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 WarningWhat Will You See after an Airbag Inflates?
After the frontal airbags and seat-mounted side impact airbags inflate, they
quickly deflate, so quickly that some people may not even realize an airbag inflated.
Roof-rail airbags may still be at least partially inflated for some time after
they inflate. Some components of the airbag module ma ...
Bluetooth (Voice Recognition)
Using Voice Recognition
To use voice recognition, press the
button located on the steering wheel.
Use the commands below for the various voice features. For additional information,
say “Help” while you are in a voice recognition menu.
Pairing
A Bluetooth-enabled cell phone must be paired to ...
AM-FM Radio
Control Buttons
The buttons used to control the radio are: BAND: Press to turn the radio
on and choose between AM, FM, and SiriusXM®, if equipped.
MENU/SEL: Turn to navigate the available menus and to search for stations.
INFO: Press to display additional information that may be available for
...