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 WarningWhen to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil
and filter. This is based on a combination of factors which include engine revolutions,
engine temperature, and miles driven. Based on driving conditions, the mileage at
which an oil change is indicated can vary co ...
How to Add Coolant to the Coolant Surge Tank
Caution
This vehicle has a specific coolant fill procedure. Failure to follow this
procedure could cause the engine to overheat and be severely damaged.
If no problem is found, check to see if coolant is visible in the coolant surge
tank. If coolant is visible but the coolant level is not at t ...
Hood Primary Latch Release Cable Handle Replacement
Hood Primary Latch Release Cable Handle Replacement
Callout
Component Name
Preliminary Procedure
Remove the front side door opening floor carpet retainer. Refer to Front
Side Door Opening Floor Carpet Retainer Replacement. ...