Replace Key Fob Batteries

How to Open Your 2018 Lexus RC 350 Key Fob and Change Battery

How to Open Your 2018 Lexus RC 350 Key Fob and Change Battery

If your auto keyless entry remote is no longer unlock doors well, the battery more likely needs to be changed. Below, we described how to open your car remote key fob and replace your Lexus key battery step by step.

What type battery does 2018 Lexus RC 350 keyless entry remote take

Don't forget before disassembly keyless entry remote be sure that you have all required tools and materials: flat head screwdriver and CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

A coin battery installed in the your keyless entry remote. Remove any internal key before you try to pry apart the remote key fob.

Accurately try to open your key with flat head screwdriver. Remove 1 CR2032 battery with flat head screwdriver.

Change old battery with new one CR2032. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

After the new battery installed, verify keyless entry remote functionality by pressing buttons. If everything is functioning, assemble your fob’s body in reverse order.

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

Video of keyless entry remote opening

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

Still not working? Buy new one

Frequently Asked Questions

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

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

Replacing your remote key fob battery is simple to do in 2018 Lexus RC 350. Most of car manufacturers think about customers and make a special hole for keyless entry remote open.

The price to change the battery in keyless entry remote is in range from $30 to as high as $500 depending on the brand and the service pricing.

You should change batteries inside key fob of Lexus RC 350 at least once in 3-4 years. The term of battery vary on frequency of use, operating conditions and quality. Lithium cells usually will last longer.

If your Lexus has low key battery indicator on dashboard, fob's battery more than 4 years old, key fob buttons not working or signal strength reduced, it's probably battery change in key fob required. Current battery is weak or dead with a high probability, but if it's not help, remote 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: 2015-2019 Lexus RC350