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 WarningPassenger Sensing System
United States
Canada
The passenger sensing system turns off the front outboard passenger frontal airbag
and knee airbag (if equipped) under certain conditions. No other airbag is affected
by the passenger sensing system. See Passenger Sensing System for important
information.
The ...
Plastic Collar Quick Connect Fitting Service
Removal Procedure
Warning: Refer to Gasoline/Gasoline Vapors Warning.
Note: There are several types of Plastic Collar Fuel and Evaporative
Emission Quick Connect Fittings used on this vehicle.
Bartholomew?€‰(1)
Q Release?€‰(2)
...
HVAC System Control Module Programming and Setup
Note:
DO NOT program a control module unless directed to by a service procedure
or a service bulletin. If the control module is not properly configured
with the correct calibration software, the control module will not control
all of the vehicle features properly.
Ensure th ...