How to Replace the Battery in a 2018 Lexus LS 500 Key Fob

How to Replace the Battery in a 2018 Lexus LS 500 Key Fob

Keyless entry remote grant access to your auto. If the key battery is weak you’ll lose your keyless entry fob's ability to control remote opportunities. It's not complicated to change the battery in your key fob by yourself. Everything you need is explained in this post.

What type battery does 2018 Lexus LS 500 keyless entry remote take

Before beginning disassembly remote key fob check all that you need: flat head screwdriver and 1xCR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

Inside of your keyless entry remote installed small button battery. Remove any internal key before you try to pry apart the remote key fob.

Delicately try to open your fob with pry tools. 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.

When the new battery installed, check key fob functionality by pressing buttons. If everything is functioning, assemble your keyless entry fob's body in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your body two halves together and assemble it together by hands from top to bottom. Inspect your key shell for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2018 Lexus LS 500 Video

2018-19 LEXUS LS500 LS500h Key Fob Battery Replacement - DIY

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Lexus LS 500 require 1xCR2032 batteries. Price for CR2032 batteries are under $6 depending on the size packaging, type and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Often, after keyless entry remote battery change, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your key fob battery is simple to do in 2018 Lexus LS 500. Most of car manufacturers think about customers and make a special hole for remote key fob disassembly.

Auto repair shop's cost for change the battery in keyless entry remote is $50-600 depending on the car.

You should replace batteries inside key fob of Lexus LS 500 at least every three or four years. The lifetime of battery differ on their amount of use, quality and operating conditions. Lithium cells normally will last longer.

These symptoms will warning you that it's probably time to replace battery in your 2018 Lexus LS 500: key fob buttons not working, signal strength reduced, low key battery indicator on dashboard and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  2. Models: 2018-2019 Lexus LS 500