1993 Cadillac Eldorado Owner's Manual - Page 209

Start yourwindshield wipers and washer, to help clear accumulated road dirt. Slow down carefully. Tips on Driving in Fog If you get caught in fog, turn your headlights on low beam: (en In daytime. You'll see -- and be seen better. Use your fog lignts if your -vehicle has them. Don't use your high beams. The light will bounce off the water droplets that make upfog and reflect back at you. Use your defogger. In high humidity, even a light buildup of moisture on the inside of the glass will cut down on your already limited visibility. Run your windshield wipers and washer occasionally. Moisture canbuild up on the outsideglass, and what seems tobe fog may actually be moisture on the outsideof 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 might need to you put something between and moving vehicles -- space, trees, telephone you poles, a private driveway, anything that removes you from other traffic. If visibility is near zero and must stop but are unsure whether are. you you 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 preparcd to delay your pass if you suspect the fog is worse up ahead.If other vehicles try to pass you, make it easy for them. 195