Buick Key Fob Battery Replacement

Man opening car with key fob

A Buick key fob makes every Happy Valley drive more convenient and easier to manage when you lock and unlock your SUV. At some point, your Buick key fob may not work as you expect. If that happens, you may need a Buick key fob battery replacement. 

Our guide from the expert service team at Weston Buick GMC, Inc. shows you how to open a Buick key fob, how to take apart a Buick key fob, and how to program a Buick key fob. We’ll go through each process step by step.

When It’s Time for Buick Key Fob Battery Replacement

How do you know when you need a Buick key fob battery replacement? You may notice the functionality of the key fob is drastically reduced. For example, your Buick key fob could unlock your driver’s door from 10 feet away, but now it’s just 3 feet. Range reduction is the first thing you’ll notice when you need a new Buick key fob battery for your Enclave, Encore GX, Envision, or Envista

How to Change the Battery in a Buick Key Fob

If you’re not sure how to change the battery in a Buick key fob, that’s okay. It’s not something you do very often because the batteries can last for several years. Learning how to open a Buick key fob is very easy, just like removing batteries from a kids’ toy, remote control, or smartphone. 

Follow these step-by-step directions on how to take apart a Buick key fob and how to open a Buick key fob. It should take just a few minutes of your time, and then you’re good to go.

  1. Press down on the button on the top of the key fob. It releases the internal key, which is a conventional key to unlock and lock your SUV. 
  2. Find the slot in the middle of the space. 
  3. Use a flathead screwdriver to pry open the key fob. Find it between the two small dents where the physical key used to be. 
  4. Remove the Buick key fob battery cover.
  5. Remove the silver disc, which is the battery, with the screwdriver or manually.
  6. Confirm that the new Buick key fob replacement battery is the correct size. It should match the one you just removed. 
  7. Install the new battery by pushing it into the gap with the positive side facing downward.
  8. With the battery locked into place, reattach the cover.
  9. Click the two sides together. When the sides are in place, you’ll hear a clicking sound.
  10. Your new Buick key fob battery is ready to go! 

If you lose your Buick key fob or don’t want to handle the Buick key fob battery replacement, contact us or call (503) 379-9695. We have many new parts for Buick vehicles, including a new Buick key fob. Our team can make a new key to your car door or reprogram the key fob you have on hand to make sure it works properly with your Buick.

How to Program a Buick Key Fob

Understand how to program a Buick key fob with these quick steps:

  1. Hold the “Lock” and “Unlock” buttons on your remote while the key is inside your vehicle.
  2. Wait until the vehicle beeps twice to indicate successful programming. 
  3. Repeat with additional keys and remotes. 

Buick Key Fob Battery Replacement at Weston Buick GMC, Inc. 

Still have questions about how to change the battery in a Buick key fob or how to take apart a Buick key fob? Call (503) 379-9695. Or, come by Gresham, near Portland and Beaverton, to see how we can help.


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Weston Buick GMC, Inc. 45.51922, -122.43042.