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 WarningWindows
Warning
Never leave a child, a helpless adult, or a pet alone in a vehicle, especially
with the windows closed in warm or hot weather. They can be overcome by the extreme
heat and suffer permanent injuries or even death from heat stroke.
The vehicle aerodynamics are designed to improve fuel ...
Liftgate Hinge Replacement
Liftgate Hinge Replacement
Callout
Component Name
Preliminary Procedures
Remove the liftgate. Refer to Liftgate Replacement.
Lower the rear of the headliner to access the inner bolts. Refer
to Headlining Trim Panel Replac ...
Radiator Replacement (LUV)
Removal Procedure
Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct
Replacement.
Remove the front compartment front insulator cover. Refer to Front Compartment
Front Insulator Cover Replacement.
Remove the engine coolant fan shroud. Refer to Engine Coo ...