Buick 2005 LaCrosse User Manual download pdf (Page 250)

What you do in the daytime can also affect your night

vision. For example, if you spend the day in bright

sunshine you are wise to wear sunglasses. Your eyes

will have less trouble adjusting to night. But if you

are driving, do not wear sunglasses at night. They may

cut down on glare from headlamps, but they also

make a lot of things invisible.

You can be temporarily blinded by approaching

headlamps. It can take a second or two, or even several

seconds, for your eyes to re-adjust to the dark. When

you are faced with severe glare, as from a driver

who does not lower the high beams, or a vehicle with

misaimed headlamps, slow down a little. Avoid

staring directly into the approaching headlamps.

Keep your windshield and all the glass on your vehicle

clean — inside and out. Glare at night is made much

worse by dirt on the glass. Even the inside of the glass

can build up a ﬁlm caused by dust. Dirty glass makes

lights dazzle and ﬂash more than clean glass would,

making the pupils of your eyes contract repeatedly.

Remember that your headlamps light up far less of a

roadway when you are in a turn or curve. Keep

your eyes moving; that way, it is easier to pick out dimly

lighted objects. Just as your headlamps should be

checked regularly for proper aim, so should your eyes

be examined regularly. Some drivers suffer from

night blindness — the inability to see in dim light — and

are not even aware of it.

Driving in Rain and on Wet Roads

Rain and wet roads can mean driving trouble. On a wet

road, you cannot stop, accelerate, or turn as well

because your tire-to-road traction is not as good as on

dry roads. And, if your tires do not have much tread

left, you will get even less traction. It is always wise to

go slower and be cautious if rain starts to fall while

you are driving. The surface may get wet suddenly when

your reﬂexes are tuned for driving on dry pavement.

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Buick 2005 LaCrosse User Manual Page 250