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Driver assistance systems
●
V
ehicles travelling in the opposite direction
or crossing the road.
●
Other stationary obstacles
The ACC may not react to stationary vehi-
cles. If, for example, a vehicle detected by the
ACC turns or moves over and there is a sta-
tionary vehicle in front of it, the ACC will not
react to the second vehicle
›››
Fig. 184 .
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 indicat
or lamp lights up yellow:
●
The radar sensor is dirty or adjusted incor-
rectly. Take into account the warnings descri-
bed at the beginning of this chapter
›››
page 239
●
There is a fault or a defect. Turn off the vehi-
cle's ignition and turn it on again after a few
minutes.
●
If the problem persists, consult a special-
ised workshop.
The ACC does not work as expected
●
Make sure that the conditions are met for
the radar sensor to operate properly
›››
page 239.
●
If the brakes overheat, regulation stops au-
tomatically. Wait for them to cool down and
check the operation again.
●
Unusual noises during automatic ACC
braking are normal and do not indicate any
anomalies.
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.
●
A vehicle or trailer brake light is faulty.
●
The RPM is too high or too low.
●
The parking brake is applied.
●
Driving on an excessive slope.
Proactive speed adjustment
Introduction
The proactive speed adjustment adapts the
speed t
o the speed limitations detected and
to the road layout (curves, crossings, round-
abouts, etc.).
Proactive speed adjustment is an additional
function of the ACC
›››
page 249 and uses
the traffic signal detection system
›››
page 76 and the navigation data of the in-
fotainment system.
Proactive speed adjustment is available de-
pending on the equipment, although not in all
countries.
WARNING
The proactive speed adjustment smart
t
echnology cannot overcome the limits im-
posed 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 acci-
dents and injuries. The system is not a re-
placement for driver awareness.
●
Always adapt your speed to suit visibility,
weather, road and traffic conditions.
●
Always pay attention to traffic and al-
ways keep the vehicle environment in mind.
»
255
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