See also:

OnStar® Services
For new vehicles equipped with OnStar®, the Safe & Sound Plan, or the Directions & Connections® Plan is included for one year from the date of purchase. You can extend this plan beyond th ...

When the Change Engine Oil Soon Message Displays
Change engine oil and filter. See Engine Oil . An Emission Control Service. When the CHANGE ENGINE OIL SOON message displays, service is required for the vehicle as soon as possible, within the next ...

Vehicle Data Collection andEvent Data Recorders
Your vehicle, like other modern motor vehicles, has a number of sophisticated computer systems that monitor and control several aspects of the vehicle’s performance. Your vehicle uses on-board v ...