How to Open the Mazda Key Fob and Replace a Dead Battery.

Thumb on key fob

Using the Mazda key fob to access the remote start, push button start, and keyless entry technologies is a convenience most Manteca and Stockton drivers don’t want to give up. Should these features stop working, it helps to know how to replace the Mazda key fob battery. Before you start, be sure you have everything you need to change the battery properly:

  1. A replacement battery on hand (CR2025 battery)
  2. Your Mazda key fob
  3. A small flat head screwdriver with the head wrapped in tape to prevent scratches

Opening Your Mazda Key Fob

Once you learn to open the Mazda CX-5 key fob, you’re set to open any Mazda key fob. The process is similar, whether it’s a Mazda6 key fob or one for the Mazda CX-9. Explore the steps on how to open the Mazda key fob with us and change the battery in no time:

  1. Press the auxiliary key button on the back of your key fob in order to remove the metal auxiliary key.
  2. With the metal key gone, you’ll notice a slot on either side of the key fob case.
  3. Use the tape-wrapped flathead screwdriver to pry open the case, first on one side, and then on the other. Work gently.
  4. This should remove the case. Place the latter in an easily-visible spot where you won’t lose track of it.

Replacing Your Mazda Key Battery

With the Mazda key fob open, and the battery revealed, you can replace the Mazda key battery. Here are the steps you’ll need to take in order to do so:

  1. Remove the battery cap, and set it next to your key fob case.
  2. Your Mazda key fob battery should be fully exposed. Remove it, being careful not to damage the small rubber ring that it sits upon.
  3. If you scratched or damaged the rubber ring, it’s important to replace this component before moving on.
  4. With the ring in place, take your new replacement battery and set it in its place in the key fob. The positive (+) side should be up, facing you.
  5. Return the battery cover to its proper place, and then reattach both sides of the key fob case. Press until you hear them click into place.

Have the Service Team at Tracy Mazda Help!

If replacing the battery is something you’d rather not do yourself, bring it to our service center and our team can help. We can even show you how to open the key fob yourself the next time the battery needs to be changed. To schedule a service appointment, learn about the Mazda maintenance schedule, or if you have any questions in the meantime, contact us at Tracy Mazda.

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Service

Phone: 888-470-5521

2680 Auto Plaza Dr Tracy, CA
37.7620885 -121.4676856
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2680 Auto Plaza Dr
Tracy, CA, 95304 United States
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Tracy Mazda 37.7620885, -121.4676856.