Replace Key Fob Batteries

2016 Lexus IS 350 Key Fob Battery Replacement Guide

2016 Lexus IS 350 Key Fob Battery Replacement Guide

If your IS 350 remote key fob is no longer working properly, the battery more likely must to be replaced. In this article, we outlined how to disassembly your car keyless entry remote and replace your Lexus key battery step by step.

What size battery does 2016 Lexus IS 350 remote key fob take

Replacing battery in keyless entry remote require flat head screwdriver and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

Inside of your keyless entry remote installed tiny coin cell battery. Remove any internal key first, and then try to pry apart the remote key fob.

Gently try to open your key fob with hands or flat head screwdriver. Remove one CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Battery must be installed with the same polarity as was an old. Your remote key fob will not work if you mistakenly put battery wrong way.

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

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. Inspect your remote key fob body for gaps. If it is not firmly closed try to repeat last step.

Video of key fob disassembly

DIY - LEXUS How to change SmartKey Key fob Battery on Lexus RX350 ES350 RX450

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Lexus IS 350 require 1xCR2032 batteries. Price for CR2032 batteries are under $4-6 depending on the brand, type and size packaging you buy. You can take old battery to the store, to be sure.

Key fob in most of cases reprogramming not required after battery replace. If your key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2016 Lexus IS 350 key yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty easy with our step by step guide.

The price to change the battery in fob is in range $50-600 depending on the make and the service station.

You should change batteries inside remote key fob of Lexus IS 350 at least every 4 years. lifespan of battery differ on frequency of use, quality and operating conditions.

If your auto need multiple clicks to unlock or lock doors, signal strength reduced, has low key battery indicator on dashboard or fob's battery more than 4 years old, it's probably battery replace in remote key fob needed. Current battery is weak or dead with a high probability, but if it's not help, key fob replace 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: HYQ14FBA
  2. Models: 2014-2019 Lexus IS350