WARNING: This page is about a different car, the 2013 GMC Acadia, 2013 Chevrolet Traverse, and 2013 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Radio Rear Speaker Grille
Courtesy of GENERAL MOTORS COMPANY
Radio Rear Speaker Grille Replacement
Callout
Component Name
1
Radio Rear Quarter Trim Panel Speaker Grille Procedure Unsnap Speaker Grille from panel.