OnStar Services

See also:

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 nee ...

When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and mile ...

Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with this system. For vehicles with the remote start feature, when activated, the climate control system heats or cools the ...