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A
ss is
t
-
The pre sense basic functions may not be
available if there is a ma lfunction in the ESC
system or the airbag contro
l
module.
-
Note that with pre sense basic, the reversi-
ble safety belt pretensioner on the front
passenger 's s ide deact ivates when the front
passenger's airbag is deactivated.
Audi
pre sense
front
Description
Applies
to vehicles: with Audi pre sense front or Audi adapt ive
cruise control
Pre sense front informs you if the distance to the
vehicle ahead falls below the safe distance for an
extended period of time. It can warn of a poss i-
b le collision and initiate braki ng maneuve rs,
within the limits of the system.
When detected in
t
ime,
t
he system can assess
dangerous
situ
ations where an object ahead
b rakes suddenly or if your own vehicle is t raveling
at a high speed and approaching an object that is
mov ing more slowly. If detect ion is not possible,
then pre sense front does not react.
Warnings
Applies to vehicles: with Audi pre sense front
or Audi
adapt ive
cruise
cont
rol
Fig
.
12
5
In
st rument cluster: app roach wa rning
The system recognizes var ious dange rous situa-
tions:
-
Vehicles with adapt ive cruise control: the
dis-
tance warning
appears if yo
u
drive too closely
to an object for a long period of time. If the ob-
ject ahead brakes strongly, you would not be
l
)
This is
not
availabl
e in some count
ries.
140
able to avoid a collision. The indicator light
.
indicates this.
-
The
approach w arning
occurs when an object
ahead is traveling more slowly or brakes
strong ly. When this warning occurs, it may only
be possible to avoid a coll ision by swerving or
braking strongly. The message
Aud
i
pre sense
•
c:>
fig. 125 and a warning tone will warn you
about the danger. For vehicles with adaptive
cruise control, the
.
ind icator light also turns
on
.
If you do not react enough or not at all to a da n-
gerous s ituation that was detected by the sys-
tem
,
pre sense front provides assistance by ap-
plying t he brakes
.
-
If a collision is imminent, the system will first
prov ide an
acute w arning
by braking sharply
.
You will also be made aware of the danger by
the
instr
ument cluste
r
display
c:>
fig
.
125.
For
veh icles with adaptive cru ise cont rol,
t
he
.
in-
dicator light a lso tu rns on
.
-
If you do not react to the acute warning, pre
sense front can brake with increasing force
wit hin the lim its of the system
l
)
_
This reduces
the vehicle speed in the event
of
a collis ion
.
The
message
Audi pre sense -
I
nput
also appears.
-
At low driving speeds, pre sense front can begin
complete deceleration shortly before a
collision
l).
- If pre sense front determines t hat you are not
braking strongly enough when a collision is im-
minent, it can increase the braking force.
A
WARNING
-
-
Pre sense front cannot overcome natura
l
phys ica
l
laws. It is a system designed to as
-
sist and it cannot prevent a collision
.
The
driver must always intervene
.
The dr iver is
always responsible fo
r
braki ng at the correct
time
.
Do not let the increase
d
safety prov id-
ed tempt you into ta king risks.
This
could in-
crease your risk of a collision
.
-
The system can dep loy inco rre
ct
ly due to
syst
em-specific
lim
its.
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