How to Change Infiniti Key Battery: Simple Steps for Successful Replacement

Ever found yourself stranded with a dead Infiniti key fob? Frustrating, right? Imagine being able to easily replace the battery yourself in just a few simple steps. No more last-minute trips to the dealership or waiting for assistance. In this article, you’ll discover the quick and hassle-free way to change the Infiniti key battery all on your own.

Picture this: you’re running late for an important meeting, and your Infiniti key fob suddenly stops working. Panic sets in as you realize you can’t unlock your car. But what if you could swiftly swap out the battery and get back on track within minutes? This article will empower you with the knowledge and confidence to tackle this situation with ease.

Gather necessary tools

To change the Infiniti key battery on your own, here’s what you’ll need:

  • New CR2032 battery
  • Flathead screwdriver or small coin
  • Replacement key fob case (if necessary)

Let’s head into the steps to successfully replace the Infiniti key battery.

Identify key fob type

When determining the key fob type for your Infiniti, it’s essential to look at the design carefully. Infiniti key fobs come in various shapes and sizes depending on the model year and trim of your vehicle.

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Here are some common types you might encounter:

  • Standard Key Fob: This type usually has a physical key that you can use to manually unlock the doors in case the battery dies.
  • Smart Key Fob: These fobs feature keyless entry and push-button start functions, often requiring proximity to the vehicle for keyless operations.
  • Flip Key Fob: Characterized by a switchblade-like key that folds into the fob casing for compactness.

Identifying your specific key fob type is crucial to ensure you purchase the correct replacement battery and handle the replacement process accurately.

Open the key fob

When it’s time to change the battery in your Infiniti key fob, the first step is to open the key fob casing. Here’s a simple guide to help you with this task:

  • Identify the Key Fob: Before you begin, make sure you know the type of key fob your Infiniti uses.
  • Look for a Notch: Examine your key fob to locate a small notch or slot along the edges.
  • Use a Tool: Get a flathead screwdriver or a coin that fits into the notch.
  • Gently Pry Open: Insert the tool into the notch and carefully pry open the key fob.

Remember, being gentle is key to avoid damaging the casing. With the key fob open, you’re ready to proceed with replacing the battery.

Replace the battery

Now that you’ve successfully opened the key fob casing, it’s time to Replace the battery. Follow these simple steps to ensure a smooth battery replacement process:

  • Identify the battery type: Look for the existing battery inside the key fob. Note down the battery type to ensure you purchase the correct replacement.
  • Remove the old battery: Use a small tool like a flathead screwdriver or a coin to carefully pry out the old battery. Be gentle to avoid damaging the key fob components.
  • Install the new battery: Place the new battery into the designated slot with the correct polarity, matching the orientation of the old battery. Make sure it is secure in place.
  • Close the key fob casing: Once the new battery is in place, gently press the key fob cover back until it clicks into position. Ensure that the casing is properly sealed to protect the internal components.
  • Test the key fob: Test the key fob functionality by pressing the buttons to verify that the new battery is working correctly. If the buttons respond as expected, your battery replacement was successful.

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Remember, regularly replacing the battery in your Infiniti key fob is essential to maintain reliable performance. Check the battery status periodically to avoid any issues with key fob operation.

Test the key fob

To ensure that the Infiniti key fob is functioning properly after replacing the battery, follow these steps:

  • Test the Lock/Unlock Buttons: Press the lock and unlock buttons to check if the key fob is responding to the commands.
  • Check Remote Start Function: If your Infiniti is equipped with a remote start feature, test it to verify that the key fob activates it successfully.
  • Test the Trunk Release Button: Press the trunk release button to confirm that it opens the trunk as intended.
  • Verify Panic Button Operation: Check if the panic button triggers the alarm system when pressed.
  • Range Test: Walk a short distance away from your vehicle and test the key fob to ensure it functions within the specified range.

Remember to perform these tests in different locations to ensure consistent performance from your Infiniti key fob.


That’s it! By following the steps outlined in this article, you can easily change the battery in your Infiniti key fob. Remember to identify the correct battery type, handle the replacement carefully, and test the key fob functions afterward. Regular maintenance like this ensures your key fob continues to work reliably and avoids any unexpected issues. Keep up with these simple tasks, and you’ll always have a key fob that performs at its best when you need it. Enjoy the convenience and peace of mind that comes with a well-maintained Infiniti key fob!

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Frequently Asked Questions

Q: How do I identify the key fob type for my Infiniti before replacing the battery?

A: You can identify the key fob type for your Infiniti by checking the model number on the back of the key or referring to the owner’s manual for specific information.

Q: What are the steps for replacing the battery in my Infiniti key fob?

A: The steps for replacing the battery include identifying the battery type, removing the old battery carefully with a small screwdriver, installing the new battery correctly, closing the key fob casing securely, and testing the key fob functionality.

Q: Why is it important to test the key fob after replacing the battery?

A: Testing the key fob after replacing the battery ensures proper functionality by checking the lock/unlock buttons, remote start function, panic button operation, trunk release button, and conducting a range test to ensure consistent performance in various locations.

Q: How often should I replace the battery in my Infiniti key fob?

A: It is recommended to replace the battery in your Infiniti key fob every 1-2 years to maintain reliable performance and avoid operational issues.

Battery industry professional with 5+ years of experience. Bachelor of Science in Electrical Engineering from Georgia Tech. Specializes in power systems and renewable energy.

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