GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Entertainment Component Views
Figure 1:

Rear of the Roof
Object Number: 821498 Size: LF
(1)Digital Radio Antenna
Figure 2:

Left Side of the Rear Compartment
Object Number: 821501 Size: LF
(1)Digital Radio Receiver
Figure 3:

Right Side of the Instrument Panel, in the Instrument Panel Compartment
Object Number: 524966 Size: LF
(1)I/P Compartment Lamp Switch
(2)Valet Switch
(3)I/P Compartment Lamp
(4)Remote Playback Device -- CD Changer
Figure 4:

Passenger Compartment, Center of the Instrument Panel
Object Number: 524953 Size: LF
(1)Sunload Sensor Assembly
(2)Speaker - Front I/P Midrange
(3)Hazard Switch
(4)Instrument Panel Integration Module (IPM)
(5)Radio (w/o U3R, U3S, U3Q)
(6)Driver Information Center (DIC) Switch - Right
Figure 5:

Passenger Compartment, Center Front of the Headliner
Object Number: 524995 Size: LF
(1)Sunroof Slide Switch (Part of the Power Sunroof Switch Assembly)
(2)Rear Window Sunshade Switch
(3)Overhead Console Courtesy Lamp
(4)Noise Compensation Microphone
(5)Outside Moisture Sensor
(6)Inside Rearview Mirror
(7)Overhead Console Courtesy Lamp
(8)Cellular Telephone Microphone
(9)Garage Door Opener
(10)Sunroof Vent Switch (Part of the Power Sunroof Switch Assembly)
(11)Overhead Console
Figure 6:

Front of the Left Rear Door
Object Number: 524980 Size: LF
(1)Door Lock Switch -- LR, RR Similar
(2)Cigar Lighter -- LR, RR Similar
(3)Speaker -- LR Door, RR Similar
(4)Door Courtesy Lamp -- LR Door, RR Similar
(5)Seat Lumbar Switch -- LR, RR Similar
(6)Heated Seat Switch -- LR, RR Similar
(7)Window Switch -- LR, RR Similar
Figure 7:

Left Front Door, on the Door Trim Panel
Object Number: 534708 Size: LF
(1)Driver Door Switch Assembly (DDSA), Passenger Similar
(2)Door Lock Switch -- Driver, Passenger Similar
(3)Speaker -- LF Door, RF Door Similar
(4)Courtesy Lamp -- Left Front Door, Right Front Door Similar
(5)Heated Seat Switch -- Driver, Passenger Similar
(6)Memory/Personalization Function Switch
Figure 8:

Left Rear of the Passenger Compartment, Behind the Rear Seat Back
Object Number: 525027 Size: LF
(1)Audio Amplifier
Figure 9:

Left Front of the Passenger Compartment
Object Number: 893860 Size: LF
(1)Speaker- LF (RF Similar)
(2)Steering Wheel Controls- Right
(3)Steering Wheel Controls- Left
Figure 10:

Left Rear Corner of the Passenger Compartment, Above the Rear Seat
Object Number: 525023 Size: LF
(1)Radio Antenna Module
(2)TV Antenna Amplifier -- Left
(3)Seat Belt Retractor -- LR
Figure 11:

Right Corner of the Passenger Compartment, Above the Rear Seat
Object Number: 525020 Size: LF
(1)Seat Belt Retractor -- RR
(2)TV Antenna Amplifier -- Right
(3)TV Antenna Module
(4)Speaker -- Rear Subwoofer