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 WarningOperation
Radio Controls without Touchscreen
The infotainment system is operated by using the pushbuttons, multifunction
knobs, menus shown on the display, and steering wheel controls, if equipped.
Turning the System On or Off
O /VOL (Power/Volume)
Press to turn t ...
Rear Seat Outboard Seat Back Airbag Replacement
Rear Seat Outboard Seat Back Airbag Replacement
Callout
Component Name
Warning: Following the deployment of a rear seat side air
bag, inspect the following parts for damage. Replace these parts if
necessary:
...
Battery Tray Replacement
Battery Tray Replacement
Callout
Component Name
Preliminary Procedures
Remove the battery. Refer to Battery Replacement.
Unclip the engine control module (ECM) bracket from the battery
tray and set aside.
Unclip the ...