How to Replace the Battery in a 2012 Mitsubishi Lancer Key Fob

How to Replace the Battery in a 2012 Mitsubishi Lancer Key Fob

If your Lancer keyless entry remote is not unlock doors correct, the cell battery most likely needs to be replaced. Yes, it is possible to replace the battery in your key fob, and it’s easier than you think. All tools, that you need is described below.

What is the battery keyless entry remote use

Changing batteries in remote key fob require two CR2032 batteries and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • flat head screwdriver
  • 2xCR2032 batteries

Step by step guide

Inside of your keyless entry remote installed tiny button battery. Remove any internal key before you try to pry apart the key fob.

Carefully try to pry apart your keyless entry remote with hands or flat head screwdriver. Change two CR2032 batteries with flat head screwdriver.

Change old batteries with new one CR2032. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you connect battery wrong way.

After the new batteries installed, check keyless entry remote by pressing buttons. If everything working properly, assemble your keyless entry fob's case in reverse order.

The last thing to do is put your cover back on fob. Accurately try to put the pieces together by hands from top to bottom. If your keyless entry remote body tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2012 Mitsubishi Lancer Video

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

Still not working? Buy new one


Keyless entry remote of Mitsubishi Lancer require 2xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the brand, size packaging and type you buy. Take your old battery to the store, to find a proper replacement.

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

Yes, you can change battery in your 2012 Mitsubishi Lancer keyless entry remote yourself. Most hard part is to disassembly fob’s case. It's pretty easy with our guide.

Dealer service pricing for replace the battery in key is from $30 to as high as $500 depending on the make.

You should change batteries inside key fob of modern cars at least once in 3-4 years. lifespan 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, signal strength reduced, need multiple clicks to unlock or lock doors or has low key battery indicator on dashboard, in most cases battery change inside keyless entry remote required. Current battery is discharged with a high probability, but if it's not fix, key replace or repair required.
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Fob Compatibility:

  1. FCC ID: WKE-PZ113-04021
  2. Models: 2012-2015 Mitsubishi Lancer