Do you own a Jeep? If so, you know the key fob is important. It helps you get in your car. It helps start your engine. But what happens if it stops working? Often, the battery is the problem. So, let’s find out what battery a Jeep key fob takes.

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Why Does the Key Fob Battery Matter?
The key fob is like a remote control. It tells your car what to do. The battery powers the fob. If the battery is dead, the fob won’t work. You can’t unlock your car. You can’t start your Jeep. That is why knowing the right battery is important.
What Type of Battery Does a Jeep Key Fob Use?
Most Jeep key fobs use a CR2032 battery. This is a small, round battery. It looks like a coin. You can find it in many stores. It is not expensive. You might see it called a “button cell” battery. This is the common name.
How To Know It’s Time To Change The Battery?
- The fob works only sometimes.
- The range of the fob is shorter.
- The car does not respond to the fob at all.
- A warning light on your dashboard appears.
If you see these signs, it is time to change the battery. Do not wait until it completely dies. It is better to change it early.

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How to Change the Battery in a Jeep Key Fob
Changing the battery is easy. You do not need special tools. You can do it at home. Follow these steps:
- Find the seam on your key fob. This is where the two halves meet.
- Use a small tool to open the fob. A flat screwdriver works well.
- Gently pry the two halves apart.
- Take out the old battery.
- Put the new battery in. Make sure it faces the right way.
- Snap the two halves back together.
Now, your key fob should work again. Test it to make sure.
Where to Buy the Battery
You can buy a CR2032 battery in many places. Try a local store. Check the electronics section. Many online shops sell them too. They are affordable. You might want to buy a few. Then, you have extras for next time.
Tips For Buying A Battery
- Look for a trusted brand.
- Check the expiration date.
- Read customer reviews.
A good battery lasts a long time. It is worth spending a little more for quality.
How Long Does the Battery Last?
A CR2032 battery lasts about 1-2 years. It depends on how much you use your fob. If you use it often, it will not last as long. A spare battery is always a good idea. Keep one in your car or at home.
What If the Key Fob Still Does Not Work?
Sometimes, the battery is not the problem. If the new battery does not help, try these steps:
- Check the battery is installed correctly.
- Look for damage to the fob.
- Try reprogramming the fob.
If these steps do not work, contact your dealer. They can help you fix the problem.
Frequently Asked Questions
What Type Of Battery Does A Jeep Key Fob Use?
A Jeep key fob typically uses a CR2032 battery. It’s a common button cell battery.
How Can I Replace My Jeep Key Fob Battery?
Open the key fob, remove the old battery, and insert a new CR2032 battery.
How Long Does A Jeep Key Fob Battery Last?
Usually, a Jeep key fob battery lasts around 2 to 3 years with regular use.
Can A Low Battery Affect My Jeep Key Fob?
Yes, a low battery can reduce the signal range and cause issues in unlocking your vehicle.
Conclusion
Your Jeep key fob needs a good battery. A CR2032 battery is what you need. It is easy to change. You can do it yourself. Always keep a spare battery. This way, you are ready if your fob stops working.
Remember, a working key fob makes life easier. You can get in your car fast. You can start your Jeep without problems. So, check your battery. Change it when needed. Enjoy your Jeep with a reliable key fob.
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