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

Rear of the Vehicle


Object Number: 1258723  Size: LF
(1)Tail Lamp Assembly - Left
(2)Back Up Lamp - Left
(3)Fog Lamp - LR (Europe)
(4)License Lamp - Left
(5)Center High Mounted Stop Lamp (CHMSL)
(6)License Lamp - Right
(7)Back Up Lamp - Right
(8)Fog Lamp - RR (Europe)
(9)Tail Lamp Assembly - Right
(10)Object Sensor - Right Rear Corner
(11)Object Sensor - Right Rear Middle
(12)Rear Compartment Lid Release Switch - Exterior
(13)Object Sensor - Left Rear Middle
(14)Rear Compartment Lid Key Cylinder
(15)Object Sensor - Left Rear Corner
Figure 2:

Center of the Vehicle


Object Number: 1827059  Size: LF
(1)Digital Radio Receiver
(2)Rear Parking Assist (RPA) Display
(3)Adaptive Cruise Control Module
Figure 3:

Rear Object Sensor Control Module and VCIM


Object Number: 1827057  Size: LF
(1)Rear Object Sensor Control Module
(2)Vehicle Communication Interface Module (VCIM)
(3)Rear Parking Assist (RPA) Diagnostic Connector