GM Transponder Key Blank PK3

This transponder key will work on the cars in the chart below.  This is a "transponder" key.  Most modern automobiles have keys with transponders hidden inside the plastic head of the key. When a key is inserted into the ignition lock cylinder and turned, the transponder chip is energized to send it's code. Unless the transponder replies with a valid code, the computer will not allow the engine to be started. Transponder keys have no battery; they are energized when inserted into the ignition switch..

This is a blank key that must be cut to match your current key.  Many hardware stores or locksmiths can do this for you.  In addition, your car must be trained to recognize the transponder.  You can do this yourself and programming procedures to do this are included. 

This key fits the following cars: