Chevrolet 1993 Lumina Owner's Manual download pdf (Page 128)

Your Driving

and

the

Road

Braking

Braking action involves

perception

time

and

reaction time.

First, you have to decide to push on the

brake pedal. That’s

perception

time.

Then you have

to

bring up your foot

and do it. That’s

reaction time.

Average

reaction time

is about

3/4

of a

second. But that’s only an average. It

might be less with one driver and as

long as two or three seconds or more

with another. Age, physical condition,

alertness, coordination, and eyesight all

play a part.

So

do alcohol, drugs and

frustration. But even in

’14

of a second, a

vehicle moving at

60

mph

(100

km/h)

travels

66

feet

(20

m). That could be a

lot of distance in an emergency,

so

keeping enough space between your

vehicle and others is important.

I26

And, of course, actual stopping

distances

vary

greatly with the surface

of the road (whether it’s pavement or

gravel); the condition

of

the road (wet,

dry, icy); tire tread; and the condition

of

your brakes.

Most drivers treat their brakes with

care. Some, however, overwork the

braking system with poor driving habits.

Avoid needless heavy braking. Some

people drive in spurts-heavy

acceleration followed by heavy

braking-rather than keeping pace

with traffic. This is a mistake. Your

brakes mav not have time to cool

I

between hkd stops. Your brakes will

wear out much faster

if

you do a lot of

heavy braking.

Don’t “ride” the brakes by letting

your left foot rest lightly on the brake

pedal while driving.

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