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:

Vehicle Care
California Proposition 65 WarningStabilizer Shaft Replacement
Special Tools
CH 904 Underframe
CH 49289 Centering Adapter
EN 45059 Torque Angle Sensor Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Turn the front wheels to the straight forward position and secure the
steering wheel from moving.
...
Replacing Airbag System Parts after a Crash
WARNING
A crash can damage the airbag systems in the vehicle.
A damaged airbag system may not work properly and may not protect you and your
passenger(s) in a crash, resulting in serious injury or even death. To help make
sure the airbag systems are working properly after a crash, have them in ...
Instrument Panel Upper Trim Pad Insert Replacement
Preliminary Procedure
Remove the instrument panel. Refer to Instrument Panel Assembly Replacement.
Instrument Panel Upper Trim Pad Insert Screw (Qty: 6)
Caution: Refer to Fastener Caution in the Preface section.
Tighten
2.5 N·m (22 lb in)
Instrument Panel Upper Trim Pad Insert Asse ...