is easy to do in 2000 Lexus GS 400. Most of car manufacturers think of the customers and make a special hole for remote key fob disassembly.

Car service price for change the battery in key is $50-600 depending on the car.

You should replace batteries inside keyless entry remote of Lexus GS 400 at least every 3-4 years. The term of battery differ on usage time, operating conditions and quality. Lithium cells usually will last longer.

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

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Lexus Models:

Fob Compatibility:

  1. FCC ID: HYQ1512V
  2. Models: 1998-2000 Lexus GS 400