WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Automatic Transmission Schematic Icons
Courtesy of GENERAL MOTORS CORP.
Fig 2: Automatic Transmission Controls Schematics (PCM Power & Ground)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Automatic Transmission Controls Schematics (Park/Neutral Position (PNP) Switch)