Chevrolet 2006 Avalanche Spezifikationen PDF herunterladen (Seite 280)

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101

Braking

See Brake System Warning Light on page 3-35.

Braking action involves perception time and

reaction time.

First, you have to decide to push on the brake pedal.

That is perception time. Then you have to bring up your

foot and do it. That is reaction time.

Average reaction time is about three-fourths of a second.

But that is 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 three-fourths 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.

And, of course, actual stopping distances vary greatly

with the surface of the road, whether it is pavement

or gravel; the condition of the road, whether it is

wet, dry, or icy; tire tread; the condition of your brakes;

the weight of the vehicle; and the amount of brake

force applied.

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 may not have time to cool

between hard stops. Your brakes will wear out much

faster if you do a lot of heavy braking. If you keep pace

with the traffic and allow realistic following distances,

you will eliminate a lot of unnecessary braking.

That means better braking and longer brake life.

If your engine ever stops while you are driving, brake

normally but do not pump your brakes. If you do,

the pedal may get harder to push down. If your engine

stops, you will still have some power brake assist.

But you will use it when you brake. Once the power

assist is used up, it may take longer to stop and

the brake pedal will be harder to push.

Adding non-GM accessories can affect your vehicle’s

performance. See Accessories and Modiﬁcations

on page 5-3.

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