How to Open Your 2018 Toyota 4Runner Key Fob and Change Battery

How to Open Your 2018 Toyota 4Runner Key Fob and Change Battery

If your 4Runner keyless entry remote isn't unlock doors perfectly, the cell battery probably needs to be replaced. In this article, we outlined how to disassembly your car key fob and replace your Toyota key battery.

What size battery does 2018 Toyota 4Runner remote key fob take

Changing battery in keyless entry remote require flat head screwdriver and 1xCR1632 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • flat head screwdriver
  • 1xCR1632 battery

Simple steps to change the battery in your 4Runner's keyless entry remote

Inside of your key fob installed coin cell battery. Remove any internal key first, and then try to pry apart the remote key fob.

Carefully try to open your keyless entry remote with hands or flat head screwdriver. Remove CR1632 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's body. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.

Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on keyless entry remote.

At this point squeeze fob’s back cover together. Line your case pieces together and assemble it together by hands from top to bottom. If your fob body firmly closed, we done. If not, repeat the last step.

How to replace the battery video guide

How to Change/Replace Toyota 4Runner Key Fob Keyless Remote Battery

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Toyota 4Runner require 1xCR1632 batteries. Price for CR1632 batteries are under $5 depending on the size packaging, type and brand you buy. You can take old battery to the store, with you to find a proper replacement.

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

Replacing your keyless entry remote battery is easy to do in 2018 Toyota 4Runner. Most of car manufacturers think about clients and make a special hole for remote key fob open.

The price to replace the battery in fob is $50-600 depending on the brand and the service pricing.

You should change batteries inside remote key fob of modern cars at least every three years. The lifetime of battery vary on their amount of use, quality and operating conditions. Famous brands cells usually will last longer.

If your car fob's battery more than 4 years old, need multiple clicks to unlock or lock doors, signal strength reduced or key fob buttons not working, in most cases battery replace in remote key fob required. Currently installed battery is dead with a high probability, but if it's not help, fob change or repair required.
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Fob Compatibility:

  2. Models: 2010-2019 Toyota 4Runner