How to Open Your 2005 Mitsubishi Lancer Key Fob and Change Battery

How to Open Your 2005 Mitsubishi Lancer Key Fob and Change Battery

If your car remote key fob isn't open doors perfectly, the battery probably must to be changed. In this post, we demonstrate how to disassembly Mitsubishi keyless entry remote and change a dead battery yourself. If you decide to do it at home near Lancer, follow our guide, but first make sure you have all you need before you start.

What kind of battery keyless entry remote require

Changing battery in remote key fob require 1xCR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step guide

Inside of your keyless entry remote installed coin cell battery. Accurately try to open your key with pry tools. Change one CR2032 battery with flat head screwdriver.

Now it's time to install new battery in 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 polarity on battery, by "+" mark.

Before assembling fob’s case, make sure that everything working good by pressing buttons on circuit board.

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

How to replace the battery video guide

DIY - Key Battery Mitsubishi Battery Change / Lance / Eclipse / Galant

Still not working? Buy new one


Keyless entry remote of Mitsubishi Lancer require 1xCR2032 batteries. Price for CR2032 batteries are under $6 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.

Usually, after keyless entry remote battery replace, you do not need to reprogram. Key fob reprogramming procedure often described in user's manual of your vehicle.

Changing your remote key fob battery is easy to do in 2005 Mitsubishi Lancer. Most of car manufacturers think of the customers and make a special hole for keyless entry remote open.

Auto repair shop's pricing for change the battery in key fob is from $30 to as high as $500 depending on the car.

Keyless entry remote batteries in Mitsubishi Lancer should be changed once in three years, but this will vary based on their amount of use and battery quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop open doors and make problems for you.

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

  1. FCC ID: OUCG8D-525M-A
  2. Models: 2002-2008 Mitsubishi Lancer