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1560 Auto Park Way, Escondido, CA, 92029

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Dealership Info

Phone Numbers:Sales Hours:
  • Mon - Sat9:00 AM - 7:00 PM
  • Sun11:00 AM - 5:00 PM
    (We will be closed on Easter (Sunday, April 4, 2021))
Service Hours:
  • Mon - Fri7:00 AM - 6:00 PM
  • Sat - SunClosed
Parts Hours:
  • Mon - Fri7:00 AM - 6:00 PM
  • Sat - SunClosed

How to Open the Mazda Key Fob

Gray Mazda3 parked on the street

Accustomed to using your MAZDA key fob? Then chances are, you’ll miss the convenience of the remote start and keyless entry features when your MAZDA key fob battery dies. In this case, you’ll benefit from knowing how to open the MAZDA key fob and replace a dead battery yourself. If you decide to do it at home near Vista, follow our guide, but first, make sure you have everything you need, including:

  1. A replacement MAZDA key fob battery (CR2025)
  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

Whether you are opening a MAZDA6 key fob or a MAZDA CX-5 key fob, the process of how to open the MAZDA key fob is similar for all recent model years. In order to do so at your Carlsbad home, follow these steps to reveal the MAZDA key fob battery:

  1. Press the auxiliary key button on the back of the key fob in order to remove the metal auxiliary key.
  2. Once the metal key is removed, you’ll notice a slot on either side of the key fob case.
  3. Use the tape-wrapped flathead screwdriver to gently pry open the case, one side at a time.
  4. This should remove the case. Place the latter in a place where you won’t lose track of it.

How to Change the MAZDA Key Fob

Once the key fob is open, you will need to know how to change the MAZDA key fob. Remove the battery cap, set it next to the key fob case, and follow these instructions:

  1. You should see the Mazda key fob battery. Remove it, being mindful of the small rubber ring it sits on.
  2. If the ring is scratched or damaged, it’s important to replace this component.
  3. With the ring in place, take the new MAZDA key fob battery and set it in place with the positive (+) side facing up.
  4. Place the battery cover back in place ,and reattach both sides of the key fob case. Press until you hear a click.
Salesman handing car keys to woman through car window

Let the Mazda of Escondido Service Center Help!

If you’d rather have an experienced technician at our service center walk you through how to change the MAZDA key fob or replace the MAZDA key fob battery for you, bring your MAZDA to us at Mazda of Escondido near San Marcos. If you need other services or would like to know how to unlock a steering wheel at home, we can help with that, as well. View our Mazda service coupons before visiting, and save more on the maintenance your Mazda needs. Contact us today with any questions or to schedule a service appointment.

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1560 Auto Park Way • Escondido, CA 92029

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Today's Hours:

Open Today! Sales: 9am-7pm

Open Today! Service: 7am-6pm

Open Today! Parts: 7am-6pm

Mazda of Escondido 33.1174397, -117.1069548.