See also:

NEUTRAL
Use this range when vehicle is standing for prolonged periods with engine running. The engine may be started in this range. Set the parking brake and shift the transmission into PARK if you must ...

Five-Speed Automatic Transmission – 5.7L Engine
The shift lever position display (located in the instrument panel cluster) indicates the transmission gear range. You must press the brake pedal to move the shift lever out of the PARK position ...

Occupant Restraint Controller (ORC)
The ORC is part of a Federally regulated safety system required for this vehicle. The ORC determines if deployment of the front and/or side air bags in a frontal or side collision is required. B ...