1998 Cadillac DeVille Owner's Manual - Page 115

Fog Lamps (DeVille Concours Only) Use thefog lamps for better vision in foggy or misty conditions. When you press the fog lamp button, a small indicator light will tell you that the fog lamps and the parking lamps are on. Press the button again to turn them off. Cornering Lamps The cornering lamps come on when the headlamps or parking lampsare on and you signal a turn. They provide more light cornering. for Twilight Sentinel The control is next to the headlamp knob.It automatically switches the lamps on andoff by sensing how darkit is outside. f on If you switch the high-beam headlamps,the fog lamps will turn off. They'll turn back on again when you switch to low-beam headlamps. TWILIGHT When the twilight sentinel on and the fog lamp switch is is activated, the fog lamps will remain on as well as the To operate the twilight sentinel, leave the lamp knob headlamps and parking lamps. off and move the TWILIGHT control to any position but OFF. 2-44