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How Do You Open the Mazda Key Fob & Change a Dead Battery?

2020 Mazda CX-30

 


The Mazda Connected Services suite is a major convenience for many Oshkosh driver s— but what happens if remote access stops working and you don’t know how to change the battery in your Mazda key fob? That’s why we recommend learning how to open your Mazda6 key fob yourself! To get started, you’ll need:

  1. A replacement CR2025 battery
  2. Your Mazda key fob
  3. A small flathead screwdriver, with the head wrapped in tape to prevent scratches

How to Open Your Mazda Key Fob

No matter what Mazda model you drive in Appleton, learning how to change the battery in a Mazda key fob starts with opening the fob casing to reveal the battery. Follow these steps:

  1. Press the auxiliary key button on the back of your key fob. This will release the emergency key, which you can now pull out from the bottom of the fob. You can use this key to access your vehicle if your key fob battery is dead.
  2. With the emergency key removed, you’ll see a slot on either side of the fob casing.
  3. Gently pry open the two halves of the casing with the tape-wrapped flathead screwdriver.
  4. That’s it — now you know how to open a Mazda key fob! Set aside the fob casing where you won’t lose it.

How to Change the Battery in a Mazda Key Fob

Now that you know how to open a Mazda6 key fob, you’re halfway there. Next,we’ll go over how to change the battery in your Mazda key fob in a few simple steps:

  1. Remove the battery cap, and set it aside with the key fob casing.
  2. At this point, you should have a clear view of the key fob battery. Making sure not to damage the small rubber ring underneath, remove it carefully.
  3. If you do scratch the rubber ring underneath the battery, it needs to be replaced before you proceed with learning how to open your Mazda key fob. Not to worry — ordering Mazda parts and components from our online parts center takes just a few minutes!
  4. Set the replacement battery in place with the positive side facing up.
  5. Replace the battery cover, and press the key fob halves together until they snap into place.

Find Expert Mazda Service in Fond du Lac

No time to learn how to open your Mazda key fob? We’re happy to take care of it when you schedule service at Holiday Mazda! Beaver Dam-area drivers are welcome to contact us for more info about Mazda service coupons, or for expert service tips on all your DIY auto maintenance projects.

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