1993 Buick Century Owner's Manual - Page 163

ahead starts to become less clear or, at night, if the taillights are harder to see,the fog is probably thickening. Slow down to givetraffic behindyou a chance to slow down. Everybody then has a better chance to avoid hitting the vehicle ahead. A patch of dense fog may extend only for a few feet (meters) or for miles (kilometers);you can't really tell while you're init. You can only treat the situation with extreme care. One'common fog condition-sometimes called mist or ground fog-can happen in weather that seems perfect, especially at night or in the early morning in valley and low, marshy areas.You can be suddenly enveloped in thick, wet haze that may even coat your windshield. You can often spot these fog patchesor mist layers with your headlights. But sometimes they can be waiting for you as you come over a hill or dip into a shallow valley. Start your windshield wipers and washer, help clear to accumulated road dirt. Slow down carefully. Tips on Driving in Fog If you get caught in fog, turn your headlights on low beam, even in daytime. You'll see-and be seen-better. Don't use your high beams.The light will bounce the off water droplets that make up fog and reflect back at you. Use your defogger.In high humidity, even a light buildup of moisture on the inside the glass will cut down on of your already limited visibility. Run your windshield wipers and washer occasionally. Moisture can build up on the outside glass, and what seems to be fog .may actually be moisture on the outside your windshield. of Treat dense fog as an emergency. r to find a place to Ty pull off the road. Ofcourse you want to respect another's property, but you might need to put something between you and moving vehicles-space, trees, telephone poles, a private driveway, anything that removes you from other traffic. If visibility is near zero and you must stop but unsure are whether you are away from the road, turn your lights on, start your hazard warning flashers, and sound your horn at intervals or when you hear approaching traffic. Pass other vehicles in fog only if you can see far enough ahead to pass safely. Even then, be preparedto delay your pass if you suspect the fog worse up ahead. is If other vehicles try to pass you, make it easy for them. 161