OnStar

See also:

How to Inspect the Engine Air Cleaner/Filter
To inspect the air cleaner/filter, remove the engine air cleaner/filter from the vehicle by following Steps 1 through 6. When the engine air cleaner/filter is removed, lightly shake it to release ...

Factory Settings
This feature allows you to set all of the customization features back to their factory default settings. Press the customization button until Factory Settings appears on the DIC display. Pres ...

Manual Mode
Driver Shift Control (DSC) The vehicle has Driver Shift Control (DSC). DSC controls the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by allowing you to ...