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 WarningInstrument Panel Compartment Door Dampener Replacement
Instrument Panel Compartment Door Dampener Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel lower compartment. Refer to Instrument Panel
Lower Compartment Replacement.
1 ...
Windshield Wiper Blade Replacement
Windshield Wiper Blade Replacement
Callout
Component Name
Preliminary Procedure
Service Up and hold the wiper arm off the windshield when performing
the wiper blade replacement.
Pinch the two tabs on top of the wiper blad ...
Engine Oil Cooler Inlet Pipe Replacement (LUW)
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the exhaust manifold with catalytic converter. Refer to Exhaust
Manifold with Catalytic Converter Replacement.
Remove the engine oil cooler pipe bolts (1) an ...