1991 Toyota 4Runner Key Fob Battery Replacement Instructions

1991 Toyota 4Runner Key Fob Battery Replacement Instructions

If your auto remote key fob is no longer open doors properly, the cell battery most likely needs to be replaced. Below, we outlined how to open your car keyless entry remote and change your Toyota key battery.

What size battery does 1991 Toyota 4Runner remote key fob required

Replacing battery in key fob require flat head screwdriver, phillips head screwdriver and 1 CR2025 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • phillips head screwdriver
  • flat head screwdriver
  • 1xCR2025 battery

Simple steps to replace the battery in your 4Runner's key fob

A small button battery installed inside the your keyless entry remote. Remove fasteners on the back of the keyless entry remote. Flip the remote key fob over and find for at least 1 screw holding in the plastic.

Accurately try to disassemble your key with pry tools. Change CR2025 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Battery must be placed with the same polarity as was an old. Your key will not work if you by mistake place battery wrong way.

Before assembling keyless entry fob's case, make sure that everything is functioning by testing buttons on remote key fob.

The last thing to do is put your cover back on fob. Accurately try to assemble the pieces in place by hands from top to bottom. If your keyless entry remote body firmly closed, we done. If not, repeat the last step. Screw fastener in the back of the key fob.

How to replace the battery video instruction

How To Replace Toyota 4 Runner Key Fob Battery 1990 1991 1992 1993 1994

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Toyota 4Runner require 1xCR2025 batteries. Most CR2025 batteries are under $6 depending on the brand, type and size packaging you buy. Take your old battery to the store, to be sure.

Keyless entry remote in most of cases do not need to be reprogrammed 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 key fob battery is simple to do in 1991 Toyota 4Runner. Most of car manufacturers think about clients and make a special hole for keyless entry remote disassembly.

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

Remote key fob batteries in Toyota 4Runner should be replaced every 4 years, although this will vary based on their amount of use and quality. If your remote key fob decreased signal strength, you should change batteries before it stop close doors and make trouble for you.

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

  1. FCC ID: BAB237131-022
  2. Models: 1990-1997 Toyota 4Runner