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 WarningCooling System
The cooling system allows the engine to maintain the correct working temperature.
1.4L L4 Engine Shown, 1.8L L4 Engine Similar
1. Engine Cooling Fan (Out of View)
2. Engine Coolant Surge Tank and Pressure Cap
WARNING
An electric engine cooling fan under the hood can start up even when the eng ...
Interior Windnoise
Warning: Refer to Assistant Driving Warning in the Preface section.
Interior windnoise is not heard when the window is lowered. Interior
windnoise is caused by the air leaving the inside of the vehicle
through a seal or a seam.
Tape over the relief valves to cause added air pressure wi ...
Mild Steel
This information provides repair recommendations and general guidelines for
steel classified as Mild Steel. This type of steel normally has a
tensile strength less than 270 MPa. This includes the common steel names of:
Mild Steel
Bake Hardenable Steel (BH)
Solid Solution Strengthened Stee ...