2010 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 561

Vehicle Identification Vehicle Identification Number (VIN) Service Parts Identification Label This label, on the inside of the glove box, 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. 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 Certification/Tire and Service Parts labels and certificates of title and registration. Electrical System Add-On Electrical Equipment Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should. Add-on equipment can drain the vehicle battery, even if the vehicle is not operating. 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 6‑126 for the vehicle's engine code. 6-117