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Driving
System limitations
The Front Assist has certain physical limita-
tions inherent to the syst
em. Thus, in certain
circumstances, some of the system's reac-
tions may be inopportune from the driver's
standpoint. So pay attention in order to inter-
vene 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 t
o the system’s
initial auto-calibration.
●
On taking tight bends or complex paths.
●
Pressing the accelerator all the way down.
●
If the Front Assist is switched off or dam-
aged.
●
If the ASR has been disconnected or the
ESC activated in Sport mode manually
›››
page 231.
●
If the ESC is controlling.
●
If several brake lights of the vehicle or elec-
trically connected trailer are damaged.
●
If the radar sensor is dirty or covered.
●
If there are metal objects, e.g. rails on the
road or sheets used in road works.
●
If the vehicle is reversing.
●
If the vehicle over-accelerates.
●
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.
●
Special loads and accessories of other ve-
hicles that jut out over the sides, backwards
or over the top.
Adaptive Cruise Control
(ACC)*
Topic introduction
Fig. 234 Related video
Fig. 235 Detection area.
The adaptive cruise control (ACC) is an e
x-
t
ension of the normal cruise contr
ol sys-
tem (CCS)
›››
.
The ACC function all
o
ws the driv
er to pro-
gram a cruise speed of between 30 and 210
km/h (18 and 130 mph) and to select the dis-
tance required with regard to the vehicle in
front.
The ACC will adapt the vehicle's cruise
speed at all times, maintaining a safe dis-
tance with the vehicle in front based on its
speed.
When driving behind another vehicle, the
ACC function reduces speed until it is the
same as that of the vehicle ahead and main-
tains the set distance between the vehicles. If
the vehicle ahead accelerates, the adaptive
cruise control also accelerates, going no
higher than the target speed programmed.
262
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