by 
Anonymous
ANSWERS: 1
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You can't program keyfobs on the sunfire without the GM Scan Tool. You will need to go to a dealership. You can try to resynchronize the fobs to see if that fixes your problem. Stand closer than 5 feet from the vehicle Push and hold both Lock and Unlock buttons for 10 seconds or untill the door locks cycle. If they do cycle you probably fixed the problem. Hope this is helpfull
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