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

Behind Passenger Seat - Right Rear


Object Number: 1656985  Size: LF
(1)Rear Seat Back Body Panel
(2)Vehicle Interface Communication Module (VCIM) (UE1)
Figure 2:

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 3:

Overhead Console


Object Number: 1697766  Size: LF
(1)Garage Door Opener Buttons (UG1)
(2)Noise Compensation Microphone (UQA)
(3)Overhead Console Lamp Switch-Passenger
(4)Sun Shade Switch (DE9)
(5)Overhead Console Lamp-Passenger
(6)Sunroof Vent Switch (CF5)
(7)Inflatable Restraint PASSENGER OFF/ON Indicator
(8)Rear Window Sunshade Module
(9)Rear Window Sunshade Assembly
(10)C395
(11)Sunroof Open Switch (CF5)
(12)Overhead Console Lamp-Driver
(13)Overhead Console Lamp Switch-Driver
(14)Cellular Microphone (UE1)
Figure 4:

Cellular and Digital Components


Object Number: 1697751  Size: LF
(1)G306
(2)Defogger Grid
(3)G307
(4)Radio Antenna Module
(5)Cellular/GPS (UE1)and/or Digital Antenna (U2K)
(6)Vehicle Communication Interface Module (VCIM) (UE1)
(7)Digital Radio Receiver (DRR) (U2K)