How to Change Mazda CX-5 Replacement Key Battery

Changing the battery in your Mazda CX-5 key fob is a simple task that can be done in a matter of minutes. It is important to replace the battery when the key fob stops working or the range becomes shorter. In this article, I will guide you through the steps … Read more

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Written by: Mohammad Sameer

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Changing the battery in your Mazda CX-5 key fob is a simple task that can be done in a matter of minutes. It is important to replace the battery when the key fob stops working or the range becomes shorter. In this article, I will guide you through the steps to change the battery in your Mazda CX-5 key fob.

Before we get started, it is important to identify the correct battery type for your Mazda CX-5 key fob. Using the wrong battery can damage the key fob or cause it to malfunction. Once you have identified the correct battery type, you can proceed with the steps to change the battery. Follow the steps carefully to avoid damaging the key fob or the new battery.

Key Takeaways

  • Identifying the correct battery type is crucial to avoid damaging the key fob or the new battery.
  • Follow the steps carefully to avoid damaging the key fob or the new battery.
  • Changing the battery in your Mazda CX-5 key fob is a simple task that can be done in a matter of minutes.

Identifying the Correct Battery Type

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As a Mazda CX-5 owner, it is essential to know the correct battery type for your key fob. The key fob battery replacement process is straightforward, but using the wrong battery type can damage your key fob or cause it to malfunction.

Locating the Battery Specifications

To identify the correct battery type for your Mazda CX-5 key fob, you need to locate the battery specifications. The battery specifications are usually indicated on the battery itself or in the owner’s manual.

If you have the owner’s manual, you can easily find the battery specifications in the key fob section. The manual will list the battery type, voltage, and size. You can also find the battery type by opening the key fob and checking the battery label.

Battery Purchase Recommendations

When purchasing a replacement battery, it is essential to buy a high-quality battery that meets the manufacturer’s specifications. Using a low-quality battery can lead to a shorter lifespan and damage to your key fob.

You can purchase a replacement battery at an auto parts store, dealership, or online. It is recommended to purchase a battery from a reputable brand to ensure quality and compatibility.

In summary, identifying the correct battery type for your Mazda CX-5 key fob is crucial to ensure proper functioning. Always refer to the owner’s manual or the battery label to find the correct battery specifications. When purchasing a replacement battery, opt for a high-quality battery from a reputable brand.

Accessing the Key Fob

As a Mazda CX-5 owner, it is important to know how to replace the key fob battery. This will help you avoid being stranded in a parking lot or unable to enter your vehicle. Accessing the key fob is the first step in replacing the battery. Here’s how to do it:

Gathering Necessary Tools

Before starting, you’ll need to gather a few tools. You’ll need a small flathead screwdriver and a new CR2025 battery. Make sure you have the correct battery model, as using the wrong battery can damage the key fob.

Opening the Key Fob Case

To access the key fob, you’ll need to open the case. Start by locating the small indentation on the side of the key fob. Insert the flathead screwdriver into the indentation and gently pry the case open. Be careful not to damage the case or the internal components.

Once the case is open, you’ll see the battery compartment. Use the screwdriver to gently pry the battery out of the compartment. Take note of the battery’s orientation, as you’ll need to insert the new battery in the same way.

With the old battery removed, insert the new battery into the compartment. Make sure it’s properly oriented and securely in place. Finally, snap the key fob case back together.

Now that you know how to access the key fob, you can replace the battery whenever necessary. Remember to dispose of the old battery properly, as it contains hazardous materials.

How to Change Mazda CX-5 Replacement Key Battery?

When it’s time to replace the battery in your Mazda CX-5 key fob, the first step is to remove the old battery. Here’s how to do it:

Handling the Battery Safely

Before you start, make sure you’re handling the battery safely. Batteries can be dangerous if mishandled, so it’s important to take precautions.

Here are a few tips:

  • Wear gloves to protect your hands from any battery acid or other harmful substances.
  • Avoid touching the battery terminals with your bare hands, as this can cause corrosion and reduce the battery’s lifespan.
  • Dispose of the old battery properly. Batteries contain harmful chemicals that can damage the environment if not disposed of correctly. Check with your local recycling center for instructions on how to dispose of batteries safely.

