Removal Procedure

Courtesy of GM

Using a flat-bladed plastic trim tool, release the retaining clips.
Pull upward from both sides of the rear side door sill garnish molding (1) to disengage retaining clips front to rear.
Rear Side Door Sill Garnish Molding (1) - Remove
Courtesy of GM

Pull up and out to remove the rear side door weatherstrip (1) from the pinch weld flange.
Rear Side Door Weatherstrip - Body Side (1) - Remove