OnStar Services

See also:

Steps for Determining Correct Load Limit
1. Locate the statement “The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs” on your vehicle's placard. 2. Determine the combined weight of the driver and ...

Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty service, contact your dealer and request an appointment. By scheduling a service appointment and advising the service consultant of your transportation ne ...

Engine Drive Belt Routing
CTS V6 Engines CTS-V 6.2L V8 Engine ...