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: Removing Push-In Retainers & Hood Front Seal
Courtesy of GENERAL MOTORS CORP.
Open and support the hood.
Use J 38778
in order to remove the push-in retainers from the hood front seal.