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:

California Proposition 65 WarningFront Side Door Weatherstrip Replacement - Door Side
Front Side Door Weatherstrip Replacement - Door Side
Callout
Component Name
1
Front Side Door Weatherstrip Upper Retainer
Procedure
Open the front side door to the fully open position.
Remove the front side do ...
Instrument Panel Knee Bolster Replacement
Instrument Panel Knee Bolster Replacement
Callout
Component Name
Preliminary Procedures
Disable the SIR system. Refer to SIR Disabling and Enabling.
Remove the driver inflatable restraint instrument panel lower module.
...
Engine Front Cover and Oil Pump Disassemble
Engine Front Cover Disassemble
Remove the intake camshaft position sensor bolt (1).
Remove the intake camshaft position sensor (2) and the seal ring (3).
Remove the exhaust camshaft position sensor bolt (6).
Remove the exhaust camshaft posi ...