How to Open a Mazda Key Fob and Change a Dead Battery

2020 Mazda3 Hatchback headlight

Every few years, you’ll notice that you need to replace a dead key fob battery. Are you wondering how to open a Mazda key fob? Our team at Manchester Mazda will help you learn how to change a battery in a Mazda key fob so you can get back on the road with ease. Read on to find out how to open your Mazda key fob and more with our service experts today!


How to Change the Battery in Mazda Key Fob: What You’ll Need

When you’re ready to open Mazda6 key fob, you’ll need a few items to ensure you replace your dead battery properly:

  1. A replacement battery (CR2025 battery)
  2. Your Mazda key fob
  3. Small flat-head screwdriver
  4. Tape to wrap around a very small flat-head screwdriver (to prevent scratches to your Mazda key fob)
Couple getting into a parked 2020 Mazda CX-30

How to Open the Mazda Key Fob: Step by Step

Learning how to open your Mazda key fob is simple. You can order the replacement battery you need from our parts department. Even that is only a few clicks away, and with our Mazda service coupons, we can even help you save. Take the following steps to learn how to change the battery in the Mazda key fob once you have your replacement battery: 

  1. To remove your metal auxiliary key and press the release button it as if you were using it to open your Mazda manually–the key should come right out.
  2. In some earlier models of the Mazda key fob, you’ll need to insert a flathead screwdriver into a small release tab in the key’s recess to remove the key.
  3. Note a small slot on either side of the key fob case. 
  4. Pry open the case with the flathead screwdriver on one side, and then on the other. Pull both halves apart gently.
  5. This should remove the case. In the meantime, set aside the case somewhere you won’t forget it.

Replacing Your Mazda Key Battery

With how to open the Mazda key fob out of the way, there are only a few more simple steps. See below for how to change the battery in the Mazda key fob:

  1. Remove the battery cap. Bear in mind where you place it. 
  2. Without damaging the small rubber ring that the battery rests on, remove the now fully exposed Mazda key fob battery. 
  3. Take your new replacement battery and set it with the positive side (+) upright, facing you, in its place.
  4. 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.

While Mazda service coupons are always available to help keep your Vernon Mazda in top condition, you won’t need them if you prefer to trust your key fob replacement with the service center experts.


Get to Know Your Mazda With Manchester Mazda

And of course, our team at Manchester Mazda can help you if you ultimately decide you want one of our experts to take care of it for you. Contact us today, and our team at Manchester Mazda near Glastonbury will help you learn how we can help you open a Mazda key fob.


Service Specials at Manchester Mazda

Oil Change & Rotate
Standard Oil: $79.95 With Coupon
Synthetic Oil: $89.95 With Coupon

-Change motor oil and Mazda filter*
-Tire rotation and brake inspection
-Top off vital fluids
-Complete a multi-point inspection
*Up to 5 quarts.

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
Air Conditioning Service
$239.95 With Coupon

-Test system for proper operation
-Add dye to detect leaks in hoses and/or connections
-Clean condenser fins
-Add up to one gallon refrigerant

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
Mazda Tire Special

We carry name brand tires to fit your Mazda. Yokohama, Bridgestone, Pirelli and Kumho. All tires purchased come with Road Hazard Protection. Ask about any current tire rebates.

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
Enhance Air Quality with a New Cabin Air Filter
$49.95 With Coupon

The air you breathe is only as clean as the filter it goes through. A new cabin air filter will reduce impurities such as pollen, dust, mold and other airborne contaminants. Recommended every 12 – 24 months.

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
Genuine Mazda Battery Special
$239.95 With Coupon

High-performance Mazda replacement batteries come with an equally high-performance warranty! 36/60-month replacement battery warranty if installed by the dealership.

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
4-Wheel Alignment Special
$99.95 With Coupon
Regular Price: $109.95

Poorly aligned wheels wear out tires prematurely and reduce gas mileage. Service includes:
• Inspect/adjust caster, camber and toe-in as applicable
• Inspect suspension and steering linkage
• Check tire wear
• Check tire pressure, adjust as necessary
• Computerized alignment
• Road test

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
Brake Special
$25.00 Off With Coupon

Excellent brake service utilizing Mazda OEM or Value Product pads and expert rotor resurfacing or replacement. Lifetime Ltd. Warranty on all brake pads and shoes.

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022
Rotate and Balance

Our everyday value price for a tire rotation and balance is $69.95. You can SAVE $20.00 and pay only $49.95 if you combine your rotate and balance with an oil change service.

Plus applicable taxes. Valid only at MANCHESTER MAZDA. Cannot be used with any other applicable offer. Mazda vehicles only. Some vehicles may be slightly higher. Hazardous waste fee and shop supplies fee if applicable. Please present coupon at time of write-up. No cash value. Expires 12/31/22.

EXPIRES: 12/31/2022

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