2004 Subaru Legacy Key Fob Battery Replacement Guide

2004 Subaru Legacy Key Fob Battery Replacement Guide

If your auto remote key fob isn't unlock doors correct, the cell battery most likely must to be replaced. It's not difficult to change the battery in your remote key fob, and it’s easier than you think. All you need is described in this post.

What size battery does 2004 Subaru Legacy key fob required

Prior to open keyless entry remote make sure that you have all recommended tools and materials: CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Simple steps to change the battery in your Legacy's key fob

Inside of your remote key fob installed button battery. Delicately try to disassemble your remote key fob with hands or flat head screwdriver. Replace 1 CR2025 battery with flat head screwdriver.

Replace old battery with fresh one CR2025. 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, check that all functions works by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your body two halves together and put it in place by hands from top to bottom. Check your fob case for gaps. If it is not firmly closed try to repeat last step.

Key Fob Battery Replacement 2004 Subaru Legacy Video

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Still not working? Buy new one

FAQ

Remote key fob of Subaru Legacy use 1xCR2025 batteries. Price for CR2025 batteries are under $6 build upon the type, brand and size packaging you buy. Take your old battery to the store, with you to find a proper replacement.

Often, after remote key fob battery replace, reprogramming not required. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 2004 Subaru Legacy key fob yourself. Most hard part is to open fob’s case. It's pretty easy with our step by step guide.

The cost to change the battery in key fob can run anywhere $50-600 depending on the brand and the service pricing.

You should replace batteries inside remote key fob of Subaru Legacy at least every three years. The lifetime of battery differ on usage time, quality and operating conditions.

If your Legacy need multiple clicks to unlock or lock doors, key fob buttons not working, fob's battery more than 4 years old or signal strength reduced, in most cases battery change in remote key fob needed. Installed battery is weak or dead with a high probability, but if it's not help to fix issues, fob change or repair needed.
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Fob Compatibility:

  1. FCC ID: NHVWB1U711
  2. Models: 1999-2009 Subaru Legacy