1993 Buick Skylark Owner's Manual - Page 161

Night Vision No one cansee as well at night as in the daytime. But as we get older these differences increase. A 50-year-old driver may requireat least twice as much light to see the same thing at night a 20-year-old. as What you do in the daytime can affect your night also if @ vision. For example, you spend the day bright sunshine you are wise to wear sunglasses. ,Your eyes will have less trouble adjusting night. to at But if you're driving, don't wear sunglassesnight. They may cut down on glare from headlights, but they also make a lotof things invisible that should remain visible - such as parkedcars, obstacles, pedestrians, or even trains blocking railway crossings. You may want to put on your sunglasses after you have pulled into a brightly-lighted service or refreshment area. Eyes shielded from that glare may adjust more quickly to darkness back on the road: But be sureremove your to sunglasses before you leave the service. . area. You can be temporarily blinded by approaching lights. It can take a second or or even several seconds, two, for your eyes to readjust the dark. When you are faced to with severe glare (as from a driver who doesn't lower a the high beams, or vehicle with misaimed headlights), slow down a little. Avoid staring directly into the approaching lights. If there is a line opposing traffic, make occasional of glances over the line headlights to make certain that of one of the vehicles isn't starting to move into your lane. Once you are past the bright lights, give your eyes time to readjust before resuming speed. High Beams If the vehicle approaching you has high beams on, its signal by flicking yours to high and then back to low beam. This is the usual signal to lower headlight the beams. If the other driver still doesn't lower the beams, resist the temptation to put your high beams on. This only makes two half-blinded drivers. On a freeway, use your high beams only in remote areas where you won't impair approaching drivers. In some places, like cities, using high beams is illegal. When you follow another vehicle a freewayor on highway, use low beams. True, most vehicles now have day-night mirrors that enable the driver to reduce glare. But outside mirrors are not of this type and. rh beams from behind can bother the driver ahead. I 160