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166
Assistant systems
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.119
.
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
›››page155
●
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 ›››page155.
●
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.
Predictive speed adjust-
ment
Introduction
The predictive speed adjustment adapts the
speed to the speed limitations detected and
to the road layout (curves, crossings, round-
abouts, etc.).
Predictive speed adjustment is an additional
function of the ACC ›››page161 and uses the
trac signal detection system ›››page24 and
the navigation data of the infotainment system.
Predictive speed adjustment is available de-
pending on the equipment, although not in all
countries.
WARNING
The predictive speed adjustment smart tech-
nology cannot overcome the limits imposed
by the laws of physics and it only works
within the limits of the system. Never allow
the enhanced convenience of this function
induce you to take any risk that compromises
safety. If used negligently or involuntarily,
it may cause serious accidents and injuries.
The system is not a replacement for driver
awareness.
●
Always adapt your speed to suit visibility,
weather, road and trac conditions.
●
Always pay attention to trac and always
keep the vehicle environment in mind.
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