How to Replace Chrysler Key Fob Battery: Step-by-Step Guide

Ever found yourself locked out of your car because your Chrysler key fob suddenly stopped working? Frustrating, right? But what if I told you that changing the battery in your Chrysler key fob could be the quick fix you need to avoid such situations? Imagine the convenience of effortlessly unlocking your car with just a click of a button. In this article, you’ll discover the simple steps to replace the battery in your Chrysler key fob, saving you time and hassle in the long run. Let’s dive in and empower you to take control of your car access with ease.

Step 1: Gather Necessary Tools

When it comes to changing the battery on your Chrysler key fob, it’s important to have the right tools on hand. Here’s what you’ll need:

  • New battery for your Chrysler key fob
  • Small flat-head screwdriver or a coin
  • Tweezers or small pliers
  • Clean cloth or tissue

With these tools ready, you’ll be all set to replace the battery in your Chrysler key fob hassle-free.

Step 2: Open the Chrysler Key Fob

To replace the battery in your Chrysler key fob, the next step is to open it up. Here’s how you can do it:

  • Locate the Seam: Look carefully around the outer edge of your key fob for a small groove where the two halves of the fob meet.
  • Use the Tool: Take the small flat-head screwdriver or coin you gathered earlier and gently insert it into the seam.
  • Twist and Separate: Apply a bit of pressure and twist the tool to pry open the fob. You should hear a click as the halves begin to separate.
  • Be Gentle: Take your time and work your way around the fob, gradually releasing the clips holding it together.
  • Open it Completely: Once you’ve loosened all the clips, carefully lift the top half of the fob to access the interior.

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With the key fob now open, you’re one step closer to replacing the battery and ensuring seamless access to your Chrysler vehicle.

Step 3: Remove Old Battery

When it comes to removing the old battery from your Chrysler key fob, you’ll need to follow a few simple steps:

  • Once you have the key fob open, look for the battery compartment.
  • Identify the clip or holder keeping the battery in place.
  • Carefully remove the old battery from its slot, making sure not to damage the surrounding components.
  • Take note of the type and size of the old battery so you can replace it with the correct one.

Remember, handling the battery with care is crucial to avoid any mishaps during the replacement process.

Step 4: Insert New Battery

When inserting the new battery into your Chrysler key fob, make sure it goes in the correct orientation to work properly. Sometimes, there might be a marked direction or engraving showing you how to place the battery.

  1. Take the new battery you purchased, ensuring it’s the right type and size as noted earlier.
  2. Position the battery into the compartment, making sure the positive and negative terminals align correctly.
  3. Gently press down on the battery to secure it in place. You should feel a slight click or resistance when it’s properly installed.
  4. Double-check that the battery is firmly seated and making good contact within the compartment.

Remember, the proper installation of the new battery is crucial for your Chrysler key fob to function effectively. Following these steps carefully will ensure a successful battery replacement process.

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Step 5: Test the Key Fob

Now that you’ve replaced the battery in your Chrysler key fob, it’s time to test if everything is working as it should. Follow these steps to ensure a successful battery replacement:

  • Press Buttons: Try pressing the buttons on your key fob to see if they are responsive. Ensure that each button functions correctly without any delay.
  • Proximity Test: Test the key fob’s proximity feature by standing at different distances from your vehicle. Make sure the key fob can still unlock and lock the car as intended.
  • Check Range: Test the range of the key fob by attempting to operate it from various distances. Walk further away from your vehicle while testing to ensure the range is sufficient.
  • Vehicle Response: Approach your car and check if the vehicle responds promptly to the key fob’s commands. Make sure the doors unlock and lock smoothly.
  • Replace Cover: Finally, securely reattach the cover of your key fob to protect the battery and internal components.

Test your key fob thoroughly to prevent any issues with locking and unlocking your Chrysler vehicle. If you encounter any difficulties or the key fob is not functioning correctly, consider rechecking the battery installation steps or consult a professional for assistance.

Remember, a well-functioning key fob is essential for convenient access to your Chrysler vehicle.


That’s it! By following these simple steps, you’ve successfully changed the battery in your Chrysler key fob. Remember to test the key fob to ensure everything is working smoothly. Properly reattach the cover to safeguard the battery and internal components. If you encounter any issues, refer back to the troubleshooting tips provided. Enjoy the convenience of seamless locking and unlocking for your Chrysler vehicle.

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Frequently Asked Questions

1. Why is it important to test the key fob after replacing the battery?

It is essential to test the key fob after replacing the battery to ensure proper button responsiveness, proximity features, range, and vehicle response, guaranteeing its effective functionality.

2. Why is securely reattaching the key fob cover important?

Securely reattaching the key fob cover is crucial to protect the battery and internal components from damage, maintaining the longevity and performance of your Chrysler key fob.

3. Why is thorough testing recommended after changing the key fob battery?

Thorough testing after changing the key fob battery is recommended to ensure smooth locking and unlocking of your Chrysler vehicle, identifying and addressing any issues promptly for optimal functionality.

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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