How to Change the Battery in GMC Key Fob

As a proud GMC owner in Kirksville, you have come to rely on your vehicle's cutting-edge technology and convenience, including the key fob. This small but powerful device puts the power of your GMC at your fingertips. Whether remotely starting the engine on a frosty morning, unlocking the doors with arms full of groceries, or activating the panic alarm in an emergency, your key fob is indispensable. But what happens when it stops working or the range decreases? The culprit may be a dying battery.

Because faulty keyless entry and remote start can disrupt the seamless GMC experience you have come to expect, we're offering a step-by-step guide to changing your key fob's battery. It provides tips for extending battery life and addresses common issues that may arise even after replacement. With our expert guidance, you'll be back to enjoying the full capabilities of your GMC's key fob in no time.

Although GMC designs its key fob batteries to last several years, yours will eventually need replacing. Signs indicating a failing battery include:

• Reduced range: If you need to be closer to your vehicle for the key fob to work, the battery is weakening.
• Inconsistent operation: Your key fob working intermittently or requiring multiple button presses to function are often signs of a failing battery.
• Unresponsive buttons: If one or more buttons on your key fob stop working, it could be due to a low battery.
• A warning light on the dashboard: Some GMC models have a key fob battery warning light on the instrument cluster, indicating when it's time for a replacement.
• Failure to start the vehicle remotely: If your GMC has remote start functionality and it suddenly stops working, a weak key fob battery could be the culprit.

If you notice any of these signs, it's time to consider changing your GMC key fob battery. The good news is that this is a simple DIY task.

You'll need a few basic tools for a DIY key fob battery change. These include a:

• New CR2032 battery for GMC (or the specific type for your model): Determine the correct battery size for your GMC model's key fob. Check your owner's manual or the label of the existing battery.
• Small flathead screwdriver or plastic pry tool: These will open the key fob case without causing damage.
• Small coin (optional): Some key fobs have a small slot you can open with a coin, making the process even easier. Check your owner's manual for specific instructions.

Now that you have all the necessary tools, you can open the GMC key fob and replace the battery in four easy steps.

Most GMC key fobs feature a small notch or seam to separate the two halves of the casing. Locate this notch, usually near the key ring, and gently insert a screwdriver or pry tool to open the fob. Use a coin if your key fob has a slot for one. Be careful not to damage any internal components while opening the fob.

Opening the key fob reveals the circuit board and the old battery. The battery sits in a circular compartment; a small metal clip usually holds it in place. Note the battery's orientation and carefully remove it.

Carefully place the new battery in its designated spot, with the positive (+) side matching the orientation of the old one. Gently press it in until it's secure. Avoid touching the flat surfaces of the power cell, as this can cause contamination from skin oils. If the battery doesn't fit properly, check you have the correct size.

Once the new battery is securely in place, carefully realign the two halves of the fob's casing. Ensure that none of the fob's internal components are pinched or misaligned, and press the casing halves together until you hear them click, indicating a full seal. Test all the buttons to confirm proper functionality. You have successfully changed your GMC key fob battery and can enjoy all the restored features.

Although key fob batteries will eventually need replacing, there are many things you can do to extend their useful life and avoid frequent changes. These include:

• Avoiding extreme temperatures: Avoid leaving your key fob in direct sunlight or freezing temperatures for too long, as this can damage the battery.
• Minimizing button presses: Repeated and unnecessary button pressing can drain the battery faster.
• Storing the fob properly: When it's not in use, keep your key fob away from electronic devices that may interfere with its signal.
• Using a key fob cover: A protective cover can prevent accidental button presses and protect against moisture and impact damage.
• Turning off the key fob when it's not in use: Some GMC models allow you to turn off the key fob temporarily. Consult your owner's manual for instructions.

If your GMC key fob isn't working even after replacing the battery, there may be other underlying issues. Possible causes include interference, loose buttons, broken car door locks, a damaged circuit board, or a problem with the vehicle's programming. 

If none of these troubleshooting tips work, you need one of our certified GMC technicians at the Kirksville Motor Company. With our commitment to helping customers maintain their vehicles, we can diagnose underlying issues and provide solutions to keep your key fob in top condition. Contact us today to schedule a service appointment or get expert advice on maintaining your GMC key fob.

GMC Yukon Denali by Michael is licensed with CC BY 2.0