GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Park Avenue 🢒 Transmission/Transaxle 🢒 Shift Lock Control 🢒 Power Seat Component Views
Figure 1:

Passenger Compartment, Under the Left Front Seat
Object Number: 317657 Size: LF
(1)S336
(2)S337
(3)S338
(4)S330
(5)S334
(6)S332
(7)S339
(8)Memory Seat Module (MSM)
Figure 2:

Driver Seat Switches
Object Number: 741201 Size: MF
(1)Seat Adjuster - Driver, Front Passenger Similar
(2)Seat Lumbar Switch - Driver (w/AL2) Front Passenger Similar
(3)Seat Belt Switch, Inside Seat Belt Buckle
Figure 3:

Driver Seat
Object Number: 741365 Size: MF
(1)Heated Seat Cushion Element - Driver, Front Passenger Similar, Heated Seat Back Element Similar
(2)Heated Seat Module - Driver, Hidden Front Passenger Similar
Figure 4:

Passenger Compartment, the Front of the I/P
Object Number: 403049 Size: LF
(1)Headlamp Dimmer Switch
(2)Driver Information Center (DIC) Switch
(3)Multifunction Lever
(4)Instrument Panel Cluster (IPC)
(5)Turn Signal/Multifunction Switch
(6)Steering Wheel Control Assembly
(7)Traction Control Switch
(8)Radio
(9)Air Temperature Switch Assembly - Right
(10)Heated Seat Switch - Front Passenger
(11)HVAC Control Module
(12)Cigar Lighter - Instrument Panel and Ashtray Lamp
(13)Heated Seat Switch - Driver
(14)Ignition Switch
(15)Horn Switch
(16)Steering Wheel Control Assembly
(17)Rear Compartment Lid Release Switch
(18)Fuel Door Release Switch
Figure 5:

LH Front Seat Horizontal and Vertical Motors and Sensors
Object Number: 492636 Size: MF
(1)Seat Horizontal Position Sensor - Driver
(2)Seat Rear Vertical Position Sensor - Driver
(3)Seat Rear Vertical Motor - Driver, Front Passenger Similar
(4)Seat Front Vertical Motor - Driver, Front Passenger Similar
(5)Seat Horizontal Motor - Driver, Front Passenger Similar
(6)Seat Front Vertical Position Sensor - Driver
Figure 6:

LH Front Seat Back
Object Number: 492615 Size: MF
(1)Seat Lumbar Vertical Position Sensor - Driver
(2)Seat Lumbar Vertical Motor - Driver, Front Passenger Similar
(3)Seat Recline Motor - Driver, Front Passenger Similar
(4)S331
(5)S330
(6)Seat Lumbar Horizontal Motor - Driver, Front Passenger
(7)Seat Lumbar Horizontal Position Sensor - Driver
Figure 7:

LH Lumbar and Seat Switch
Object Number: 492640 Size: MF
(1)Seat Adjuster Switch - Driver, Front Passenger Similar
(2)Seat Lumbar Switch - Driver, Front Passenger Similar