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 WarningBrake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits need to be working.
If the warning light comes on, there is a brake problem. Have the brake system ...
Rear Compartment Lid Adjustment
Rear Compartment Lid
Caution: Refer to Fastener Caution in the Preface section.
Procedure
Loosen the rear compartment lid hinge bolt (Qty: 4) to
adjust the rear compartment lid.
Adjust the rear compartment lid in order to obtain an even gap between
the rear compartment ...
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the tire and wheel. Refer to Tire and Wheel Removal and
Installation.
Note: DO NOT re-use the lower control arm bolts and nuts. Discard
and use NEW only.
Remove wheel speed sensor wiring harness ...