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.
Open the front door.
Use the J 38778
to remove the front door bottom auxiliary weatherstrip from the front door.
Fig 1: Removing Front Door Bottom Auxiliary Weatherstrip