How to Change Battery in 2018 GMC Sierra Key Fob

Changing the battery in your 2018 GMC Sierra key fob is a quick and easy process that can save you the hassle of a dead key fob. This guide provides a step-by-step walkthrough, ensuring you’re back on the road in no time.

Why Change Your Key Fob Battery Yourself?

Dead key fob batteries are an inevitable part of car ownership. Knowing how to replace the battery yourself can save you time and money compared to visiting a dealership or locksmith. Plus, it’s a simple task that almost anyone can handle with the right tools and instructions.

What You’ll Need

Before you begin, gather these few items:

A small flathead screwdriver or a similar pry tool.
A fresh CR2032 battery. These are readily available at most stores.
Optional: A small container to hold the screws.

Step-by-Step Guide: How to Change Battery in 2018 GMC Sierra Key Fob

Here’s a detailed guide on how to change the battery in your 2018 GMC Sierra key fob:

Locate the release button: On the side of your key fob, you’ll find a small release button. Press this button to release the metal key.
Separate the key fob halves: Using the metal key or a small flathead screwdriver, carefully pry open the key fob casing. Start at the notch where the metal key was released. Be gentle to avoid damaging the plastic.
Identify the old battery: Inside the key fob, you’ll see the CR2032 battery. Note its position and orientation.
Remove the old battery: Gently pry the old battery out of its slot using your flathead screwdriver.
Insert the new battery: Place the new CR2032 battery into the slot, ensuring it matches the orientation of the old battery. Press it down firmly until it’s securely in place.
Reassemble the key 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 vehicle to ensure the new battery is working correctly.

Replacing the Battery in a 2018 GMC Sierra Key Fob

Troubleshooting

If your key fob still doesn’t work after replacing the battery, try these troubleshooting tips:

Check the battery orientation: Make sure the new battery is inserted correctly with the positive (+) side facing up.
Clean the battery contacts: Use a cotton swab or a soft cloth to clean the battery contacts inside the key fob.
Try a different battery: Occasionally, a new battery may be faulty. Try a different CR2032 battery to rule this out.

Checking Battery Orientation and Contacts in GMC Sierra Key Fob

When to Replace Your Key Fob Battery

It’s best to replace your key fob battery proactively before it completely dies. Signs that your battery is weakening include:

Reduced key fob range.
Dim or flickering key fob indicator light.
Intermittent key fob operation.

“Regularly changing your key fob battery can prevent those frustrating moments when your key fob fails to work,” says automotive expert, Michael Carter, ASE Certified Master Technician. “It’s a small preventative measure that can save you time and headaches down the road.”

Testing GMC Sierra Key Fob Range

Conclusion

Changing the battery in your 2018 GMC Sierra key fob is a simple DIY task that takes just a few minutes. By following the steps outlined in this guide, you can save yourself a trip to the dealership and keep your key fob working like new. Remember to have a fresh CR2032 battery and a small flathead screwdriver handy.

FAQ

What type of battery does the 2018 GMC Sierra key fob use? A CR2032 battery.
How often should I change the key fob battery? Every 2-3 years, or sooner if you notice signs of weakening.
Can I damage my key fob by changing the battery myself? It’s unlikely, but be gentle when prying open the casing and handling the internal components.
What if my key fob still doesn’t work after changing the battery? Check the battery orientation, clean the contacts, or try a new battery. If the issue persists, consult a professional.
Where can I buy a CR2032 battery? Most electronics stores, pharmacies, and online retailers carry CR2032 batteries.
Is there a special tool required to open the key fob? A small flathead screwdriver or similar pry tool is typically sufficient.
Can I use any brand of CR2032 battery? While any reputable brand should work, it’s recommended to use a quality battery.