GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 DTS 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Passenger Compartment/Roof Component Views
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:

Headliner Components - Top
Object Number: 1657336 Size: LF
(1)Sunroof Control Module (CF5)
(2)Courtesy Lamp - Right Rear (V4U)
(3)Rear Park Assist Indicator
(4)Courtesy Lamp - Left Rear (V4U)
(5)Sunroof Motor (CF5)
(6)Sunroof Assembly
Figure 3:

Sill Plate Lighting and Courtesy Lamp Module (C97)
Object Number: 2010112 Size: LF
(1)Sillplate Lamp - Left Rear
(2)Sillplate Lamp - Left Front
(3)Sillplate Lamp - Right Front
(4)Courtesy Lamp Module
(5)Sillplate Lamp - Right Rear
Figure 4:

Overhead Console
Object Number: 1697766 Size: LF
(1)Garage Door Opener Buttons (UG1)
(2)Noise Compensation Microphone (UQA)
(3)Courtesy Lamp Switch - Right Front
(4)Sun Shade Switch (DE9)
(5)Courtesy Lamp - Right Front
(6)Sunroof Vent Switch (CF5)
(7)Inflatable Restraint PASSENGER OFF/ON Indicator
(8)Rear Window Sunshade Module
(9)Rear Window Sunshade Assembly
(10)X395
(11)Sunroof Open Switch (CF5)
(12)Courtesy Lamp - Left Front
(13)Courtesy Lamp Switch - Left Front
(14)Cellular Microphone (UE1)
Figure 5:

Upper Center of the Windshield
Object Number: 1358074 Size: LF
(1)Outside Moisture Sensor (CE1)
Figure 6:

Battery Cable Harness
Object Number: 1619132 Size: LF
(1)Fuse Block - Underhood
(2)Floor Panel
(3)Battery
(4)G303
(5)Fuse Block - Rear Terminal Connector
Figure 7:

Under Passenger Seat - Right Rear
Object Number: 1656936 Size: LF
(1)Body Harness
(2)G303
(3)Battery Current Sensor
(4)X337 Negative Battery Cable to the Body Harness
(5)Rear Seat Back Cushion
(6)Battery Positive Cable
(7)Fuse Block - Rear
(8)Battery
(9)Negative Battery Cable
Figure 8:

Above Quarter Panel - Right Rear
Object Number: 1656975 Size: LF
(1)G307
(2)Rear Seat Back Body Panel
Figure 9:

Passenger - Left Rear Area
Object Number: 1657000 Size: LF
(1)G306
(2)Inflatable Restraint Roof Rail Module - Left
(3)X321 Body Harness to Headliner Harness
(4)Traffic Information Receiver (Japan)
(5)X445 Body Harness to Rear Shelf Harness
(6)X313 Body Harness to LR Seat Harness
(7)JX300
(8)G301
(9)Fuse Block - Rear
(10)Audio Amplifier
Figure 10:

Passenger - Right Rear Area
Object Number: 1657011 Size: LF
(1)C-Pillar
(2)Seat Belt Pretensioner - Right Front
(3)Inflatable Restraint Side Impact Sensor - Right
(4)Inflatable Restraint Roof Rail Module - Right (AY0)
(5)Body Harness
Figure 11:

Driver Seat Area Components (Body Harness)
Object Number: 1657014 Size: LF
(1)X315 Body Harness to Driver Seat Harness
(2)G300
(3)Inflatable Restraint Side Impact Module - Left Connector
(4)G305
(5)Yaw and Lateral Acceleration Sensor (JL4)
(6)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(7)Inflatable Restraint Side Impact Sensor - Left
(8)Seat Belt Pretensioner - Left Front
(9)B-Pillar
(10)Inflatable Restraint Roof Rail Module - Left (AY0)
Figure 12:

Entertainment Components
Object Number: 1657325 Size: LF
(1)Speaker - Front Center (U57)
(2)Radio
(3)Speaker - Right A-Pillar Tweeter
(4)Speaker - Right Front Door
(5)Speaker - Right Rear Door
(6)Speaker - Rear Subwoofer
(7)Audio Amplifier
(8)Speaker - Left Rear Door
(9)Speaker - Left Front Door
(10)Speaker - Left A-Pillar Tweeter
Figure 13:

Rear Seat Components
Object Number: 1657273 Size: LF
(1)Seat Lumbar Vertical Motor - Left Rear (ARC)
(2)Heated Seat Element - Right Rear Back (KA6)
(3)Seat Lumbar Horizontal Motor - Left Rear (ARC)
(4)Heated Seat Module - Rear (KA6)
(5)Seat Lumbar Horizontal Motor - Right Rear (ARC)
(6)Seat Lumbar Vertical Motor - Right Rear (ARC)
(7)Heated Seat Element - Left Rear Back (KA6)
(8)Heated Seat Element - Left Rear Cushion (KA6)
(9)Heated Seat Element - Right Rear Cushion (KA6)
Figure 14:

