Why Safety Belts - Audi A3 2011 Owner's Manual

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-
Safety
belts
pn, _______________
_
- Make sure that your passengers also buckle up a nd prop
-
erly wear
t
heir safety belts
.
- Protect children with a child rest raint system appropria
t
e
fo
r
the size and ag
e
.
The warn ing light
~
in the instrument cluster lights up when the igni-
tion is sw itched on as a reminder to fasten the safety belts. In addi-
tion, you will hear a wa rning tone for a certa in period of t
ime
.
Fasten your safety belt and make sure that your passenge rs also
properly put
o
n their safety belt s.
&
WARNING
Safety belts are the singl
e
most effective means available to
reduce the risk of serious injury and death in automobile acci-
dents
.
For your protection and that of your pas senger
s
, always
correctly
wear safety belts when the veh icle is moving
.
Failure to pay attention to the warning
light
that come on,
could lead to personal
injury.
u
Why safety
belts?
Frontal collisions
and the law of physics
Frontal crashes create very stron
g
forc es for people
riding
in
vehicles.
Fig.
12
6
Unbe lted
occupants
in a
veh
icle
heading for
a wall
Fig.
127
The
vehicle
crashes
into t
he wall
The phys ica
l
pr inciples are simple. Both the vehicle and the passen-
gers possess energy which var ies wit
h
veh icle speed and body weight.
Enginee rs ca ll t his ene rgy "kinetic energy."
The higher the speed of the veh icle and the greater the vehicle's
we ight, the more energy that has to be "absorbed" in the crash
.
Vehicle speed is
t
he most significan
t
fa ctor. If t he speed doubles
from 15 to 30 mph (25 to 50 km/h), the energy increases 4 times!
.,

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