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 WarningFrontal 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 ...
Infotainment
The names, logos, emblems, slogans, vehicle model names, and vehicle body designs
appearing in this manual including, but not limited to, GM, the GM logo, CHEVROLET,
the CHEVROLET Emblem, CRUZE, and the CRUZE logo are trademarks and/or service marks
of General Motors LLC, its subsidiaries, a ...
Inflatable Restraint Roof Rail Modules
The roof rail modules are located under the headliner extending from the
front windshield pillar to the rear window pillar. The roof rail
modules contain a housing, inflatable air bag, initiating device, and a canister
of gas generating material. The initiator is part of the roof
rail module d ...