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

Headliner Components - Bottom


Object Number: 1657333  Size: LF
(1)Sunshade - Left Rear (DC5)
(2)Rear Park Assist Indicator (UFR)
(3)Courtesy Lamp - Right Rear (V4U)
(4)Sunshade - Right Rear (DC5)
(5)Garage Door Opener Transmitter (UG1)
(6)Noise Compensation Microphone (UQA)
(7)Courtesy Lamp - Right Front (V4U)
(8)Sunshade - Right Front
(9)Sunshade Switch (DE9)
(10)Inflatable Restraint I/P Module Indicator
(11)Inside Rearview Mirror (ISRVM)
(12)Onstar Button Assembly (UE1)
(13)Sunroof Switch (CF5)
(14)Sunshade - Left Front (- V4U)
(15)Courtesy Lamp - Left Front (V4U)
(16)Cellular Microphone (UE1/U3Q/U3R/U3U)
(17)Courtesy Lamp - Left Rear (V4U)
Figure 2:

Rear of the Vehicle


Object Number: 1657327  Size: LF
(1)Rear Window Defogger
(2)RFA Rear Glass Antenna
(3)Radio Rear Glass Antenna
(4)Center High Mounted Stop Lamp (CHMSL)
(5)Tail Lamp - Right
(6)Object Alarm Sensor - Right Rear Outer (UFR)
(7)Object Alarm Sensor - Right Rear Middle (UFR)
(8)License Lamp
(9)Object Alarm Sensor - Left Rear Middle
(10)Object Alarm Sensor - Left Rear Outer
(11)Tail Lamp - Left
(12)Remote Control Door Lock Receiver (RCDLR)