WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Behind Left Rear Seat

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Rear Window
2	Wheel Well-RR
3	Object Alarm Module (UFR)

Fig 2: Behind The Rear Seat

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Remote Control Door Lock Receiver (RCDLR)
2	Rear Park Assist Indicator (UD7)
3	Speaker - RR
4	Vehicle Communication Interface Module (VCIM) (UE1)
5	Amplifier (UQA)
6	Rear Compartment Courtesy Lamp
7	Speaker - LR

Fig 3: Rear of Vehicle

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Cellular Navigation (UE1) and Digital Radio Antenna (U2K)
2	Center High Mounted Stop Lamp (CHMSL)
3	Rear Window Defogger
4	Backup Lamp-RR
5	Tail Lamp-Right Auxiliary
6	Stop/Turn Signal Lamp-RR
7	Marker Lamp-RR
8	Object Alarm Sensor - RR Corner (UFR)
9	Object Alarm Sensor -RR Middle (UFR)
10	License Lamps
11	Object Alarm Sensor -LR Middle (UFR)
12	Object Alarm Sensor -LR Corner (UFR)
13	Marker Lamp-LR
14	Stop/Turn Signal Lamp-LR
15	Tail Lamp-Left Auxiliary
16	Backup Lamp-LR
17	Radio Rear Glass Antenna

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Object Detection Component Views

Use the Manual With the Right Hardware

When to See a Mechanic

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