Cadillac 2010 DTS - Manual (Page 424)

Vehicle Identification
Vehicle Identification Number (VIN)
This legal identifier is in the front corner of the
instrument panel, on the driver side. It can be seen
through the windshield from outside. The VIN also
appears on the Vehicle Certification and Service Parts
labels and certificates of title and registration.
Engine Identification
The eighth character in the VIN is the engine code. This
code identifies the vehicle's engine, specifications, and
replacement parts. See “Engine Specifications” under
Capacities and Specifications on page 6‑114 for the
vehicle's engine code.
Service Parts Identification Label
This label, on the spare tire cover, has the following
information:
. Vehicle Identification Number (VIN)
. Model designation
. Paint information
. Production options and special equipment
Do not remove this label from the vehicle.
6-104