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 WarningLicense Plate Lamp
To replace the license plate lamp bulb:
1. Remove the two screws from the license plate lamp assembly.
2. Turn and pull the license plate lamp assembly down.
3. Turn the bulb socket counterclockwise and pull straight out of the lamp assembly.
4. Remove the bulb by pulling it straight out of ...
Rear Side Door Weatherstrip Replacement - Door Side
Rear Side Door Check Bolt
Caution: Refer to Fastener Caution in the Preface section.
Tighten
25 N·m (19 lb ft)
Rear Side Door Weatherstrip - Door Side
Procedure
Unclip weatherstrip from rear side door.
When removing protective liners from adhesive tape, be care ...
Aluminum Wheel Porosity Repair
Remove the tire and wheel. Refer to Tire and Wheel Removal
and Installation.
Inflate the tire to the manufactures specified pressure as stated on the
tire.
Submerge the tire/wheel into a water bath in order to locate the leak.
Inscribe a mark on the wheel in order to indic ...