How to Replace the Battery in a 1998 Lexus ES 300 Key Fob

How to Replace the Battery in a 1998 Lexus ES 300 Key Fob

Keyless entry remote allow access to your car. Once the key battery is weak you’ll not to be able lock doors remotely. Below, we described how to disassembly your car key fob and replace your Lexus key battery step by step.

What kind of battery keyless entry remote require

Changing battery in key fob require flat head screwdriver and one CR2016 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
  • 1xCR2016 battery

Step by step guide

A small coin cell battery installed inside the your remote key fob. Carefully try to disassemble your keyless entry remote with flat head screwdriver. Change one CR2016 battery with flat head screwdriver.

Get new battery and install it inside keyless entry fob's case. 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.

After the new battery installed, verify remote key fob by pressing buttons. If everything working fine, assemble your keyless entry fob's body in reverse order.

The last thing to do is put your cover back on fob. Gently try to put the two halves together by hands from top to bottom. Inspect your keyless entry remote case for gaps. If it is not tightly closed try to repeat last step.

How to change the battery video instruction

How to ● Lexus Key Fob Remote Keyless Battery Change/Replace and Broken Casing

Still not working? Buy new one


Key fob of Lexus ES 300 use 1xCR2016 batteries. Most CR2016 batteries are under $4-6 depending on the size packaging, brand and type you buy. Take your old battery to the store, to find a proper replacement.

Remote key fob in most of cases reprogramming not required after battery change. If your keyless entry remote not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your key fob battery is simple to do in 1998 Lexus ES 300. Most of car manufacturers think of the customers and make a special hole for remote key fob disassembly.

Car service price for change the battery in key fob is $50-600 depending on the make.

Key fob batteries in Lexus ES 300 should be replaced once in three years, but this will vary based on their amount of use and build quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop open doors and make trouble for you.

These signs will warning you that it's probably time to change battery in your Lexus ES 300: multiple clicks to unlock or lock doors required, you didn't change battery more than 4 years, key fob buttons not working and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: HYQ1512P
  2. Models: 1997-1999 Lexus ES 300