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 WarningDriver or Passenger Seat Replacement
Removal Procedure
Warning: Refer to SIR Warning in the Preface section.
Warning: When carrying a live inflator module, make sure the bag
opening is pointed away from you. This minimizes the chance of
injury in the case of an accidental deployment. Never carry the inflator module
by the wi ...
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Dis ...
Drive Belt Replacement
Special Tools
EN 6349 Locking Pin
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Open the hood.
Remove the power steering pump belt. Refer to Power Steering Pump Belt
Replacement.
Raise the vehicle by its full height. Refer to Lifting and Jacking the
Vehicl ...