How to Replace a Subaru Key Fob Battery

Is your key fob giving you issues? Maybe you’ve noticed that it’s working sporadically or not at all? No need to worry! No matter what type of key fob you have, replacing the battery can be done in a few simple steps and should take just a couple of minutes. Let our Subaru of Morristown dealer in New Jersey explain how!

Replacing the Battery in Your Subaru Key Fob

The techniques used to open the fob differ slightly depending on the specific key fob you own – whether it’s a traditional key or a keyless push-button start fob. Each remote also uses different types of batteries so it’s important to understand which type of key fob your vehicle uses to ensure that you’re purchasing the corresponding battery. Trust me, the last thing you’ll want to do is to get your key fob taken apart, just to realize you bought the wrong battery and will now need to make an additional trip to the convenience store.

Once you have the correct battery, the next steps are simple: 

Keyless Fobs

Battery needed: 2032 watch battery

  • There should be a small silver button on the back of your key fob. You will want to click that button to remove the glove box/door key – this will help you with the next step. 
  • By either using the glove box key, a flathead screwdriver or a butter knife, pry open the key fob and you will notice that it essentially splits in half. 
  • Once you’ve opened up your key fob, you should see the battery right away. Simply remove the battery and replace it with the new one. 
  • From there, just put the key fob back together, ensuring that everything clicks back into place. There you have it, you’ve successfully changed your own key fob battery. 

Standard Key Remotes

Battery needed: 1620 watch battery

  • Begin by finding the small opening located at the base of the key fob. 
  • Pry open the key fob by inserting either a flathead screwdriver or a butter knife. 
  • Once separated, you’ll notice there are small tabs located near the panic button. Press those buttons to expose the battery housing. 
  • Replace the dead battery with your new size 1620 watch battery. 
  • Put the key fob back together and test it to ensure that it works.

For more information about how to swap out your key fob batteries or to browse the inventory of our parts department, please don’t hesitate to contact Subaru of Morristown serving the New Jersey area today!

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