Assistant systems
●
On r
oads with embedded met
al objects
such as train 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. 159 .
Vehicles outside the sensor zone
In the following situations the ACC may not
react, 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. 159
●
Vehicles that move into your lane, a short
distance from your vehicle
›››
Fig. 160 .
●
Vehicles with loads or accessories that
protrude from the sides, rear or roof.
Objects that are not detected
The ACC function only detects and reacts to
vehicles moving in the same direction.
Therefore 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 vehi-
cles. 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. 160
.
WARNING
Using the ACC in the above situations can
cause serious accidents and injuries, and
you could break the law.
Problems and solutions
ACC not available
The indicat
or lamp lights up y
ellow:
●
The radar sensor is dirty or adjusted incor-
rectly. Take into account the warnings de-
scribed at the beginning of this chapter
›››
page 231
●
There is a fault or a defect. Turn off the ve-
hicle'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 231.
●
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.
247
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