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Audi
adaptive
cruise
control
and braking
guard
Audi
braking
guard
Description
Applies
to vehicles: with Audi adaptive cruise
contro
l
Fig.
102
Instrument cluste
r
: approach warning
Braking guard uses a radar sensor. It also func-
tions within the
limits
of the system when adap-
tive cruise control is switched off
.
What can
Audi braking guard do?
When detected in time, the system can assess
situations when a vehicle ahead brakes suddenly
or if your own vehicle is traveling at a high speed
and approaching a vehicle up ahead that is mov-
ing
more slowly
.
Braking
guard does not react if
it cannot detect the situat ion.
The system advises you of various situations:
-
The
distance
warning
is given if you are too
close to the vehicle ahead
for
a
long time.
If the
vehicle ahead brakes sharply, you will not be
able to avoid a collision. The
indicator
light
.
in
the display comes on.
-
The
approach warning is
given when a detected
vehicle
up
ahead
in
your
lane is
moving much
more slowly than you are or if it
brakes
sharply
.
When
this
warning is given,
it
may only be
pos-
sible to
avoid a collision
by swerving or brak ing
sharply.
The
indicator
light
.
and
indicator
in
the display
will warn you
about
the
danger
¢
fig. 102
.
You will
also hear an acoustic
signa
l.
If
you do
not
react
fast
enough or
do not react
at
all to
the
situation, Braking
guard will intervene
by braking and
the
message
braking guard inter-
;::;
vention
will
appear.
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1
>
This
is
not availab
le
in
so
m
e countries.
rl
-
If
a collision is imminent, the system wi
ll
first
provide an
acute warning
by
briefly
and sharply
apply ing the brakes.
-
If
you do not react to the acute warning, brak-
ing guard can
brake
within the limits of the sys-
tem. This reduces the vehicle speed in the event
of a collision.
-
At speeds
under
20 mph (30 km/h), the system
can initiate a comp lete decelerat ion shortly be-
fore a collision ll.
-
If the braking guard senses that you are not
braking hard enough when a collision is immi-
nent, it can increase the braking force
.
Which functions can be
controlled?
You can switch
braking
guard and the distance/
approach warn ing on or off in the
radio
or
MMI
¢
page
96,
Settings in the radio/MM!
.
A
WARNING
-
Lack
of attention can cause collisions, other
accidents and serious personal
injur
ies. The
braking
guard is an assist
system
and cannot
prevent
a collision
by itself. The
driver
must
always
int
ervene.
The driver
is
always
respon-
sible
for braking
at the correct
t
im
e.
-
Always
pay close
attention
to traffic,
even
when
the braking
guard
is
switched on. Be
ready
to intervene
and
be ready to take
comp lete
control
whenever
necessary.
Al-
ways
keep
the
safe
and legal distance
be-
tween your vehicle and vehicles up
ahead.
-
Braking guard
works wit
hin
limits and
will
not respond outside the system limits, for
examp le when approaching a stopped
vehi-
cle or stationary
obstacle
(end of a traff ic
jam or vehicle that has broken
down
in traf-
fic).
-
Always remember that the radar sensor for
the braking guard works
only
within def ined
detection
and
range
limits
that
may
prevent
the proper detect ion of other vehicles.
-
The
radar
sensor's function and
range
can
be reduced by
rain,
snow and heavy spray.
Moving
vehicles up ahead
may not
be
,.
95
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