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 WarningFront Brake Rotor Replacement
Special Tools
CH-41013 Rotor Resurfacing Kit
CH-42450-A Wheel Hub Resurfacing Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Warning: Refer to Brake Dust Warning in the Preface section.
Raise and support the vehicle. Refer to Lifting and Jacking ...
Rear Seat Back Cushion Cover and Pad Replacement - Left Side
Preliminary Procedure
Remove rear seat - left side. Refer to Rear Seat Replacement
Rear Seat Back Cushion Cover
Procedure
Remove the staples from the seat back cover.
Remove seat back cushion cover from Velcro.
Rear Seat Back Cushion Pad
Rear Seat Back Cushion Cover and Pad Re ...
Turn Signal Switch Replacement
Preliminary Procedure
Remove the steering column upper trim cover. Refer to Steering Column
Upper Trim Cover Replacement.
Remove the steering column lower trim cover. Refer to Steering Column
Lower Trim Cover Replacement.
Turn Signal Switch
Procedure
Disconnect any elec ...