How to Replace the Battery in a 2012 Subaru Forester Key Fob

How to Replace the Battery in a 2012 Subaru Forester Key Fob

Keyless entry remote grant access to your Subaru. If the keyless entry remote battery is weak or dead you lose your keyless entry fob's ability to control distance functions. In this case, you’ll benefit from knowing how to open your car key fob and change a discharged battery yourself. If you choose to do it at home near Forester, use this guide, but first make sure you have all you need before you start.

What kind of battery key fob require

Before starting open key fob check all that you need: 1 CR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Step by step instruction

Inside of your remote key fob installed coin battery. Accurately try to open your fob with flat head screwdriver. Remove 1xCR2025 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's shell. Be sure to connect the battery the right way around in a circuit. Your key fob will not work if you place battery wrong way.

When the new battery installed, verify keyless entry remote functionality by pressing buttons. If all functions works, assemble your fob’s body in reverse order.

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

Key Fob Battery Replacement 2012 Subaru Forester Video

How to Replace Your Car Key Battery | Subaru

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Subaru Forester require 1xCR2025 batteries. Price for CR2025 batteries are under $5 build upon the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

Remote key fob in most of cases reprogramming not required after battery replace. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can change battery in your 2012 Subaru Forester keyless entry remote yourself. Most difficult part is to open fob’s case. It's pretty simple with our step by step guide.

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

You should replace batteries inside key fob of Subaru Forester at least every 4 years. The lifetime of battery differ on frequency of use, operating conditions and quality.

These symptoms will warn you that it's perhaps time to change battery in your Subaru Forester: low key battery indicator on dashboard, key fob buttons not working, you didn't change battery more than 4 years and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: CWTWB1U819
  2. Models: 2011-2014 Subaru Forester