2003 Mitsubishi Montero Key Fob Battery Replacement Instructions

2003 Mitsubishi Montero Key Fob Battery Replacement Instructions

If your auto remote key fob isn't unlock doors well, the battery most likely needs to be replaced. It's not complicated to change the battery in your remote key fob with our instruction. All you need is outlined in this post.

What is the battery remote key fob require

Before beginning disassembly key fob check all that you need: flat head screwdriver and one CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

Inside of your keyless entry remote installed tiny button cell battery. Delicately try to open your fob with flat head screwdriver. Remove 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery inside fob’s body. 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 fob’s case, verify that everything working properly by testing buttons on circuit board.

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

How to replace the battery video guide

How To Replace Mitsubishi Montero Key Fob Battery 2002 2003

Still not working? Buy new one


Keyless entry remote of Mitsubishi Montero require 1xCR2032 batteries. Most CR2032 batteries are under $6 build upon the brand, type and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Often, after keyless entry remote battery change, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your remote key fob battery is easy to do in 2003 Mitsubishi Montero. Most of car manufacturers think about customers and make a special hole for key fob disassembly.

Dealer service cost for change the battery in key is from 50 to 600 dollars depending on the car.

Keyless entry remote batteries in Mitsubishi Montero should be replaced every three years, but this will differ based on usage and quality. If your remote key fob decreased signal strength, you should change batteries before it stop open doors and make trouble for you.

These symptoms will warn you that it's probably time to change battery in your Mitsubishi Montero: signal strength reduced, low key battery indicator on dashboard, key fob buttons not working and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: OUCG8D-525M-A
  2. Models: 2000-2006 Mitsubishi Montero