See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system s ...

Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). See Fuel E85 (85% Ethanol) . For all other vehicles, use ...

Removing the Flat Tire and Installing the Spare Tire
1. Do a safety check before proceeding. See If a Tire Goes Flat for more information. 2. Turn the wheel wrench counterclockwise to loosen the wheel nut caps. If needed, finish loosening th ...