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 WarningHow Does an Airbag Restrain?
In moderate to severe frontal or near frontal collisions, even belted occupants
can contact the steering wheel or the instrument panel. In moderate to severe side
collisions, even belted occupants can contact the inside of the vehicle.
Airbags supplement the protection provided by safety belts ...
Quarter Outer Panel Pressure Relief Valve Replacement
Quarter Outer Panel Pressure Relief Valve Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement
1
Quarter Outer Panel Pre ...
Range Selector Lever Cable Bracket Replacement
Removal Procedure
Set the park brake and chock the wheels.
Disconnect the range selector cable end (1) from the
range selector lever.
Disconnect the range selector cable (2) from the range
selector cable bracket.
Remove the transmission rang ...