Last Updated on April 13, 2023 by Victor A

If you have a Jeep, you’ll certainly need to change the battery in your key fob at some point. While it may seem like a daunting task, it’s quite simple if you follow the proper instructions. With this step-by-step guide, you’ll be able to learn how to change the battery in a Jeep key fob in just a few minutes.

Note that the battery in your key fob should usually last between three to four years, although, if you frequently drive your Jeep in hot weather, the battery could last for only two years.

How do I know if the fob battery is dying?

In order to know if the battery is dying you should look for any of these signs:

  • Having to press the button repeatedly while moving closer to the car.
  • If the key fob seems to properly work some days, and others not.
  • If it’s not working at all.

Tools and materials needed to replace a Jeep key fob

tools and material for changing the battery in a Jeep key fob
flat-blade screwdriver (left) and CR2032 3-volt battery (right)

For changing the battery you only need one tool and one material, the first thing you need is a small flat-blade screwdriver, make sure it’s not too big as it might not fit inside the key fob.

And lastly, a CR2032 3-volt battery, you can find the battery almost everywhere, but to keep it simple, you could just go to an authorized Jeep dealer where they will sell you the battery.

Here’s the step-by-step guide on how to change the battery in a Jeep key fob.

There are only five easy steps to follow through, and it should only take you about three minutes to perform them all.

  1. Turn the fob sideways and slide the mechanical latch that you can find on the back of the key fob.If the key fob seems to properly work some days, and others not.
  2. Remove the emergency key and insert the screwdriver in the gap where the key was.If the key fob seems to properly work some days, and others not.
  3. Slightly open the cover by using your hands to separate the case, and remove the inner part of the fob with your hands, this is where the buttons and battery are located. 
  4. Pull out the old battery either with the screwdriver or your finger.
  5. Insert the new battery, making sure the positive pole is facing up, and then just reattach the parts of the fob and insert the emergency key.

And that’s it! You’ve now successfully changed the battery in your Jeep key fob.

If you are still a bit confused, watch this video below from the official Mopar Youtube channel where they show you the step-by-step process:

With this simple guide, changing the battery key fob should be a breeze. Just make sure to follow the instructions carefully and to have the right tools and materials on hand. With a new battery, your key fob should be good as new.

This guide should work for new and old Jeep keys, while there may be some slight differences in new 2021-2023 key fobs, we know they simplified the process.

So it should be easier to replace the battery. Worst case scenario you can go to a Jeep dealer where they will happily change the battery for you.




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