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

Left Front of the Passenger Compartment, in the Left Front Seat Cushion


Object Number: 525044  Size: LF
(1)LH Front Heated Seat Cushion Element (LH Front Heated Seat Back Element Similar) (RH Similar)
Figure 2:

Left Front of the Passenger Compartment, Under the Left Front Seat


Object Number: 594423  Size: LF
(1)Memory Seat Module
(2)LH Front Heated Seat Module (RH Similar)
Figure 3:

Passenger Compartment, in the Left Front Seat


Object Number: 525053  Size: LF
(1)Left Front Power Restraint Motor and Sensor (Right Similar)
(2)Left Front Seat Belt Retractor (Right Similar)
(3)C326 (Right) and C325 (Left)
(4)Left Seat Rear Vertical Position Sensor (Right Similar)
(5)Left Seat Rear Vertical Motor (Right Similar)
(6)Left Seat Front Vertical Position Sensor (Right Similar)
(7)Left Seat Front Vertical Motor (Right Similar)
(8)Left Seat Horizontal Motor (Right Similar)
(9)Left Seat Horizontal Position Sensor (Right Similar)
(10)C323 and C314 (Left) and C324 (Right)
(11)Left Seat Recline Position Sensor (Right Similar)
(12)Left Seat Recline Motor (Right Similar)
(13)Left Front Seat Massaging Power Lumbar Assembly (Right Similar)
Figure 4:

Left Front Seat, on the Left Side of the Seat Cushion


Object Number: 524977  Size: LF
(1)LH Front Power Seat Switch and LH Front Seat Lumbar Switch (RH Similar)
(2)LH Front Seat Belt Retractor (RH Similar)
Figure 5:

LH Seat Connectors


Object Number: 492643  Size: MF
(1)C302
(2)Inflatable Restraint Connector
Figure 6:

Left Front Door, on the Door Trim Panel


Object Number: 534708  Size: LF
(1)Driver Door Switch Assembly (DDSA) (RH Similar)
(2)LH Front Door Lock Switch (RH Similar)
(3)LH Front Door Speaker (Full Range) (RH Similar)
(4)LH Front Door Courtesy Lamp (RH Similar)
(5)LH Front Heated Seat Switch (RH Similar)
(6)Memory Function Switch
Figure 7:

Left Front of the Passenger Compartment, Under the Left Front Seat


Object Number: 592166  Size: LF
(1)LH Front Seat Lumbar Horizontal Position Sensor
(2)LH Front Seat Lumbar Horizontal Motor (RH Similar)
(3)LH Front Seat Lumbar Vertical Motor (RH Similar)
(4)LH Front Seat Massage Module (RH Similar)
(5)LH Front Seat Lumbar Vertical Position Sensor (RH Similar)
Figure 8:

Center Rear of the Passenger Compartment, in the Rear Seat Back


Object Number: 525046  Size: LF
(1)RH Rear Heated Seat Module
(2)Seat Belt Control Module
(3)LH Rear Heated Seat Module
Figure 9:

Left Rear of the Passenger Compartment, Left Side of the Rear Seat Back


Object Number: 524887  Size: LF
(1) Heated Seat Element -- LR, RR Similar
(2)S333
(3)C306
(4)S334
Figure 10:

Front of the Left Rear Door


Object Number: 524980  Size: LF
(1)LH Rear Door Lock Switch (RH Similar)
(2)LH Rear Cigar Lighter (RH) Similar
(3)LH Rear Door Speaker (Full Range) (RH Similar)
(4)LH Rear Door Courtesy Lamp (RH Similar)
(5)LH Rear Seat Lumbar Switch (RH Similar)
(6)LH Rear Heated Seat Switch (RH Similar)
(7)LH Rear Power Window Switch (RH Similar)