2019 Lexus LS 500h Key Fob Battery Replacement Instructions

2019 Lexus LS 500h Key Fob Battery Replacement Instructions

If your Lexus keyless entry remote isn't unlock doors perfectly, the cell battery most likely needs to be replaced. Below, we are going to tell you how to open Lexus key fob and replace a discharged battery DIY. If you decide to do it at home near LS 500h, follow our guide, but don't forget to check tools and materials required before you start.

What size battery does 2019 Lexus LS 500h key fob required

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

Step by step instruction

A tiny button battery installed inside the your remote key fob. Remove any internal key before you try to pry apart the key fob.

Accurately try to open your key with hands or flat head screwdriver. Replace one CR2032 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's shell. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling keyless entry fob's case, verify that all is functioning by testing buttons on circuit board.

The last thing to do is put your cover back on fob. Delicately try to assemble the two halves in place by hands from top to bottom. If your fob case tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2019 Lexus LS 500h Video

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

Still not working? Buy new one


Key fob of Lexus LS 500h use 1xCR2032 batteries. Price for CR2032 batteries are under $4-6 depending on the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

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

Replacing your remote key fob battery is easy to do in 2019 Lexus LS 500h. Most of car manufacturers think about clients and make a special hole for key fob disassembly.

Car service cost for change the battery in remote key fob is from $30 to as high as $500 depending on the car.

Key fob batteries in Lexus LS 500h should be replaced once in four years, but this will differ based on usage and battery quality. If your remote key fob decreased signal strength, you should replace batteries before it stop open doors and make problems for you.

These signs will warn you that it's perhaps time to replace battery in your 2019 Lexus LS 500h: key fob buttons not working, low key battery indicator on dashboard, signal strength reduced and you didn't change battery more than 4 years.
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Fob Compatibility:

  2. Models: 2018-2019 Lexus LS 500h