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 WarningBattery Disconnect Warning
Warning: Unless directed otherwise, the ignition and start switch
must be in the OFF or LOCK position, and all electrical loads must be
OFF before servicing any electrical component. Disconnect the negative battery
cable to prevent an electrical spark should a tool or
equipment come in contact ...
Rear Side Door Weatherstrip Replacement - Body Side
Rear Side Door Weatherstrip - Body Side
Procedure
Start at the front upper corner of the door opening and pull the
weatherstrip away from the door opening flange.
Position the weatherstrip in the upper corner of the center pillar.
Working downward along the front edge, in ...
Hood Primary Latch Release Cable Replacement
Preliminary Procedure
Remove hood primary latch release cable handle. Refer to Hood Primary
Latch Release Cable Handle Replacement.
Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement
Remove the radiator grille support. Refer to Radiator Grille
Reinforcem ...