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Home >> Chevrolet >> 2004 >> Suburban C2500, 8.1 G >> Repair and Diagnosis (Single Page) >> Body & Frame >> Ignition Switch/Steering Lock >> General Information >> Introduction >> Key and Lock Cylinder Coding >> Key Identification and Usage
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Key Identification and Usage

Fig 1: Identifying Key Cutting Depths
GM337412Courtesy of GENERAL MOTORS CORP.

The keys are double sided and reversible. The master key and the valet key contain transponders that are read by the theft deterrent system when the keys are used in the ignition. The keys have 10 cuts positions (1) with 4 different depths (2).

The keys that are furnished with the vehicle are: