How to Replace the Battery in a 2008 Subaru Legacy Key Fob

How to Replace the Battery in a 2008 Subaru Legacy Key Fob

If your auto key fob is no longer unlock doors well, the battery probably must to be replaced. It's not difficult to replace the battery in your key fob DIY. All you need is described below.

What type battery does 2008 Subaru Legacy remote key fob take

Don't forget before disassembly remote key fob check all that you need: 1 CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step guide

A small coin battery installed in the your keyless entry remote. Delicately try to open your keyless entry remote with hands or flat head screwdriver. Change CR2025 battery with flat head screwdriver.

Get new battery and install it in keyless entry fob's case. 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.

Before assembling fob’s case, verify that everything working fine by pressing buttons on key fob.

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

Key Fob Battery Replacement 2008 Subaru Legacy Video

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Still not working? Buy new one


Key fob of Subaru Legacy use 1xCR2025 batteries. Most CR2025 batteries are under $5 depending on the type, size packaging and brand you buy. You can take old battery to the store, with you to find a proper replacement.

Usually, after key battery change, reprogramming not required. Key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your remote key fob battery is easy to do in 2008 Subaru Legacy. Most of car manufacturers think about clients and make a special hole for remote key fob open.

The price to change the battery inside key fob can run anywhere from $30 to as high as $500 depending on the brand and the service station.

You should change batteries inside remote key fob of Subaru Legacy at least once in four years. lifespan of battery differ on their amount of use, operating conditions and quality. Famous brands cells usually will last longer.

If your Subaru has low key battery indicator on dashboard, key fob buttons not working, signal strength reduced or fob's battery more than 4 years old, in most cases battery change inside key fob required. Installed battery is discharged with a high probability, but if it's not help to fix issues, key change or repair needed.
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Fob Compatibility:

  1. FCC ID: NHVWB1U711
  2. Models: 2005-2010 Subaru Legacy