How to Fix a General Motors Key Fob

by Tiffany Raiford
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car key and remote control isolated image by Nikolay Okhitin from

When the key fob on your General Motors vehicle stops working, there are a few things you can do to repair your fob. According to GM mechanics, these tricks work on most GM models but you should check the owner's manual for your specific year and model for additional repair methods.

Step 1

Change the battery in your key fob. Provide an employee at any auto parts store with the year and model of your specific GM vehicle to locate the correct battery for your keyless remote fob.

Step 2

Use a butter knife, flat head screwdriver or any other sharp tool to gently pry apart the two pieces of your key fob. Change out the old battery for the new one, put your fob back together and test your key fob.

Step 3

Reprogram your key fob with your GM vehicle. Get into your GM vehicle and close the door.

Step 4

Put your key into the ignition and press the "Unlock" button on your driver's door panel. Hold down until instructed to release.

Step 5

Turn the key in the ignition as far as you can without actually starting the engine, then promptly turn the key back to the off position. Repeat this step a second time.

Step 6

Release the "Unlock" button on your door panel. Your car will then automatically lock and unlock your doors.

Step 7

Push down both the "Lock" and "Unlock" buttons on your key fob until your car doors lock and unlock themselves.

Turn the engine of your car on to end the programming process and test your key fob.

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