1993 Oldsmobile Silhouette Owner's Manual - Page 166

Your Diving and the Road lips on Drivingin Fog down. Everybody then has a better chance to avoid hitting the vehicle ahead. A patch of dense fog may extend only Driving inFog, Mist and Haze for a few feet (meters) or for miles (kilometers); you can't really tell while Fog can occur with high humidity or you're in it. You can only treat the heavy frost. It can be so mild that you situation with extreme care. can see through it for several hundred feet (meters). Or it might be so thick One common fog condition-sometimes that you can see only a few feet (meters) called mist or ground fog-can happen ahead. It may come suddenly to an in weather that seems perfect, especially otherwise clear road. And it can be a at night or in the early morning in valley major hazard. and low, marshy areas. You can be suddenly enveloped in thick, wet haze When you drive into a fog patch, your that may even coat your windshield. You visibility will be reduced quickly. The or biggest dangers are striking the vehicle can often spot these fog patches mist layers with your headlights. But ahead or being struck by the one sometimes they can be waiting for you behind. Try to "read" the fog density as you come over a hillor dip into a down the road. If the vehicle ahead starts to become less clear or, at night, if shallow valley. Start your windshield the taillights are harder to see, the fog is wipers and washer to helpclear probably thickening. Slow downto give accumulated road dirt. Slow down carefully. traffic behind you a chance to slow If you get caught in fog, turn your headlights on low beam, even in daytime. You'll see-and be seenbetter. Use your fog lights. Don't use your high beams. The light will bounceoff the water droplets that make up fog and reflect back at you. Use your defogger. In high humidity, even a light buildupof moisture onthe inside of the glass will cut downon 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 of your windshield. Treat dense fog as an emergency. Try to find a place to pull the road. Of off course you want to respect another's property, but you might need to put