Replace Key Fob Batteries

How to Open Your 2014 Lexus ES 350 Key Fob & Change Battery

How to Open Your 2014 Lexus ES 350 Key Fob & Change Battery

If your Lexus remote key fob isn't working correct, the battery likely needs to be replaced. In this article, we explained how to disassembly your car keyless entry remote and change your Lexus key battery step by step.

What size battery does 2014 Lexus ES 350 remote key fob required

Before beginning open key fob be sure that you have all recommended tools and materials: one CR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step instruction

A tiny button cell battery installed in the your remote key fob. Remove any internal key first, and then try to pry apart the keyless entry remote.

Carefully try to open your remote key fob with flat head screwdriver. Remove one CR2032 battery with flat head screwdriver.

Replace old battery with fresh one CR2032. Battery must be installed with the same polarity as was a previous. Your key will not work if you by mistake put battery wrong way.

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

The last thing to do is put your cover back on fob. Carefully try to put the pieces 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 disassembly

How To Change The Battery In A Lexus ES350 GS350 Remote Key Fob

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Lexus ES 350 use 1xCR2032 batteries. Price for CR2032 batteries are under $4-6 depending on the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

Usually, after key fob battery change, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2014 Lexus ES 350 key yourself. Most difficult part is to open fob’s case. It's pretty simple with our step by step guide.

Car service cost for replace the battery in key is $50-600 depending on the brand.

Keyless entry remote batteries in Lexus ES 350 should be changed every three or four years, although this will vary based on frequency of use and battery quality. If your key fob shortened signal strength, you should replace batteries before it stop open doors and make problems for you.

If your car signal strength reduced, need multiple clicks to unlock or lock doors, fob's battery more than 4 years old or key fob buttons not working, in most cases battery change in key fob needed. Installed battery is dead with a high probability, but if it's not fix, key fob change or repair needed.
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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: HYQ14FBA
  2. Models: 2013-2018 Lexus ES 350