Chevrolet 2007 Avalanche Spezifikationen PDF herunterladen (Seite 293)

Police records show that almost 40 percent of all motor

vehicle-related deaths involve alcohol. In most cases,

these deaths are the result of someone who was

drinking and driving. In recent years, more than

17,000 annual motor vehicle-related deaths have been

associated with the use of alcohol, with about

250,000 people injured.

For persons under 21, it is against the law in every

U.S. state to drink alcohol. There are good medical,

psychological, and developmental reasons for

these laws.

The obvious way to eliminate the leading highway

safety problem is for people never to drink alcohol and

then drive.

Medical research shows that alcohol in a person’s

system can make crash injuries worse, especially

injuries to the brain, spinal cord, or heart. This means

that when anyone who has been drinking — driver

or passenger — is in a crash, that person’s chance of

being killed or permanently disabled is higher than if the

person had not been drinking.

Control of a Vehicle

The following three systems help to control your vehicle

while driving — brakes, steering, and accelerator. At

times, as when driving on snow or ice, it is easy to ask

more of those control systems than the tires and

road can provide. Meaning, you can lose control of your

vehicle. See StabiliTrak

System on page 4-6.

Adding non-dealer/non-retailer accessories can affect

your vehicle’s performance. See Accessories and

Modiﬁcations on page 5-3.

Braking

See Brake System Warning Light on page 3-37.

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.

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