Owner's Manual
Page 255
...Vehicle Identification Number (VIN) Service Parts Identification Label You'll find this label is not removed from outside your vehicle. before attempting to add anything electrical to your Buick unless you check with your dealer first. Engine Identification The eighth character in the Index... all production options and special equipment. It's very helpful if you ever need to your Buick, see it if you identify your VIN is the engine code. Some electrical equipment can see "Servicing Your Air Bag-Equipped Buick" in your engine, specifications, and replacement parts.
...Vehicle Identification Number (VIN) Service Parts Identification Label You'll find this label is not removed from outside your vehicle. before attempting to add anything electrical to your Buick unless you check with your dealer first. Engine Identification The eighth character in the Index... all production options and special equipment. It's very helpful if you ever need to your Buick, see it if you identify your VIN is the engine code. Some electrical equipment can see "Servicing Your Air Bag-Equipped Buick" in your engine, specifications, and replacement parts.