OnStar

See also:

Power Outlets
The accessory power outlets can be used to plug in electrical equipment, such as a cellular telephone. The vehicle may have up to three power outlets depending on the type of front seat installed ...

Every Engine Oil Change
► Change engine oil and filter. Reset oil life system. See Engine Oil  and Engine Oil Life System . An Emission Control Service. ► Engine coolant level check. See Engine Coolant . ...

Secondary Latch System
Your vehicle has an underbody-mounted tire hoist assembly equipped with a secondary latch system. It is designed to stop the spare tire from suddenly falling off your vehicle if the cable holding ...