1993 Pontiac Trans Sport Owner's Manual - Page 165

Your Driving and the Road Tips on Driving in Fog Everybody then has a better chance to avoid hitting the vehicle ahead. A patch of dense fog may extend only Driving inFbg, Mist andHaze for a few feet (meters) or for miles Fog can occur with high humidity or (kilometers); you can't really tell while heavy frost. It can be mild that you so you're in it. You can only treat the can see through it for several hundred situation with extreme care. feet (meters). Or it might beso thick One common fog condition-sometimes that you can see only a feet (meters) called mist or ground fog-can happen few 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 When you drive into afog patch, your suddenly enveloped in thick, wet haze visibility will be reduced quickly. The that may even coat your windshield.You biggest dangers are striking the vehicle can often spot these fog patches mist or ahead or being struck by the one layers with your headlights. But behind. Try to "read" the fog density sometimes they can be waiting for you down the road.If the vehicle ahead as you come over a hillor dip into a starts to become less clear or, at night, if shallow valley. Start your windshield the taillights are harder to see, the is wipers and washer to help clear fog ,probably thickening. Slow down give accumulated road dirt. Slow down to traffic behindyou a chance to slow down. carefully. 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 off the water droplets that make up fog and reflect back at you. Use your defogger. In high humidity, even a light buildupof moisture on the inside of the glass will cut down on your already limited visibility. Run your windshield wipers and washer on occasionally. Moisture can build up 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 off the road. Of course you want to respect another's property, but you might need to put