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 WarningWater Hose Test
Note: Use a water hose without the nozzle attached.
Have an assistant inside of the vehicle i 1. n order to locate the leak.
Begin testing at the base of the window or the windshield.
Slowly move the hose upward and across the top of the vehicle.
...
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 ...
Towing the Vehicle
Notice: Incorrectly towing a disabled vehicle may cause damage. The
damage would not be covered by the vehicle warranty. Do not lash or hook to the
chassis components including the front and rear subframes, suspension control arms
and links during towing and recovery of a disabled vehicle or t ...