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 WarningPrevailing Torque Fasteners
Prevailing torque fasteners create a thread interface between the fastener
and the fastener counterpart in order to prevent the fastener
from loosening.
All Metal Prevailing Torque Fasteners
These fasteners accomplish the thread interface by a designed distortion or
deformation in the fastene ...
Steering Linkage Inner Tie Rod Replacement (Hydraulic Power Steering)
Special Tools
CH-6247 Removal and Installation Tool for the Steering Linkage Inner Tie Rod
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the tire and wheel assembly. Refer to ...
Shifting Into Park
Use this procedure to shift into P (Park):
1. Hold the brake pedal down and set the parking brake.
2. Hold the button on the shift lever and push the lever toward the front of the
vehicle into P (Park).
3. Turn the ignition to LOCK/OFF.
Leaving the Vehicle with the Engine Running
WARNING
It ...