Changing Battery in 2018 Jeep Wrangler Key Fob

Changing the battery in your 2018 Jeep Wrangler key fob is a simple task that can save you time and money. This guide will walk you through the process step-by-step, so you can get back on the road quickly. We’ll cover everything from the tools you’ll need to troubleshooting common issues.

What You’ll Need to Change Your 2018 Jeep Wrangler Key Fob Battery

Before you begin, gather these few simple tools:

A small flathead screwdriver or a key fob removal tool
A new CR2032 battery

These items are readily available at most auto parts stores, pharmacies, and online retailers. Having them prepared beforehand will make the process smoother.

Tools for 2018 Jeep Wrangler Key Fob Battery Replacement

Step-by-Step Guide to Changing the Battery

Locate the release button: On the side of your key fob, you’ll find a small release button. This button is usually marked with a key symbol or a small indentation.
Release the emergency key: Press the release button and slide the emergency key out of the fob.
Separate the fob halves: Use the flathead screwdriver or key fob removal tool to carefully pry open the key fob casing. Start by inserting the tool into the slot where the emergency key was located. Gently twist the tool to separate the two halves of the fob. Be careful not to damage the casing.
Remove the old battery: Once the fob is open, you’ll see the CR2032 battery. Gently pry it out using your flathead screwdriver.
Install the new battery: Insert the new CR2032 battery, making sure the positive (+) side is facing up, just as the old battery was positioned.
Reassemble the fob: Align the two halves of the key fob and press them together until they snap shut.
Test the key fob: Try locking and unlocking your Jeep Wrangler to ensure the new battery is working correctly.

Step-by-Step 2018 Jeep Wrangler Key Fob Battery Replacement

Troubleshooting Common Issues

Key fob still not working? Double-check that the new battery is installed correctly with the positive (+) side facing up. If it still doesn’t work, try reprogramming the key fob to your vehicle. Your owner’s manual will have instructions on how to do this.
Damaged key fob casing? If you accidentally damaged the casing while changing the battery, you may need to replace the entire key fob.

Why is my key fob not working after changing the battery?

Sometimes, the key fob might need to be re-synchronized with your Jeep after a battery change. Consult your owner’s manual for the specific reprogramming procedure for your 2018 Jeep Wrangler.

Reprogramming a 2018 Jeep Wrangler Key Fob

How long does a Jeep Wrangler key fob battery last?

Typically, a Jeep Wrangler key fob battery lasts between 3-5 years, depending on usage.

Conclusion

Changing the battery in your 2018 Jeep Wrangler key fob is a quick and easy process that anyone can do with the right tools and a little patience. By following this guide, you can save yourself a trip to the dealership and get back to enjoying your Jeep in no time. If you encounter any issues, refer to your owner’s manual or contact a qualified automotive technician.

FAQ

What type of battery does the 2018 Jeep Wrangler key fob use? A CR2032 battery.
How often should I change the battery in my key fob? Every 3-5 years, or when it starts to malfunction.
Can I change the battery myself, or do I need to go to a dealership? You can easily change it yourself following the steps outlined in this guide.
What if my key fob still doesn’t work after changing the battery? Try reprogramming the key fob to your vehicle. Consult your owner’s manual for instructions.
Where can I buy a replacement CR2032 battery? Most auto parts stores, pharmacies, and online retailers.
What should I do if I damage my key fob while changing the battery? You may need to replace the entire key fob.
Is there a special tool required to open the key fob? A small flathead screwdriver or a dedicated key fob removal tool will work.

Other helpful resources on KEYFOBPROG:

Programming a new key fob for your Jeep Wrangler
Troubleshooting common key fob issues
Understanding different types of car keys

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