2003 Subaru Impreza Key Fob Battery Replacement Guide

2003 Subaru Impreza Key Fob Battery Replacement Guide

If your Subaru key is not unlock doors well, the cell battery likely must to be changed. Yes, it is possible to replace the battery in your remote key fob, and it’s easier than you think. All you need is explained in this article.

What is the battery remote key fob use

Replacing battery in remote key fob require flat 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.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step guide

A button battery installed inside the your key fob. Carefully try to open your key with flat head screwdriver. Replace 1xCR2025 battery with flat head screwdriver.

Change old battery with new one CR2025. 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.

After the new battery installed, check key fob by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.

The last thing to do is put your cover back on fob. Gently try to assemble the two halves together by hands from top to bottom. If your fob shell firmly closed, we done. If not, repeat the last step.

How to change the battery video guide

How To Replace Subaru Impreza Key Fob Battery 2001 2002 2003 2004 2005

Still not working? Buy new one

FAQ

Keyless entry remote of Subaru Impreza require 1xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the size packaging, brand and type you buy. You can take old battery to the store, to find a proper replacement.

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

Yes, you can change battery in your 2003 Subaru Impreza keyless entry remote yourself. Most difficult part is to open fob’s case. It's pretty simple with our guide.

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

Keyless entry remote batteries in Subaru Impreza should be replaced once in 3-4 years, although this will differ based on usage and quality. If your remote key fob shortened signal strength, you should replace batteries before it stop close doors and make problems for you.

If your car has low key battery indicator on dashboard, need multiple clicks to unlock or lock doors, fob's battery more than 4 years old or key fob buttons not working, it's probably battery change inside remote key fob needed. Installed battery is weak with a high probability, but if it's not help to fix issues, remote key fob change or repair required.
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Fob Compatibility:

  1. FCC ID: NHVWB1U711
  2. Models: 1999-2010 Subaru Impreza