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 WarningAirbag System
The vehicle has the following airbags except where noted below:
A frontal airbag for the driver.
A frontal airbag for the front outboard passenger.
A knee airbag for the driver.
A knee airbag for the front outboard passenger.
A seat-mounted side impact airbag for the driver.
A seat-mou ...
Instrument Panel Illumination Control
This feature controls the brightness of the instrument panel controls and infotainment
display screen. The thumbwheel is to the left of the steering column on the instrument
panel.
(Instrument Panel Brightness): Move
the thumbwheel up or down and hold, to brighten or dim the instrument pane ...
Parking Brake
To set the parking brake, hold the brake pedal down and pull up on the parking
brake lever. If the ignition is on, the brake system warning light will come on.
See Brake System Warning Light.
To release the parking brake, hold the brake pedal down. Pull the parking brake
lever up until you ...