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 WarningJump Starting
If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle.
Be sure to use the following steps to do it safely.
WARNING
Batteries can hurt you. They can be dangerous because:
• They contain acid that can burn you.
• They contain gas ...
Removal Procedure
Remove the drivetrain and front suspension frame. Refer to Drivetrain
and Front Suspension Frame Replacement.
Mark Installation position of insulator (2) at frame (1).
Cut out frame insulator core (1) from frame insulator (2).
Note: On the rear insulator dril ...
Intermediate Steering Shaft Replacement
Removal Procedure
Turn the steering wheel to the straight forward position and support it
from movement
Remove the 2 intermediate steering shaft bolts (1).
Remove the intermediate steering shaft (1).
Installation Procedure
Install the intermediate steering shaft ...