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Driving
Deactivating Front Assist tempora-
rily in the f
ollowing situations
In the following situations the Front Assist
shoul
d be deactivated due to the system's
limitations:
●
When the vehicle is to be towed.
●
If the vehicle is on a test bed.
●
When the radar sensor is damaged.
●
If the radar sensor receives a violent im-
pact.
●
If it intervenes several times unnecessarily.
●
If the radar sensor is temporarily covered
by an accessory.
●
When the vehicle is going to be loaded onto
tr
ansportation.
System limitations
Front Assist has certain limitations inherent to
the syst
em. Thus, in certain circumstances,
some of the reactions may be inappropriate
from the driver's standpoint. So pay attention
in order to intervene if necessary.
The following conditions may cause the
Front Assist not to react or to do so too
late:
●
In the first few instants of driving after
switching on the ignition, due to the system’s
initial auto-calibration.
●
If the Front Assist is switched off or dam-
aged.
●
If the radar sensor is dirty or covered.
●
On taking tight bends or complex paths.
●
Pressing the accelerator all the way down.
●
If the ASR has been disconnected or the
ESC activated in Sport mode
›››
page 289.
●
If the ESC is controlling.
●
If several brake lights of the vehicle or elec-
trically connected trailer are damaged.
●
If there are metal objects, e.g. guard rails or
sheets used in road works.
●
If the vehicle is reversing.
●
In case of snow or heavy rain.
●
In case of narrow vehicles, such as motor-
bikes.
●
Misaligned vehicles.
●
Vehicles crossing the other's path.
●
Vehicles approaching in the opposite direc-
tion.
●
Loads and accessories of other vehicles
that protrude over the sides, backwards or
over the top.
ACC - Adaptive Cruise Con-
trol
Introduction
Fig. 254
Detection area.
The ACC is an e
xtension of the vehicle’s
cruise control function (GRA)
›››
.
It all
ows the driver to set a cruise speed be-
tween 30 km/h (20 mph) and 160 km/h (100
mph) or 210 km/h (130 mph), and select the
desired distance from the vehicle in front.
The ACC adapts the cruising speed of the
vehicle, keeping a safe distance away from
the vehicle in front, if there is one, depending
on speed.
When driving behind another vehicle, the
ACC reduces speed until it is the same as
that of the vehicle ahead and maintains the
set distance between the vehicles. If the
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