For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

California Proposition 65 WarningAll-Season Tires
This vehicle may come with all-season tires. These tires are designed to provide
good overall performance on most road surfaces and weather conditions. Original
equipment tires designed to GM's specific tire performance criteria have a TPC specification
code molded onto the sidewall. Origi ...
Drivetrain and Front Suspension Frame Replacement
Special Tools
EN-45059 Angle Meter
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Support the radiator and condenser from above using the upper brackets
on each side.
Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle.
Re ...
Air Intake System Description
Circuit/System Description
The primary function of the air intake system is to provide filtered air
to the engine. The system uses a filter element mounted in a housing. The filter
housing is remotely mounted and uses intake ducts to route the incoming air
into the throttle body. T ...