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 WarningRear Compartment Lid Replacement
Rear Compartment Lid Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear compartment lid inner panel trim. Refer to Rear Compartment
Lid Inner Panel Trim Replacement.
1
Rear ...
Rear Side Door Trim Replacement (Hatchback)
Rear Side Door Trim Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear side door upper rear trim panel. Refer to Rear Side Door
Upper Rear Trim Panel Replacement.
1
Rear Si ...
Camshaft Position Actuator Solenoid Valve Replacement
Removal Procedure
Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
Disconnect the intake camshaft position actuator solenoid valve wiring
harness plug (3).
Disconnect the exhaust camshaft position actuator solenoid valve wiring ...