Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Use a flat-bladed tool in order to pry off the exterior courtesy lamp assembly.
Disconnect the electrical wires.

Fig 1: Removing Exterior Courtesy Lamp Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the 2 retaining screws.
Remove the bulb.

Fig 2: Removing Bulb & Retaining Screws
Courtesy of GENERAL MOTORS CORP.