How to Open Your 2001 Lexus LS 430 Key Fob and Change Battery

How to Open Your 2001 Lexus LS 430 Key Fob and Change Battery

If your auto keyless entry remote is not unlock doors correct, the cell battery most likely needs to be replaced. Below, we outlined how to disassembly your remote key fob and change your Lexus key battery step by step.

What size battery does 2001 Lexus LS 430 remote key fob required

Replacing battery in key fob require flat head screwdriver and one CR1616 battery. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • flat head screwdriver
  • 1xCR1616 battery

Step by step instruction

Inside of your keyless entry remote installed button battery. Gently try to disassemble your keyless entry remote with pry tools. Remove 1xCR1616 battery with flat head screwdriver.

Get new battery and install it inside 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.

Before assembling fob’s case, check that all functions works by pressing buttons on remote key fob.

The last thing to do is put your cover back on fob. Gently try to assemble the two halves together by hands from top to bottom. If your keyless entry remote case firmly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2001 Lexus LS 430 Video

Lexus LS430 Key Fob Battery Replacement - EASY DIY

Still not working? Buy new one


Keyless entry remote of Lexus LS 430 use 1xCR1616 batteries. Price for CR1616 batteries are under $5 build upon 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 change. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can replace battery in your 2001 Lexus LS 430 keyless entry remote yourself. Most hard part is to open fob’s case. It's pretty simple with our guide.

The cost to replace the battery in key fob is in range from $30 to as high as $500 depending on the brand and the service station.

Remote key fob batteries in Lexus LS 430 should be replaced once in four years, also this will vary based on their amount of use and quality. If your remote key fob shortened signal strength, you should change batteries before it stop working and make problems for you.

If your auto key fob buttons not working, fob's battery more than 4 years old, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, it's probably battery replace in key fob needed. Installed battery is weak or dead with a high probability, but if it's not help to fix issues, key fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: HYQ12BBK | NI412BBB
  2. Models: 2001-2006 Lexus LS 430