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 WarningClimate Control Systems
These climate control systems control the heating, cooling, and ventilation for
the vehicle.
Climate Control System with Heater and Air Conditioning
1. Temperature Control
2. Fan Control
3. Air Delivery Mode Control
4. Driver and Passenger Heated Seats (If Equipped)
5. Air Conditioning
6. ...
Basecoat/Clearcoat Paint Systems
Warning: Exposure to isocyanates during paint preparation and application
processes can cause severe breathing problems. Read and follow all of the instructions
from the manufacturers of painting materials, equipment, and protective gear.
All paint finish repairs of rigid exterior sur ...
Steering Gear Replacement
Steering Gear Replacement
Callout
Component Name
Caution: With wheels of the vehicle facing straight ahead,
secure the steering wheel utilizing steering column anti-rotation pin,
steering column lock, or a strap to p ...