WARNING: This page is about a different car, the 2009 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: BCM, Remote Control Door Lock Receiver, Flasher Relay
Courtesy of GENERAL MOTORS CORP.
Fig 2: BCM, Front Door Lock Switches, Actuators
Courtesy of GENERAL MOTORS CORP.
Fig 3: BCM, Rear Door Lock Actuators, Door Jamb Switches, Liftgate Actuator