OnStar Services

See also:

Feature Settings Menu Items
The following are customization features that allow you to program settings to the vehicle: DISPLAY IN ENGLISH This feature will only display if a language other than English has been set. This ...

Driver Efficiency Gauge
For eAssist vehicles, this gauge assists in driving efficiently and will vary based on driver input. To maximize efficiency, keep the gauge pointed in the solid green zone in the center of ...

When to Change Engine Oil
Your vehicle has a computer system that lets you know when to change the engine oil and filter. This is based on engine revolutions and engine temperature, and not on mileage. Based on driving c ...