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 Side Door Weatherstrip Replacement - Body Side
Front Side Door Weatherstrip - Body Side
Procedure
Start at the rear 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 ...
Rear Bumper Fascia Outer Guide Replacement
Preliminary Procedure
Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement.
Rear Bumper Fascia Outer Guide Rivet (Qty: 3)
Special Tools
BO-594-A Hand Rivet Tongs
For equivalent regional tools, refer to Special Tools.
Rear Bumper Fascia Outer Guide
...
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel
nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced.
If the wheel leaks air, replace it.
Some aluminum wheels can be repaired. See your dealer if any of these conditions
exist.
Your de ...