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 WarningCourtesy Transportation Program
To enhance your ownership experience, we and our participating dealers are proud
to offer Courtesy Transportation, a customer support program for vehicles with the
Bumper-to-Bumper (Base Warranty Coverage period in Canada), extended powertrain,
and/or hybrid-specific warranties in both the U.S ...
Stationary Window Waterleak Repair
Note: If any water enters the vehicle interior up to the level of
the carpet or higher and soaks the carpet, the sensing and diagnostic
module (SDM) and the SDM harness connector may need to be replaced. The SDM
could be activated when powered, which could
cause deployment of the air bag(s) an ...
Dual Stage Inflator Modules
Dual stage inflator modules contain a housing, inflatable air bag, two
initiating devices, canister of gas generating material and, in some
cases, stored compressed gas. The two initiators are part of the frontal
deployment loop. The function of the frontal deployment loops are
to supply curre ...