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

Tired of being locked out of your Chrysler because of a dead key fob battery? Imagine the convenience of never having to deal with that frustration again. In this article, you’ll discover a simple solution that can save you time and money.

Have you ever found yourself in a rush, only to realize your key fob battery is about to die? It’s a common scenario that can throw off your entire day. With just a few easy steps, you can learn how to change your Chrysler key fob battery quickly and hassle-free.

By the end of this article, you’ll be equipped with the knowledge to replace your key fob battery effortlessly. Say goodbye to the inconvenience of a dead battery and hello to seamless access to your Chrysler every time you need it.

What Causes a Chrysler Key Fob Battery to Die?

If you’re wondering why Chrysler key fob batteries die, there are a few common reasons:

  • Battery Life: Like all batteries, key fob batteries have a limited lifespan. Over time, they lose their ability to hold a charge, leading to eventual failure.
  • Frequent Use: The more you use your Chrysler key fob, the quicker the battery drains. Regularly locking and unlocking your vehicle can shorten the key fob battery life.
  • Environmental Factors: Extreme temperatures can impact key fob battery performance. Whether it’s cold winters or scorching summers, temperature extremes can wear down the battery faster.
  • Interference: Sometimes, radio frequency interference can affect the key fob signal, causing the key fob battery to drain quicker than usual.
  • Manufacturing Defects: In some cases, Chrysler key fob batteries may fail prematurely due to manufacturing defects, leading to an unexpected battery replacement.

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To avoid getting locked out of your Chrysler unexpectedly, knowing these common causes can help you stay prepared and proactive in maintaining your key fob.

Tools Needed for Changing a Chrysler Key Fob Battery

When it comes to changing the battery in your Chrysler key fob, having the right tools can make the process quick and easy. Here are the essential items you’ll need:

  • Replacement Battery: Ensure you have the correct battery type for your specific Chrysler key fob model. Refer to your vehicle manual or the manufacturer’s guidelines for the appropriate battery type.
  • Small Flathead Screwdriver: This tool will help you pry open the key fob without causing damage. A small flathead screwdriver with a thin tip is recommended for this task.
  • Needle-Nose Pliers: These pliers will come in handy for handling the small components inside the key fob and removing the old battery with precision.
  • Clean Cloth: Keep a clean cloth or a paper towel nearby to wipe any dirt or residue from the key fob to ensure a secure fit for the new battery.
  • Work Surface: Find a stable and well-lit work surface where you can comfortably work on replacing the battery without losing any tiny components.

By having these tools at your disposal, you’ll be well-equipped to successfully change the battery in your Chrysler key fob and ensure uninterrupted access to your vehicle.

Step-by-Step Guide to Changing a Chrysler Key Fob Battery

To ensure seamless access to your Chrysler vehicle, follow these simple steps to change the key fob battery:

  • Step 1: Gather your tools: a replacement battery specific to your key fob model, a small flathead screwdriver, needle-nose pliers, a clean cloth, and a stable work surface.
  • Step 2: Identify the slot on your key fob where the key ring is attached. Insert the flathead screwdriver into this slot and gently twist to open the fob.
  • Step 3: Once the fob is open, use the needle-nose pliers to carefully remove the old battery. Take note of the orientation of the battery before removing it.
  • Step 4: Clean the inside of the key fob with a clean cloth to remove any dust or debris that may have accumulated.
  • Step 5: Insert the new battery into the fob, making sure it is placed in the correct orientation as the old battery was.
  • Step 6: Gently close the key fob by aligning the two halves and applying slight pressure until it snaps shut.
  • Step 7: Test the key fob to ensure the new battery is functioning correctly. You should now have seamless access to your Chrysler vehicle.

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By following these steps, you can easily change your Chrysler key fob battery and enjoy uninterrupted use of your vehicle.

Testing the New Battery and Ensuring Proper Function

After replacing the battery in your Chrysler key fob, it’s essential to test it to guarantee proper functionality. Here are some steps to ensure everything is in working order:

  • Reassemble the key fob by placing the cover back on and securing it with the screws.
  • Test the key fob by pressing the buttons to check if it responds. Make sure you are within range of your vehicle.
  • If the key fob is still not working, you may need to recheck the battery’s position or replace it with a new one.
  • Ensure that the buttons are aligned properly with the contacts inside the fob for optimal performance.
Key Points Details
Test Range Within a few feet of your vehicle
Button Response Press buttons to check functionality
Troubleshooting Realign buttons and contacts if necessary

By following these steps and confirming that your Chrysler key fob is working correctly, you can enjoy seamless access to your vehicle.

Additional Tips for Maximizing Your Chrysler Key Fob Battery Life

  • Avoid Excessive Button Pressing: Repeatedly pressing buttons when not in range can drain the battery quicker.
  • Store Key Fob Away from Electronics: Avoid placing the key fob near electronic devices to prevent interference and extend battery life.
  • Use a Protective Cover: Invest in a protective cover to shield the key fob from damage and environmental factors.
  • Regularly Check Battery Connection: Ensure the battery is securely in place to maintain proper function and longevity.
  • Replace Batteries Promptly: Change the battery as soon as you notice reduced remote functionality to prevent unexpected failure.

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Key Point Details
Battery replacement Ensure to replace every 2-3 years
Limit exposure to water Minimize contact with moisture
Avoid extreme temperatures Heat and cold can impact battery life


Remember, taking care of your Chrysler key fob battery is essential for ensuring smooth functionality. By following the simple steps outlined in this guide and implementing the tips provided, you can prolong the life of your key fob battery and avoid any inconvenience caused by a dead battery. Regular maintenance and being mindful of how you handle your key fob can go a long way in keeping it working optimally. So, don’t forget to replace the battery every 2-3 years, protect it from water and extreme temperatures, and follow best practices to maximize its lifespan. Your key fob is a valuable tool, so treat it well to enjoy hassle-free usage for years to come.

Frequently Asked Questions

Why do Chrysler key fob batteries die?

Chrysler key fob batteries die due to normal wear and tear over time, leading to a decrease in battery life and remote functionality.

How can I change the battery in my Chrysler key fob?

To change the battery in your Chrysler key fob, open the key fob using a small screwdriver to access the battery compartment, remove the old battery, replace it with a new one of the same type, and reassemble the key fob.

What tips can help maximize my Chrysler key fob’s battery life?

Maximize your Chrysler key fob’s battery life by avoiding excessive button pressing, storing the key fob away from electronics, using a protective cover, regularly checking the battery connection, and promptly replacing batteries when needed.

How often should I replace the battery in my Chrysler key fob?

It is recommended to replace the battery in your Chrysler key fob every 2-3 years to ensure optimal performance and avoid unexpected battery failures.

What precautions should I take to maintain my Chrysler key fob’s performance?

To maintain your Chrysler key fob’s performance, limit exposure to water, avoid extreme temperatures, and follow the recommended battery replacement schedule.

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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