WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Rear Seat Back Cover (With 60 Percent Seat)
Courtesy of GENERAL MOTORS COMPANY
Callout
Component Name
1
Rear Seat Back Cushion Outer Cover
Procedure
Unzip the rear seat back cover.
Remove the clip to disengage the retainers to remove.