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 WarningInstallation Procedure
Cut the front compartment front rail in corresponding locations to fit
the remaining original panel. The sectioning joint should be
trimmed to allow a gap of one-and-one-half-times the metal thickness at the
sectioning joint.
Create a 50 mm (2 in) backing plate from the unused porti ...
Front End Upper Tie Bar Replacement
Preliminary Procedure
Remove the front bumper fascia. Refer to Front Bumper Fascia
Replacement
Remove the radiator support bracket. Refer to Radiator Support Bracket
Replacement
Remove the radiator grille reinforcement support. Refer to Radiator
Grille Reinforcement Suppor ...
Floor Air Outlet Duct Replacement - Right Side (Right Hand Drive)
Removal Procedure
Remove instrument outer trim cover -- right side. Refer to Instrument
Panel Outer Trim Cover Replacement - Right Side.
Remove instrument panel lower trim pad cover -- left side. Refer to
Instrument Panel Lower Trim Pad Cover Replacement.
Remove flo ...