WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Door Switches And Radio Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 2: Fog Lamp Switch Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 3: HVAC Control Assembly, Automatic Transmission Shift Lock Control Actuator And Traction/Suspension Control Switch Schematics