WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Installing Push-In Retainers & Hood Front Seal
Courtesy of GENERAL MOTORS CORP.
Important:
Install the grille prior to the hood front seal.
Install the hood front seal to the hood.
Install the push-in retainers to the hood front seal.