How to Replace the Battery in a 2017 Lexus RC 350 Key Fob

How to Replace the Battery in a 2017 Lexus RC 350 Key Fob

Keyless entry remote grant easy access to your car. Once the keyless entry remote battery is weak you’ll not to be able close car from distance. Below, we explained how to disassembly your remote key fob and change your Lexus key battery step by step.

What is the battery keyless entry remote use

Prior to open remote key fob make sure that you have all required tools and materials: flat head screwdriver and one CR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to change the battery in your car's key fob

A tiny coin cell battery installed inside the your key fob. Move the key out of the way if it is in the remote key fob.

Carefully try to disassemble your key with flat head screwdriver. Change CR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you connect battery wrong way.

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

The last thing to do is put your cover back on fob. Gently try to assemble the pieces together by hands from top to bottom. Check your remote key fob case for gaps. If it is not firmly closed try to repeat last step.

Video of keyless entry remote disassembly

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

Still not working? Buy new one

FAQ

Key fob of Lexus RC 350 require 1xCR2032 batteries. Most CR2032 batteries are under $4 depending on the brand, size packaging and type you buy. Take your old battery to the store, to be sure.

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

Yes, you can replace battery in your 2017 Lexus RC 350 key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our guide.

Dealer service price for replace the battery in key is from 50 to 600 dollars depending on the brand.

You should replace batteries inside keyless entry remote of modern cars at least every 4 years. The term of battery vary on frequency of use, quality and operating conditions.

These signs will alert you that it's possible time to change battery in your Lexus RC 350: you didn't change battery more than 4 years, key fob buttons not working, low key battery indicator on dashboard and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: HYQ14FBA
  2. Models: 2015-2019 Lexus RC350