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 WarningSteering Linkage Outer Tie Rod Replacement
Preliminary Procedure
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation.
Steering Linkage Tie Rod Nut
Caution: Refer to Fastener Caution in the Preface section.
Tighten
35 N·m (26 lb ft)
Steering Linkage Inner Tie Rod Nut
Tighten
60 N·m (44 ...
Basecoat/Clearcoat Paint Systems
Warning: Exposure to isocyanates during paint preparation and
application processes can cause severe breathing problems. Read and
follow all of the instructions from the manufacturers of painting materials,
equipment, and protective gear.
All paint finish repairs of rigid exterior surfaces mus ...
Front Floor Console Storage Tray Replacement
Preliminary Procedure
Remove the automatic or manual transmission control lever trim cover. Refer
to Automatic or Manual Transmission Control Lever
Trim Cover Replacement
Front Floor Console Storage Tray Screw (Qty: 2)
Caution: Refer to Fastener Caution in the Preface section.
Tighte ...