OnStar Services

See also:

Programming Universal HomeRemote — Fixed Code
Fixed Code garage door openers are used for garage doors produced prior to 1996. Fixed code uses the same coded signal every time, which is manually programmed by setting DIP switches for a unique ...

Owner Checks and Services
At Each Fuel Stop • Check the engine oil level. See Engine Oil. Once a Month • Check the tire inflation pressures. See Tire Pressure. • Inspect the tires for wear. See Tire Inspection. ...

Roadside Assistance Program
For U.S. purchased vehicles, call 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438). For Canadian purchased vehicles, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year ...