See also:

Special Application Services
. Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. - Have underbody flushing service performed once a year. ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Services Not Included in Roadside Service
Impound towing caused by violation of any laws. Legal fines. Mounting, dismounting, or changing of snow tires, chains, or other traction devices. Towing or services for vehicles driven on ...