1994 GMC Jimmy Owner's Manual - Page 183

Night Vision No one can see as well at night as the daytime. But as we get older these in twice as differences increase.A 50-year-old driver may require at least much light to see the same thing at night as a20-year-old. What you do in thedaytime can also affect your night vision. example, For if you spend the day in bright sunshine you are wise to wear sunglasses. Your eyes will have less trouble adjusting to night. But you're driving, if don't wear sunglassesat night. They may cut down on glare from headlights, but they also makea lot of things invisible. You can be temporarily blinded by approaching lights. It can take a second or two, or even several seconds,for your eyes to readjust to the dark. When you are faced with severe glare (as from a driver who doesn't lower the high beams, or a vehicle with misaimed headlights), slow down a little. Avoid staring directly into approaching lights. the Keep yourwindshield and allthe glass on your vehicle clean inside and out. Glare at night ismade much worseby dirt on the glass. Even inside the of the glass can build a filmcaused by dust. Dirty glass makes up lights dazzle andflash more than clean glass would, making the pupils of your eyes contract repeatedly. Remember that your headlights light up less of a roadway when you are far in a turn or curve. Keep your moving; that way, it's easier to pick out eyes dimly lighted objects. Just your headlights should be as checked regularly for proper aim, so should your eyes be examined regularly. Some drivers suffer from night blindness-the inability to see dim light- and aren't in even aware of it. Driving in the Rain Rain and wet roads can mean driving trouble. On a wet road you can't stop, accelerate or turn well because your tire-to-road traction isn'tas good as as on dry roads. And,if your tires don't have much tread you'll get even left, 4-25