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●
On roads with embedded metal 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
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
●
Vehicles that move into your lane, a short
distance from your vehicle
●
Vehicles with loads or accessories that pro-
trude 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. There-
fore it does not detect:
●
People
●
Animals
186
●
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
WARNING
Fig. 132
.
Using the ACC in the above situations can
cause serious accidents and injuries, and you
could break the law.
Troubleshooting
Fig. 132
.
›››
Fig. 133
.
The indicator lamp lights up yellow:
●
The radar sensor is dirty or adjusted in-
correctly. Take into account the warnings
described at the beginning of this chapter
›››
page 175
●
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 specialised
workshop.
Assistant systems
›››
Fig. 133
.
ACC not available
The ACC does not work as expected
●
Make sure that the conditions are met for the
radar sensor to operate properly
●
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.
›››
page 175.
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