GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Passenger Compartment/Roof Component Views
Figure 1:

SIR Components
Object Number: 1507681 Size: LF
(1)Inflatable Restraint I/P Module
(2)Inflatable Restraint Roof Rail Module - Right (AY1)
(3)Inflatable Restraint Roof Rail Module - Left (AY1)
(4)Inflatable Restraint Steering Wheel Module
(5)Floor Panel
Figure 2:

Under Console Components
Object Number: 1552099 Size: LF
(1)Yaw and Lateral Accelerometer Sensor (JL4)
(2)Center Console Support
(3)Body Harness
Figure 3:

Roof/Headliner Components 1 of 4
Object Number: 1206302 Size: LF
(1)Inside Rearview Mirror (ISRVM)
Figure 4:

Roof/Headliner Components 2 of 4
Object Number: 1507661 Size: LF
(1)Overhead Console Courtesy/Reading Lamps - Left and Right
(2)Garage Door Opener (GDO) (UG1)
(3)Courtesy/Reading Lamps - Left Rear (DH6)
(4)Rear Park Assist (RPA) Display (UD7)
(5)Courtesy/Reading Lamps - Right Rear (DH6)
Figure 5:

Roof/Headliner Components 3 of 4
Object Number: 1542523 Size: MF
(1)X398 (CF5)
(2)Sunroof Motor (CF5)
Figure 6:

Roof/Headliner Components 4 of 4
Object Number: 1552092 Size: LF
(1)Digital Radio Antenna (U2K)
(2)Radio Antenna Module
(3)Roof Panel
(4)Radio Rear Window Antenna
(5)Rear Window Defogger Grid
Figure 7:

Under Front Seats Components
Object Number: 1552094 Size: LF
(1)Front Passenger Seat
(2)Driver Seat
(3)Inflatable Restraint Sensing and Diagnostic Module (SDM)
Figure 8:

Driver Seat Components 1 of 2
Object Number: 1507667 Size: LF
(1)Seat Frame
(2)Seat Lumbar Motor - Driver (AL9)
(3)Heated Seat Element - Driver Back (KA1)
(4)Heated Seat Element - Driver Cushion (KA1)
(5)Seat Lumbar Switch - Driver (AL9)
(6)Seat Adjuster Switch - Driver (AG1)
(7)Heated Seat Relay - Driver (KA1)
(8)Horizontal Motor (part of the Seat Adjuster Motor Assembly - Driver)
(9)Front Vertical Motor (part of the Seat Adjuster Motor Assembly - Driver)
(10)Rear Vertical Motor (part of the Seat Adjuster Motor Assembly - Driver)
(11)Seat Belt Pretensioner - Left
Figure 9:

Driver Seat Components 2 of 2
Object Number: 1530180 Size: LF
(1)Seat Back
(2)Seat Cushion
(3)Seat Belt Pretensioner - Left
(4)Seat Belt Buckle - Driver
Figure 10:

Front Passenger Seat Components 1 of 2
Object Number: 1507669 Size: LF
(1)Heated Seat Element - Passenger Cushion (KA1)
(2)Heated Seat Element - Passenger Back (KA1)
(3)Inflatable Restraint Passenger Presence System (PPS) Sensor
(4)Heated Seat Relay - Passenger (KA1)
(5)Horizontal Motor (part of the Seat Adjuster Motor Assembly - Passenger)
(6)Front Vertical Motor (part of the Seat Adjuster Motor Assembly - Passenger)
(7)Rear Vertical Motor (part of the Seat Adjuster Motor Assembly - Passenger)
(8)Inflatable Restraint Passenger Presence System (PPS) Module
(9)Seat Adjuster Switch - Passenger (AG2)
Figure 11:

Front Passenger Seat Components 2 of 2
Object Number: 1530179 Size: LF
(1)Seat Cushion
(2)Seat Back
(3)Seat Belt Buckle - Passenger
(4)Seat Belt Pretensioner - Right
Figure 12:

Speaker Components
Object Number: 1507677 Size: LF
(1)Audio Amplifier (U88)
(2)Speaker - Left Rear
(3)Speaker - Left Front Door
(4)Speaker - Left Front Tweeter
(5)Speaker - Center I/P (U88)
(6)Radio
(7)Speaker - Right Front Tweeter
(8)Speaker - Right Front Door
(9)Speaker - Right Rear
Figure 13:

Rear Window Shelf Components
Object Number: 1507685 Size: LF
(1)Audio Amplifier (U88)
(2)Remote Control Door Lock Receiver (RCDLR)
(3)Navigation Antenna (UE1)
(4)Rear Window Shelf
(5)Rear Object Sensor Control Module (UD7)
(6)Electronic Compass Module
(7)Rear Compartment Courtesy Lamp