Ensuring Proper Orientation

Once you’re ready to remove the old battery, you’ll need to make sure you’re doing it correctly. Here’s what to do:

  1. Look for the battery compartment on the back of the key fob. It should be a small, rectangular compartment with a small tab or button to release the cover.
  2. Use a small screwdriver or other tool to gently pry open the battery compartment cover.
  3. Take note of the orientation of the old battery. Mazda CX-5 key fob batteries are typically CR2025 batteries, which have a positive (+) side and a negative (-) side. Make sure you remember which side is which, as this will be important when inserting the new battery.
  4. Use your gloved fingers or a pair of tweezers to carefully remove the old battery from the compartment. Be sure to handle it gently and avoid touching the battery terminals.
  5. Dispose of the old battery properly, as mentioned above.

Installing the New Battery

After removing the old battery, it’s time to install a new one. Here are the steps to follow:

Aligning the New Battery

First, take the new battery and align it with the contacts in the battery compartment. Make sure that the positive (+) side of the battery is facing up, and the negative (-) side is facing down. You can refer to the owner’s manual or the search results for the correct battery size and type.

Securing the Battery in Place

Once the battery is properly aligned, it’s time to secure it in place. You can do this by placing the cover back on the battery compartment and pressing it until it clicks into place. Make sure that the cover is securely fastened and that it doesn’t come loose.

Alternatively, some Mazda CX-5 models have a screw that needs to be tightened to secure the battery cover in place. If your model has a screw, use a screwdriver to tighten it until the cover is securely fastened.

That’s it! You have successfully installed a new battery in your Mazda CX-5 key fob. Remember to dispose of the old battery properly and keep the new battery in a safe place in case you need it in the future.

Reassembling the Key Fob

Once you have replaced the battery in your Mazda CX-5 key fob, it is time to reassemble it. Follow these simple steps to ensure that the key fob is properly put back together.

Aligning the Case Halves

First, take the two halves of the key fob case and align them so that they fit together perfectly. Make sure that the buttons are lined up correctly and that the key ring is in the right position.

Closing the Key Fob Case

Once the two halves of the key fob case are properly aligned, press them together firmly until you hear a click. This indicates that the case is securely closed. Be sure to check that the case is completely closed and that there are no gaps or openings.

Finally, test the key fob to make sure that it is working properly. Press each button to ensure that it is responsive and that the LED light flashes. If everything is working correctly, you have successfully replaced the battery in your Mazda CX-5 key fob.

Remember to dispose of the old battery properly and keep the new battery in a safe place. If you encounter any issues during the reassembly process, refer to the owner’s manual or seek assistance from a professional.

Testing the New Battery

Once you have replaced the battery in your Mazda CX-5 key fob, it is important to test the new battery to ensure that it is working properly. In this section, I will discuss how to confirm the functionality of your key fob after replacing the battery.

Confirming Key Fob Functionality

To confirm that the new battery is working properly, stand near your Mazda CX-5 and press any button on the key fob. You should hear a beep or see the lights flash on the car. If you do not hear a beep or see the lights flash, then the battery may not be installed correctly, or the battery may be dead.

If the battery is not installed correctly, remove the battery and reinsert it, making sure that the positive (+) side is facing up. If the battery is dead, replace it with a new one.

Once you have confirmed that the key fob is working properly, test all of the buttons on the key fob to ensure that they are functioning correctly. If any of the buttons are not working, then the battery may not be making proper contact with the circuit board inside the key fob. In this case, you may need to clean the contacts or replace the key fob.

In conclusion, testing the new battery is a crucial step in ensuring that your Mazda CX-5 key fob is functioning properly. By following the steps outlined in this section, you can confirm that your new battery is installed correctly and that your key fob is working as it should.

Disposal of the Old Battery

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If you have replaced the battery in your Mazda CX-5 key fob, it is essential to dispose of the old battery properly. In this section, I will discuss the environmental considerations and how to locate battery recycling centres.

Environmental Considerations

It is crucial to dispose of the old battery properly to avoid environmental hazards. Batteries contain harmful chemicals that can cause damage to the environment if not disposed of correctly. Therefore, it is essential to follow the appropriate procedures when disposing of the old battery.

