See also:

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 ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Engine Coolant Heater
Vehicles with the engine coolant heater can use this option in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug i ...