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 WarningRadio(s)
: Press to turn the system on and
off. Turn to increase or decrease the volume.
BAND: Press to choose between FM, AM, or SiriusXM®, if equipped.
MENU/SEL: Turn to select radio stations. Press to select a menu.
: Press to seek the previous station
or track.
: Press to seek the next station
...
Front Seat Track Synchronization
The fore/aft manual adjuster is composed of an inboard track assembly (5),
and outboard track (4) assembly, and an adjuster handle (1).
Each track assembly is made of an upper track (2) and a lower track (3). Both
tracks need to be aligned prior to installing in the vehicle.
To align t ...
Frontal SIR System Description
The frontal supplemental inflatable restraint (SIR) system consists of the
following components:
AIR BAG indicator located in the instrument cluster
Inflatable restraint sensing and diagnostic module (SDM)
Inflatable restraint passenger presence detection system
Inflatable restraint Pass ...