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To reprogram a chip key for a 2001 GM vehicle, you'll typically need to have at least one working key. Insert the working key into the ignition and turn it to the "On" position without starting the engine. After 10 minutes, turn the key back to "Off" and repeat this process two more times, then insert the new key and turn it to the "On" position for 10 minutes. This should program the new key to your vehicle. If you don't have a working key, you may need to visit a dealership or a professional locksmith.

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3w ago

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