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 WarningWindow Lockout
This feature prevents the rear passenger windows from operating, except from
the driver position.
Press to disable the rear window
switches.
Press again to return to normal
window operation. ...
Replacement Wheels Description
Replace the wheel if any of the following conditions exist:
The wheel exhibits excessive runout.
The wheel is bent.
The wheel is cracked.
The wheel is severely rusted.
The wheel is severely corroded.
Note: Air leaks caused by porosity on aluminum wheels are repairable.
...
Fuel Tank Replacement
Removal Procedure
Disconnect the battery negative cable. Refer to
Battery Negative Cable Disconnection and Connection.
Relieve the fuel pressure. Refer to
Fuel Pressure Relief.
Drain the fuel Tank. Refer to
Fuel Tank Draining.
Lift and support the vehicle. Refer ...