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 Lock Cylinder Coding (Free Wheeling)
Special Tools
BO-49753 Assembly Tool
The door lock cylinder uses 8 of the 8?€‰cut positions. The tumbler positions
are staggered from side to side, 4 on one side and 4 on the other, are not self-retaining,
and are not snap in.
Note: All lock cylinders for side milled keys ha ...
Rear Side Door Window Outer Sealing Strip Replacement (Sedan)
Rear Side Door Window Outer Sealing Strip Replacement
Callout
Component Name
1
Rear Side Door Window Outer Sealing Strip
Procedure
Use the appropriate tool, lift one end up and pull away from the door
flange t ...
Ignition and Start Switch Housing Replacement
Ignition and Start Switch Housing Replacement
Callout
Component Name
Preliminary Procedures
Remove the theft deterrent module. Refer to Theft Deterrent Module
Replacement.
Remove the turn signal switch bracket. Refer to T ...