How to Open Your 2005 Lexus GS 300 Key Fob and Change Battery

How to Open Your 2005 Lexus GS 300 Key Fob and Change Battery

If your Lexus key fob isn't open doors properly, the battery more likely must to be changed. In this article, we walks you through how to open your keyless entry remote and change your Lexus key battery.

What kind of battery remote key fob use

Before going to open keyless entry remote make sure that you have all recommended tools and materials: flat head screwdriver and one CR1632 battery.
  • 1xCR1632 battery
  • flat head screwdriver

Simple steps to change the battery in your GS 300's remote key fob

Inside of your remote key fob installed tiny button cell battery. Remove any internal key before you try to pry apart the keyless entry remote.

Delicately try to pry apart your fob with hands or flat head screwdriver. Change 1 CR1632 battery with flat head screwdriver.

Replace 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.

After the new battery installed, verify keyless entry remote by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.

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

Key Fob Battery Replacement 2005 Lexus GS 300 Video

How to ● Lexus Key Fob Remote Keyless Battery Change/Replace and Broken Casing

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Lexus GS 300 require 1xCR1632 batteries. Price for CR1632 batteries are under $4 build upon the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

Usually, after key fob battery change, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Changing your keyless entry remote battery is simple to do in 2005 Lexus GS 300. Most of car manufacturers think about customers and make a special hole for remote key fob open.

The price to replace the battery in keyless entry remote is in range from $30 to as high as $500 depending on the make and the service station.

You should replace batteries inside remote key fob of modern cars at least once in three or four years. The term of battery differ on usage time, operating conditions and quality. Famous brands cells normally will last longer.

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

  2. Models: 2005-2008 Lexus GS300