Driver Seat
Object Number: 1702242 Size: LF
(1)Inflatable Restraint Side Impact Module - Left
(2)Seat Back Ventilation Heat and Cool Module - Driver (KB6)
(3)Seat Lumbar Motor - Driver (AL2)
(4)Seat Recline Motor - Driver (AG1/A45)
(5)Seat Lumbar Switch - Driver (AL2/A45)
(6)Memory Seat Module (MSM) (A45/AM3/KB6)
(7)Seat Cushion Ventilation Heat and Cool Module - Driver (KB6)
(8)Seat Belt Switch - Left
(9)Seat Rear Vertical Motor - Driver
(10)Seat Rear Vertical Position Sensor - Driver (A45)
(11)Seat Horizontal Motor - Driver
(12)Seat Adjuster Motor Assembly - Driver (AG1/A45)
(13)Seat Horizontal Position Sensor - Driver (A45)
(14)Seat Front Vertical Position Sensor - Driver (A45)
(15)Seat Adjuster Switch - Driver (AG1/A45)
(16)Seat Lumbar Massage Switch - Driver (AM3)
(17)Seat Lumbar Massage Motor - Driver (AM3)
(18)Seat Recline Position Sensor - Driver (A45)
Figure 15:

Passenger Seat
Object Number: 1702243 Size: LF
(1)Seat Back Ventillation Heat and Cool Module - Passenger (KB6)
(2)Inflatable Restraint Side Impact Module - Right
(3)Seat Lumbar Motor - Front Passenger (AL2)
(4)Seat Adjuster Switch - Passenger (AG2)
(5)Seat Lumbar Massage Switch - Front Passenger (AM3)
(6)Inflatable Restraint Passenger Presence System (PPS) Sensor
(7)Seat Belt Switch - Right
(8)Inflatable Restraint Seat Position Sensor (SPS) - Right
(9)Climate Control Seat Module - Front (KB6)
(10)Seat Cushion Ventillation Heat and Cool Module - Front Passenger (KB6)
(11)Inflatable Restraint Passenger Presence System (PPS) Sensor Connector
(12)Seat Horizontal Motor - Passenger
(13)Seat Front Vertical Motor - Passenger
(14)Seat Rear Vertical Motor - Passenger
(15)Seat Recline Motor - Front Passenger (AG2)
(16)Seat Lumbar Massage Motor - Front Passenger
Figure 16:

Top Right Side of Front Windshield
Object Number: 1711540 Size: LF
(1)Radio Front Glass Antenna
Figure 17:

Antenna Modules (UQ3, Japan)
Object Number: 1860572 Size: LF
(1)Front Windshield
(2)FM Antenna Module
(3)Antenna/TV Antenna Amplifier - Right Rear Center (U3Q, Japan)
(4)Antenna/TV Antenna Amplifier - Right Rear (U3Q, Japan)
(5)Video Display Module (U3Q)
(6)Remote Control Door Lock Receiver (RCDLR)
(7)Traffic Information Receiver (U3Q)
(8)X342
(9)Antenna/TV Antenna Amplifier - Left Rear Center (U3Q, Japan)
(10)Antenna/TV Antenna Amplifier - Right Rear (U3Q, Japan)
(11)Radio Antenna Module
(12)Cellular Navigation and Digital Radio Antenna (UE1/U2K)
Figure 18:

Left and Right C-Pillars
Object Number: 1860582 Size: LF
(1)Inner Frame - Left
(2)X321
(3)X304 (AY0)
(4)Inflatable Restraint Roof Rail Module - Left (AY0)
(5)Inflatable Restraint Roof Rail Module - Right (AY0)
(6)X305 (AY0)
(7)Inner Frame - Right
Figure 19:

Center of Rear Shelf
Object Number: 1860591 Size: LF
(1)Rear Window
(2)X395
(3)Rear Window Sunshade Module (DE9)
(4)Rear Window Sunshade Actuator (DE9)
(5)Rear Window Sunshade (DE9)
Figure 20:

Passenger Seat
Object Number: 1860624 Size: LF
(1)Passenger Seat
(2)Inflatable Restraint Passenger Seat Belt Tension Sensor (Part of Seat Buckle Assembly)
(3)Inflatable Restraint Seat Position Sensor (SPS) - Right
Figure 21:

Courtesy Lamp Module Location
Object Number: 1860648 Size: LF
(1)Courtesy Lamp Module (- B9Q/V4U)
(2)Headliner Harness
Figure 22:

Drivers Seat
Object Number: 1860675 Size: LF
(1)Drivers Seat
(2)Auxiliary Power Outlet-Front Seat
Figure 23:

Top of Rear Window
Object Number: 1860618 Size: LF
(1)Rear Window Defogger Grid
(2)Remote Start Antenna