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 WarningInstrument Panel Compartment Door Dampener Replacement
Instrument Panel Compartment Door Dampener Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel lower compartment. Refer to Instrument Panel
Lower Compartment Replacement.
1 ...
Rear Seat Back Bolster Replacement
Rear Seat Back Bolster Replacement
Callout
Component Name
Preliminary Procedures
Disable the SIR system. Refer to SIR Disabling and Enabling
1
Rear Seat Back Cushion Bolster
Warning: Refer t ...
Drive Range, Fifth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input
signals from the automatic transmission input and output speed sensors, the throttle
position sensor and other vehicle sensors to determine the precise moment to command
ON the normally-low 35R pressure control s ...