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 WarningInstallation Procedure
Note: If the location of the original plug weld holes can
not be determined, space the plug weld holes every 40 mm (1½ in).
Drill 8 mm (5/16 in) for plug welding along the edges of the underbody
rear side rail reinforcement as noted from
the original panel.
Clean and ...
Doors
Trunk
WARNING
Exhaust gases can enter the vehicle if it is driven with the liftgate, trunk/hatch
open, or with any objects that pass through the seal between the body and the trunk/hatch
or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or
smelled. It can cause u ...
Battery Negative Cable Disconnection and Reconnection
Removal Procedure
Turn on the radio and record all of the customer radio station presets.
Ensure that all lamps and accessories are turned off.
Turn the ignition OFF and remove the ignition key.
Warning: Refer to Battery Disconnect Warning in the Preface section.
Loosen the negati ...