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Key Identification and Usage

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Key And Code Tag
GM239215Courtesy of GENERAL MOTORS CORP.

The keys are double sided and reversible. The lock cylinder keyway is designed so that other model keys will not enter a current model lock cylinder. The keys have 10 cut positions. A single key is used for all locks on the vehicle.

The key identification is obtained from the five-character key code stamped on the key code tag (1). The code list, available to owners of key cutting equipment from equipment suppliers, determines the lock combinations from the code numbers.

If the code numbers are not available from the records or from the tags, the key code can be obtained from the right-side door lock cylinder (if the key has not been replaced). Lock cylinders supplied by the factory as service parts are unmarked. If the original key is available, the key code cutting combination can be determined by laying the key on the key code diagram.