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 WarningRear Side Door Upper Front Auxiliary Weatherstrip Retainer Replacement
Rear Side Door Upper Front Auxiliary Weatherstrip Retainer Replacement
Callout
Component Name
1
Front Side Door Upper Front Auxiliary Weatherstrip Retainer (Qty:?€‰10)
Note: If the retainers are damaged when ...
Rear Seat Cushion Removal and Installation
Rear Seat Cushion Removal and Installation
Callout
Component Name
1
Rear Seat Cushion Replacement
Procedure
Release the rear seat center seat belts.
Lift up on the front of the seat cushion at the latch locati ...
Tires and Wheels Description and Operation
There are two types of tire and wheel balancing: static and dynamic.
Static balance is the equal distribution of weight around the wheel. Assemblies
that are statically unbalanced cause a bouncing action called wheel tramp. This
condition may eventually cause uneven tire wear.
...