How do I program a new key for an 05 chevy colorado without going to dealer?

Big Sexy

New member
This solution is for an 07 Colorado will it work fo 05? If it is a VATS2 system the key is to be left in the on position for 10 min for the BCM to recognize it. This cycle is to be repeated 3 times. A battery charger may be needed to ensure adequate battery voltage and preventing a no start condition...............If this will work I understand the concept of how to do it.
 
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