GM Service Manual Online
For 1990-2009 cars only

Object Number: 153729  Size: SH

The vehicle identification number (VIN) plate is the legal identifier of the vehicle. The VIN plate is located on the upper LH corner of the instrument panel (I/P) and can be seen through the windshield from the outside of the vehicle:

Vehicle Identification Number (VIN) System

Position

Definition

Character

Description

1

Country of Origin

1

U.S.A.

2

Manufacturer

G

General Motors

3

Make

6

Cadillac

4-5

Carline/Series

Y

XLR

XLR-V

6

Body Style

3

Two Door Convertible

7

Restraint System

2

4

7

Active Manual Belts w/Driver and Passenger Inflatable Restraint System Frontal

Active Manual Belts w/Driver and Passenger Inflatable Restraint System Frontal and Side

Active Manual Belts w/Driver and Passenger Inflatable Restraints - Front, Side and Roof and Occupant Sensor

8

Engine Type

A

D

RPO LH2, 4.6L, V8, SFI, DOHC

RPO LC3, 4.4L, V8, MFI, SC, ALUM, DOHC, GM

9

Check Digit

--

Check Digit

10

Model Year

6

2006

11

Plant Location

5

Bowling Green, KY

12-17

Plant Sequence Number

600001

Plant Sequence Number

VIN Derivative

Position

Definition

Character

Description

All engines and transmissions are stamped or laser etched with a partial vehicle identification number (VIN), which was derived from the complete VIN. A VIN derivative contains the following nine positions.

1

GM Division Identifier

6

Cadillac

2

Model Year

6

2006

3

Assembly Plant

5

Bowling Green, KY

4-9

Plant Sequence Number

600001

Plant Sequence Number

VIN Positions

VIN Derivative Position

Equivalent VIN Position

A VIN derivative can be used to determine if a vehicle contains the original engine or transmission, by matching the VIN derivative position to the corresponding position in the complete VIN.

1

3

2

10

3

11

4-9

12-17

4.4L RPO LC3 Engine ID and VIN Derivative Location

Refer to Engine Identification for the 4.4L engine.

4.6L RPO LH2 Engine ID and VIN Derivative Location

Refer to Engine Identification for the 4.6L engine.

5L40-E/5L50-E Transmission ID and VIN Derivative Location

Refer to Transmission Identification Information for the 5L40-E/5L50-E transmission.

6L80-E Transmission ID and VIN Derivative Location

Refer to Transmission Component and System Description for the 6L80-E transmission.