Replacement Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
Remove the air deflector. Refer to AIR DEFLECTOR REPLACEMENT - FRONT in Body Front End.
Disconnect the electrical connector from the back of the bulb.
Remove the fog lamp bulb from the lamp housing by turning 1/4 turn counterclockwise.

Fig 1: Removing Fog Lamp Bulb From Lamp Housing
Courtesy of GENERAL MOTORS CORP.