WARNING: This page is about a different car, the 2006 Pontiac Torrent and 2006 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Engine Splash Shield
Courtesy of GENERAL MOTORS CORP.
Position the splash shield to the vehicle by sliding rearward and aligning holes.
Install the splash shield to structure push-in retainers.