How to Open Your 2003 Pontiac Montana Key Fob and Change Battery

How to Open Your 2003 Pontiac Montana Key Fob and Change Battery

Remote key fob allow easy access to your car. Once the key battery is dead or weak you will lose your fob’s ability to use distance opening function. In this article, we are going to tell you how to open Pontiac remote key fob and replace a discharged battery DIY. If you decide to do it at home near Montana, use this guide, but first make sure you have everything you need before you start.

What type battery does 2003 Pontiac Montana remote key fob required

Don't forget before disassembly key fob be sure that you have all recommended tools and materials: flat head screwdriver and 1xCR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to replace the battery in your car's keyless entry remote

Inside of your keyless entry remote installed tiny button battery. Accurately try to pry apart your key with pry tools. Remove one CR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

When the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your case pieces together and put it together by hands from top to bottom. Inspect your key fob body for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob disassembly

How To Replace Pontiac Montana Key Fob Battery 2002 2003 2004

Still not working? Buy new one

Frequently Asked Questions

Key fob of Pontiac Montana require 1xCR2032 batteries. Most CR2032 batteries are under $5 build upon the type, size packaging and brand you buy. You can take old battery to the store, to be sure.

Usually, after remote key fob battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Replacing your key fob battery is easy to do in 2003 Pontiac Montana. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

The cost to replace the battery inside key is from $30 to as high as $500 depending on the car and the service station.

You should change batteries inside key fob of Pontiac Montana at least every four years. The lifetime of battery differ on frequency of use, quality and operating conditions. Lithium cells usually will last longer.

These symptoms will warn you that it's possible time to change battery in your Pontiac Montana: you didn't change battery more than 4 years, signal strength reduced, key fob buttons not working and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: L2C0007T
  2. Models: 2001-2005 Pontiac Montana