Locating Battery Recycling Centers

To ensure that the old battery is disposed of correctly, it is advisable to take it to a recycling centre. Recycling centres are equipped to handle the disposal of batteries safely.

You can locate a recycling centre near you by checking with your local waste management authority.

You can also check with your local auto parts store or service center as they may have a recycling program in place.

In conclusion, it is essential to dispose of the old battery properly to avoid environmental hazards. By following the environmental considerations and locating battery recycling centres, you can ensure that the old battery is disposed of correctly.

Troubleshooting Common Issues

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If you have recently replaced the battery in your Mazda CX-5 key fob and are experiencing issues, there are a few troubleshooting steps you can take before seeking professional help.

Key Fob Not Working After Battery Replacement

If your key fob is not working after battery replacement, it is possible that the battery was not installed correctly. Double-check that the battery is inserted with the correct polarity and that the battery contacts are clean and free of debris.

If the battery is installed correctly, but the key fob is still not working, it may be necessary to reprogram the key fob. See the next section for instructions on how to do this.

Reprogramming the Key Fob

If your key fob is not working after battery replacement, you may need to reprogram it. The following steps will guide you through the process:

  1. Sit in the driver’s seat with all doors closed.
  2. Insert the key into the ignition and turn it to the “On” position without starting the engine.
  3. Press and release the “Lock” button on the key fob.
  4. Turn the key back to the “Off” position.
  5. Repeat steps 2-4 two more times.
  6. Remove the key from the ignition.
  7. Test the key fob to ensure it is working properly.

If your key fob is still not working after following these steps, it may be necessary to seek professional help.

Frequently Asked Questions

What steps are involved in replacing a Mazda CX-5 key fob battery?

To replace the battery in your Mazda CX-5 key fob, you will need to open the key fob case, remove the old battery, and insert a new battery. The exact steps may vary slightly depending on the model year of your CX-5, but generally, you can follow these steps:

  1. Locate the key fob and identify the battery cover.
  2. Use a prying tool to gently pry the two halves of the fob apart.
  3. Remove the old battery and insert a new one.
  4. Snap the two halves of the fob back together.

Where can I purchase a replacement battery for a Mazda CX-5 key fob?

You can purchase replacement batteries for your Mazda CX-5 key fob at most auto parts stores, online retailers, or Mazda dealerships. Make sure to purchase the correct type of battery for your key fob, which can be found in your owner’s manual or by contacting your Mazda dealer.

How can I tell if my Mazda CX-5 key fob battery is low?

If your Mazda CX-5 key fob battery is low, you may notice that the range of the key fob decreases, or the key fob may not work at all. Some models of the CX-5 may also display a warning message on the dashboard when the key fob battery is low. If you suspect that your key fob battery is low, it’s best to replace it as soon as possible.

What is the expected battery life for a Mazda CX-5 key fob?

The expected battery life for a Mazda CX-5 key fob can vary depending on usage and environmental factors. However, most key fob batteries last between two to three years. It’s a good idea to replace the battery in your key fob every two years to ensure that it continues to work properly.

How much does it typically cost to replace a Mazda CX-5 key fob?

The cost to replace a Mazda CX-5 key fob battery can vary depending on where you purchase the battery and whether or not you replace it yourself. If you choose to replace the battery yourself, the cost will typically be the price of the replacement battery. If you have the battery replaced by a Mazda dealership or auto repair shop, you can expect to pay an additional labour fee.

Is it necessary to program the key fob after replacing the battery in a Mazda CX-5?

In most cases, it is not necessary to program the key fob after replacing the battery in a Mazda CX-5. However, some models may require reprogramming of the key fob after the battery has been replaced. Check your owner’s manual or contact your Mazda dealer to determine if reprogramming is necessary.

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About Mohammad Sameer

My name is Mohammad Sameer and I have over 3 years of hands-on experience repairing cars, motorcycles, and trucks. Ever since I operated on my first engine in 2018, I’ve been passionate about all things automotive. In 2021, I launched my blog “Motoring Mastery” to share my knowledge with car enthusiasts and DIY mechanics.