OnStar Services

See also:

Automatic Operation
AUTO (Automatic): When automatic operation is active, the system will control the inside temperature, the air delivery mode, and the fan speed. Use the steps below to place the entire system in ...

Hill Start Assist (HSA)
This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward o ...

Control of a Vehicle
Braking, steering, and accelerating are important factors in helping to control a vehicle while driving. ...