1999 Pontiac Bonneville Owner's Manual - Page 104

yellowblue At night, you can turn off all exterior lamps when you are in PARK (P) by turning the twilight sentinel knob all the way to MIN. Fog Lamps The fog lamps switch is in the front of the front reading lamps. If it was on MIN, turn the knob clockwise to turn it on, then back to MIN. The lamps will come back on when you put the transaxle in gear. Twilight sentinel will keep your headlamps on for up to three minutes, to light your way when you leave your vehicle. See "Twilight Sentinel" in the Index to learn how to operate this feature. As with any vehicle, you should turn on the regular headlamp system when you need it. An indicator light in the switch will glow when the fog lamps are on. Your low-beam headlamps or parking lamps must be on for your fog lamps to work. If your fog lamps are on when you use your flash-to-pass feature, the fog lamps will be disabled while the flash-to-pass feature is being used. 2-44