How to Open Your 2005 Lexus LS 430 Key Fob and Change Battery

How to Open Your 2005 Lexus LS 430 Key Fob and Change Battery

Key fob grant easy access to your LS 430. When the keyless entry remote battery is weak or dead you not to be able lock car from distance. Yes, it is possible to change the battery in your key fob with our guide. All you need is explained in this article.

What type battery does 2005 Lexus LS 430 keyless entry remote take

Before you start to disassembly key fob make sure that you have all required tools and materials: flat head screwdriver and CR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step guide

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

Delicately try to pry apart your remote key fob with flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's shell. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

After the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s body in reverse order.

At this point squeeze fob’s back cover together. Line your case pieces together and assemble it together by hands from top to bottom. Inspect your remote key fob case for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2005 Lexus LS 430 Video

Lexus LS430 Key Fob Battery Replacement - EASY DIY

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Lexus LS 430 use 1xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the type, size packaging and brand you buy. You can take old battery to the store, to be sure.

Keyless entry remote in most of cases reprogramming not needed after battery replace. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your remote key fob battery is simple to do in 2005 Lexus LS 430. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

Car service cost for change the battery in remote key fob is from $30 to as high as $500 depending on the car.

You should replace batteries inside key fob of Lexus LS 430 at least every 4 years. The term of battery vary on usage time, quality and operating conditions. Famous brands cells normally will last longer.

If your car need multiple clicks to unlock or lock doors, signal strength reduced, has low key battery indicator on dashboard or key fob buttons not working, it's probably battery replace in keyless entry remote needed. Installed battery is dead with a high probability, but if it's not fix, fob change or repair required.
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Fob Compatibility:

  1. FCC ID: HYQ12BZE
  2. Models: 2002-2006 Lexus LS 430