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Driver Assistance Systems
Forward Collision Warning
- FCW ( )
The Forward Collision Warning (FCW)
system with braking action uses the
same parts already described for
Adaptive Cruise Control (ACC) for
sensing vehicle ahead (hereinafter
"target vehicle") as well as part of
the warnings/messages on system
condition and activation status.
Full performance can be reached
only when both the sensing parts
have detected a vehicle or, if the
car is equipped with Pedestrian
Emergency Braking (PEB) system, also a
pedestrian.
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The difference between full and
reduced performance is not visible for
the driver.
Pedestrian Emergency Braking
(PEB) System (if equipped)
PEB is a sub-system of FCW and it
provides the driver with audible
warnings, visual warnings on the
instrument cluster display, and may
apply automatic braking when it
detect a potential frontal collision with
a pedestrian.
NOTE:
The PEB function is only active up to
37 MPH (60 km/h).
WARNING!
Pedestrian Emergency Braking (PEB) is
not intended to avoid a collision on its
own, nor can PEB detect every type
of potential collision with pedestrian.
The driver has the responsibility to
avoid a collision by controlling the
vehicle via braking and steering.
Failure to follow this warning could
lead to serious injury or death.
PEB System Limitations
PEB may be impaired or may not
function in the following situations:
• If there is poor visibility, e.g. due to
insufficient illumination of the road,
if there are highly variable shade
conditions or in rain, snow or fog.
• If there is glare, e.g. from oncoming
traffic, direct sunlight or reflections
from other vehicles.
• If the windshield in the area of the
camera is dirty, or if the camera is
fogged up, damaged or covered.
• During air suspension transitions.
System Operation
The FCW provides audible and
visual warnings when a potential
collision is detected. Brake jerk and
limited braking may also be applied
depending on the specific scenario.
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