How to Replace a Jeep Wrangler Key Fob Battery: Step-by-Step Guide

Ever found yourself locked out of your Jeep Wrangler because your key fob battery decided to call it quits at the most inconvenient time? Frustrating, right? But fret not, because in this article, you’ll discover the simple steps to change the battery in your Jeep Wrangler key fob all by yourself.

Imagine the relief of knowing that you can easily tackle this task without rushing to a dealership or a repair shop. No more waiting around or spending money on something you can do in a matter of minutes. By the end of this guide, you’ll be equipped with the knowledge and confidence to handle your key fob like a pro, ensuring you never get locked out again.

Gather Tools and Materials

To get started, here’s what you’ll need:

  • Replacement battery: Make sure it’s compatible with your Jeep Wrangler key fob.
  • Small flat-head screwdriver: Essential for opening the key fob.
  • New battery: Ensure it’s the correct type for your key fob model.
  • Clean cloth: Handy for wiping any dirt or grime from the fob.
  • Optional: tweezers: Can help with a smoother battery replacement process.

Get these ready before you proceed with changing the battery in your Jeep Wrangler key fob.

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Locate the Battery Compartment

When changing the battery in your Jeep Wrangler key fob, the first step is pinpointing the battery compartment on the device. Here’s how you can easily find it:

  • Look for a Notch: Usually, there’s a small notch or slot on the key fob. This notch is where you’ll need to insert a screwdriver to open the fob.
  • Check the Manual: If you’re unsure, referring to your Jeep Wrangler key fob manual can provide guidance on the exact location of the battery compartment.
  • Inspect the Edges: Sometimes, the seam around the fob’s edges indicates where the battery compartment is located.

Follow these steps to effortlessly locate the battery compartment before proceeding with the replacement process.

Remove the Old Battery

To remove the old battery from your Jeep Wrangler key fob, follow these steps:

  • Locate the battery compartment: Look for a small notch or slot on the side of the key fob. Use a flathead screwdriver or a coin to pry open the compartment.
  • Remove the old battery: Once the compartment is open, gently push the old battery out with your finger or the screwdriver. Be careful not to damage the surrounding components.
  • Dispose of the old battery properly: Since the battery contains potentially harmful materials, it’s important to dispose of it in accordance with local regulations. Consider recycling options in your area.

Remember to handle the old battery with care and avoid touching the new battery’s metal contacts to prevent damage.

Replace with a New Battery

To replace the battery in your Jeep Wrangler key fob with a new one, follow these simple steps:

  • Select the Correct Battery: Ensure you have the right replacement battery. For most Jeep Wrangler key fobs, you’ll need a CR2032 battery.
  • Insert the New Battery: Place the new battery into the compartment with the positive side facing up. Make sure it fits snugly.
  • Close the Battery Compartment: Gently press the cover back into place until you hear a click, ensuring it’s securely closed.
  • Test the Key Fob: Confirm that the new battery is working by testing the key fob to ensure it unlocks and locks your Jeep Wrangler doors.

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Remember, always handle the new battery with care and avoid touching the metal contacts to prevent any damage.

Test the Key Fob

When you’ve replaced the CR2032 battery in your Jeep Wrangler key fob, it’s vital to test it to ensure everything functions as it should. Here’s how you can do that:

  • Step 1: Press any button on the key fob.
  • Step 2: Check if the key fob locks and unlocks the doors properly.
  • Step 3: Ensure the remote start functions work correctly.
  • Step 4: Test the panic button if your key fob has one.

By following these steps, you can make sure your key fob is working optimally with the new battery.


You’re now equipped with the knowledge to effortlessly swap out the battery in your Jeep Wrangler key fob. By following the steps outlined in the article, you can ensure that your key fob continues to operate smoothly with the new CR2032 battery. Remember to handle the battery with care to avoid any damage to the key fob. Test the key fob functions after replacing the battery to confirm its optimal performance. With these simple yet essential tips, you can maintain the functionality of your key fob and avoid any inconvenience caused by a drained battery.

Frequently Asked Questions

How do I replace the battery in my Jeep Wrangler key fob?

To replace the battery in your Jeep Wrangler key fob, open the compartment, remove the old battery, and insert a new CR2032 battery with the correct polarity. Ensure the compartment is closed securely.

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What should I do after replacing the key fob battery?

After replacing the key fob battery, test its functions by checking the locking, unlocking, remote start, and panic button operations to verify proper installation.

How should I handle the new battery to prevent damage?

Handle the new battery carefully and avoid direct contact with the metal contacts to prevent any damage to the battery or the key fob.

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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