Driving
emergency brake assistance
system (Front Assist)*
Introduction
The objective of the system is to prevent
head-on collisions ag
ainst objects that may
be in the vehicle’s path or minimise the con-
sequences of such impacts.
The function is designed to avoid collisions
against:
●
Parked vehicles.
●
Vehicles, pedestrians and cyclists that are
tra
velling in the same lane and direction.
●
Pedestrians and cyclists who transversely
cross the vehicle path.
The Front Assist records the mentioned ob-
jects by means of a camera on the top of the
windscreen and a radar sensor on the front
of the vehicle
›››
page 231 .
Depending on several factors and how criti-
cal the situation is, the system operates in a
staggered manner.
First informing the driver, and if there is no or
insufficient reaction, then activating an au-
tonomous emergency braking or an evasive
manoeuvre as indicated by the conditions
that will be discussed in the following points.
The system can be cancelled if the accelera-
tor pedal is pressed or the steering wheel is
turned firmly.
Depending on the equipment and the coun-
try, the Front Assist also includes the follow-
ing functions:
●
Pedestrian protection
›››
page 239
●
Cyclist protection
›››
page 239
●
Dodge assist
›››
page 239
●
Turn assist
›››
page 240
WARNING
●
Front Assist is a driving assistance func-
tion that can never replace the driver’s at-
tention.
●
Front Assist cannot change the laws of
physics or replace the driver in terms of
keeping control of the vehicle and reacting
to a possible emergency situation.
●
Following a Front Assist emergency warn-
ing, pay immediate attention to the situa-
tion and try to avoid the collision where ap-
propriate.
Warning levels and brake assist
Fig. 153 On the instrument panel display: advance
warning indications.
Front Assist is active between 5 km/h (3
mph) and 250 km/h (155 mph). Depending
on diff
er
ent conditions (vehicle speed,
speed and type of object recognised, etc.),
some of the stages described below are
omitted to optimise the performance of the
system.
Safety distance warning
If the system detects that you are driving too
close to the vehicle in front, it will warn the
driver with this indication on the instrument
panel display .
The timing of the warning varies depending
on driver behaviour, vehicle speed and rela-
tive speed between both.
The safety distance warning is active be-
tween approx. 65 km/h (40 mph) and 250
km/h (155 mph).
238
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