Buick LESABRE 1997 Owner's Manual download pdf (Page 176)

100

101

Braking

Sometimes, as when you’re driving on snow or ice, it’s

easy to ask more

those control systems than the tires

and road can provide. That means you can lose control

of your vehicle.

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.

do alcohol, drugs and

frustration. But even in

314

of a second, a vehicle

moving at

mph

(

100

km/h)

travels

feet

(20

m).

That could be a lot of distance in an emergency,

keeping enough space between your vehicle and others

is important.

And, of course, actual stopping distances

vary

greatly

with the surface of the road (whether it’s pavement or

gravel); the condition

the road (wet, dry, icy); tire

tread; the condition of your brakes; the weight of the

vehicle and the amount

brake force applied.

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Buick LESABRE 1997 Owner's Manual Page 176

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