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 WarningRear Compartment Lid Hinge Torque Rod Replacement
Preliminary Procedure
Remove rear compartment lid. Refer to Rear Compartment Lid Replacement.
Special Tools
BO-125 Torque Rod Lifter
For equivalent regional tools, refer to Special Tools.
Rear Compartment Lid Hinge Torque Rod - Right Side
Tip
Only use the special tool to remove and i ...
Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an extender.
When you go in to order it, take the heaviest coat you will wear, so the extender
will be long enough for you. To help avoid personal inju ...
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 pan ...