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 WarningMetric Fasteners
This vehicle provides fastener dimensions using the metric system. Most
metric fasteners are approximate in diameter to equivalent
English fasteners. Make replacements using fasteners of the same nominal
diameter, thread pitch, and strength.
A number marking identifies the OE metric fastener ...
Remote Vehicle Start
The vehicle may have this feature that allows you to start the engine from outside
the vehicle.
(Remote Vehicle Start):
This button will be on the RKE transmitter if the vehicle has remote start.
The climate control system will use the previous settings during a remote start.
The rear defog ...
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed.
When you change the engine oil, be sure to reset the Oil Life System.
OIL PRESSURE LOW — STOP ENGINE
This message displays if low oil pressure levels occur. Stop the vehicle as soon
as safely possible and do ...