GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Headliner Components


Object Number: 1507661  Size: LF
(1)Reading Lamps - Overhead Console
(2)Garage Door Opener
(3)Dome / Reading Lamp - Left
(4)Rear Park Assist (RPA) Display
(5)Dome / Reading Lamp - Right
Figure 2:

Rear of the Passenger Compartment


Object Number: 1507685  Size: LF
(1)Audio Amplifier
(2)Remote Control Door Lock Receiver (RCDLR)
(3)Navigation Antenna
(4)Rear Window Shelf
(5)Rear Parking Assist (RPA) Module
(6)Electronic Compass Module
(7)Rear Compartment Courtesy Lamp
Figure 3:

LH Side of Rear Compartment


Object Number: 1565184  Size: LF
(1)Rear Parking Assist (RPA) Diagnostic Connector
Figure 4:

Rear of the Vehicle


Object Number: 1507909  Size: LF
(1)Rear Window Defogger Grid
(2)Center High Mounted Stop Lamp (CHMSL)
(3)Backup Lamp - Right
(4)Tail Lamp - Right Upper
(5)Tail / Stop and Turn Signal Lamp - Right
(6)Marker Lamp - Right
(7)Tail Lamp - Right Lower
(8)Object Sensor - RR Corner
(9)Object Sensor - RR Middle
(10)License Lamp - Right
(11)License Lamp - Left
(12)Object Sensor - LR Middle
(13)Object Sensor - LR Corner
(14)Tail Lamp - Left Lower
(15)Marker Lamp - Left
(16)Tail / Stop and Turn Signal Lamp - Left
(17)Backup Lamp - Left
(18)Tail Lamp - Left Upper