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188
Assistant systems
●
On roads with embedded metal objects such
as tr
ain or tram tracks.
●
On roads with loose gravel.
Pay special attention when using ACC in the
following situations:
On curves
The ACC may not detect the vehicle in front
on a curve, or may regulate the distance from
vehicles in other lanes ›››Fig.133
.
V
ehicles outside the sensor zone
In the following situations the ACC may not re-
act, or may react slowly or inappropriately:
●
Vehicles that are not aligned while driving or
that are outside the sensor's detection area,
such as motorcycles ›››Fig.133
.
●
Vehicles that move into your lane, a short dis-
t
ance from your vehicle ›››Fig.134
.
●
Vehicles with loads or accessories that pro-
trude fr
om the sides, rear or roof.
Objects that are not detected
The ACC function only detects and reacts to
vehicles moving in the same direction. There-
fore it does not detect:
●
People
●
Animals
●
Vehicles travelling in the opposite direction or
crossing the road.
●
Other stationary obstacles
The ACC may 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.134
.
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
›››page177
●
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 ›››page177.
●
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.
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