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Assistant systems
147
emergency brake assistance system (Front Assist)
The ACC does not react to stationary vehicles.
If
, for example, a vehicle detected by the ACC
turns or moves over and there is a stationary
vehicle in front of it, the ACC will not react to
the second vehicle ›››Fig.106
.
WARNING
Using the ACC in the above situations can
cause serious accidents and injuries, and
you coul
d break the law.
Troubleshooting
ACC not available
The indicator lamp lights up yellow:
●
The radar sensor is dirty or adjusted in-
corr
ectly. Take into account the warnings
described at the beginning of this chapter
›››page136
●
There is a fault or a defect. Turn o the vehi-
cle's ignition and turn it on again after a few
minutes.
●
If the problem persists, consult a specialised
workshop.
The ACC does not work as expected
●
Make sure that the conditions are met for the
r
adar sensor to operate properly ›››page136.
●
If the brakes overheat, regulation stops au-
tomatically. Wait for them to cool down and
check the operation again.
●
Unusual noises during automatic ACC brak-
ing are normal and do not indicate any anoma-
lies.
The following conditions may lead the ACC
not to react:
●
The accelerator or brake is depressed.
●
No gear is engaged or the vehicle is in gear R.
●
The vehicle is reversing.
●
ESC is operating.
●
The driver is not wearing his/her seat belt.
●
The RPM is too high or too low.
●
A vehicle brake light is faulty.
●
A trailer brake light is faulty.
●
The parking brake is applied.
●
Driving on an excessive slope.
emergency brake assis-
tance system (Front Assist)
Introduction
The objective of the system is to prevent head-
on collisions against objects that may be in the
vehicle’s path or minimise the consequences of
such impacts.
The function is designed to avoid collisions
against:
●
Parked vehicles.
●
Vehicles, pedestrians and cyclists that are
tr
avelling in the same lane and direction.
●
Pedestrians and cyclists who transversely
cross the vehicle path.
Front Assist detects the aforementioned objects
using a radar sensor at the front of the vehicle
›››page136.
Depending on several factors and how critical
the situation is, the system operates in a stag-
gered manner.
First informing the driver, and if there is no or
insucient reaction, then activating an autono-
mous emergency braking as indicated by the
conditions that will be discussed in the follow-
ing points.
The system operation can be cancelled if the
clutch pedal is pressed or the steering wheel is
turned firmly.
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