A functional key fob provides easy remote access to your Chevy, and a dead battery can significantly disrupt your daily routine. Changing the battery is an easy process that you can quickly do at home. In this guide, our team at Huffines Chevrolet Lewisville provides everything you need to know to replace the battery in your Chevy's key fob without visiting a dealership.
Identifying Your Chevy Key Fob Model
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Chevy has a variety of key fob types for different models, including flip keys, smart keys, and basic fobs with simple buttons. It's important to determine the correct type for your specific car before attempting to replace the key fob battery.
Look at the back for any markings or engravings. Check for a Federal Communications Commission identification number or part number that'll help pinpoint your exact model. In the absence of visible markings, you may need to crack it open and look at the circuit board for tiny stickers or text. Your car's owner's manual often provided this info too. You can also contact a Chevy dealer with your vehicle identification number, or VIN, to get the right details.
Tools and Precautions Before Battery Replacement
You'll need a small flathead screwdriver or plastic pry tool, a new battery, and maybe tweezers. To loosen the screws on some fobs, you'll need a small precision screwdriver with a 1.4 mm or 2.4 mm bit. Make sure to work in a clean, dry environment to prevent debris from getting into the electronics.
Always prioritize safety and avoid touching the battery terminals directly. Hold the battery at the edges to prevent your skin oils from interfering with its performance. Take a few photos during disassembly to help you put the fob back together correctly later. Work slowly and be gentle with the fragile components inside. Depending on usage frequency and climate, Chevy key fob batteries typically last two to four years. Discard the old battery in accordance with your local recycling regulations.
Step-By-Step Guide for Replacing a Chevy Key Fob Battery
You can quickly change the battery in your Chevy's key fob by following a few easy steps.
Open the Key Fob Safely
You should carefully open the fob without breaking it. Look along the edge for a small notch or seam where the two halves meet. If you have a flip key, you may need to pull the key out to find this spot. Use your screwdriver or pry tool to gently separate the two halves by applying steady pressure as you work around the edges. Take your time to prevent cracking the plastic case. Some fobs have secret buttons or need special tricks to open. Check your owner's manual or find a YouTube video for your specific Chevy model.
Remove the Old Battery
Before removing the battery, take note of its location and orientation to ensure you place the new one correctly. Most Chevy fobs use CR2032 or CR2025 3V lithium coin batteries. Remove the old battery using your fingernail or a plastic tool, since metal can short out the electronics. Avoid touching any contacts or electrical components with bare fingers, and discard the old battery according to the appropriate recycling regulations.
Install the New Battery
Check that your new battery is clean and dry before installation. Try not to touch the flat sections with your fingers since oils from your skin can impair its performance. Double-check that you have the right battery and insert it into the fob. Although the positive side typically faces up, always copy the position of the old battery. Press it down gently until it's firmly in place. If your fob has a little clip or holder for the battery, make sure it clicks or grabs properly.
Reassemble the Key Fob
Close the fob by aligning both halves and all buttons properly. If the fob has a rubber gasket or seal, make sure that it's positioned correctly to keep water out. Press the pieces together until they snap shut; don't force them. If they won't click together easily, double-check your alignment. Once the fob is reassembled, test it by pressing a few buttons to see if your car responds.
What To Do if Your Key Fob Doesn't Work After Replacing the Battery
If the key fob doesn't work after replacing the battery, you can try a few things to fix the issue. Check that the battery's inserted correctly and makes good contact. If this doesn't work, try taking the battery out and putting it back in. This often resets the electronics.
If none of these tips work, your key fob may need reprogramming to sync with your car. This process varies according to the Chevy model and year. You can often do this yourself by following specific steps. Put your key in the ignition and turn it to the ON position without starting the engine. Hold down the Lock button on your fob, turn the key to OFF, pull it out, and release the button. You should hear the doors lock and unlock to show it worked.
Newer models can be trickier and may need professional assistance. If you've tried everything and the key fob still doesn't work or you notice physical damage, you should consult an expert at your local Chevy dealer.
Visit Huffines Chevrolet Lewisville Today
Changing the battery in your Chevy key fob is a straightforward process that you can accomplish at home with basic tools and patience. If you're in Lewisville, Texas, we invite you to visit us if you need help with any issues related to your Chevy key fob. Our team at Huffines Chevrolet Lewisville will assist and answer any questions you may have. Contact us today to explore our inventory or to schedule a test-drive or a service appointment.