How to Replace the Battery in a 2009 Subaru Legacy Key Fob

How to Replace the Battery in a 2009 Subaru Legacy Key Fob

Keyless entry remote allow access to your car. When the keyless entry remote battery is discharged you not to be able close trunk or doors remotely. In this article, we outlined how to open your car keyless entry remote and replace your Subaru key battery.

What is the battery key fob require

Don't forget before open keyless entry remote check all that you need: CR1620 battery and flat head screwdriver.
  • 1xCR1620 battery
  • flat head screwdriver

Simple steps to replace the battery in your Legacy's keyless entry remote

A tiny coin cell battery installed in the your keyless entry remote. Gently try to pry apart your key fob with flat head screwdriver. Replace CR1620 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Be sure to connect the battery the right way around in a circuit. Your key will not work if you put battery wrong way.

Before assembling keyless entry fob's case, check that everything is functioning by pressing buttons on key fob.

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

Video of key fob opening

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Frequently Asked Questions

Keyless entry remote of Subaru Legacy use 1xCR1620 batteries. Price for CR1620 batteries are under $6 build upon the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

Keyless entry remote in most of cases reprogramming not required after battery change. If your remote key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2009 Subaru Legacy keyless entry remote yourself. Most hard part is to open keyless entry fob's case. It's pretty easy with our instruction.

The cost to replace the battery inside key fob is $50-600 depending on the make and the service station.

Key fob batteries in Subaru Legacy should be changed every three or four years, also this will vary based on their amount of use and quality. If your keyless entry remote reduced signal strength, you should change batteries before it stop open doors and make problems for you.

If your auto has low key battery indicator on dashboard, fob's battery more than 4 years old, need multiple clicks to unlock or lock doors or key fob buttons not working, it's probably battery replace in key fob required. Current battery is weak or dead with a high probability, but if it's not fix problem, remote key fob replace or repair required.
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Fob Compatibility:

  1. FCC ID: CWTWBU766
  2. Models: 2010-2014 Subaru Legacy