Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Position the lower retainer to the trim panel.
Align the upper retainer clips to the door frame.

Fig 1: Installing Upper Extension Trim Panel

Courtesy of GENERAL MOTORS CORP.

Press inward on the upper extension until the clips fully engage securing the panel to the door.