Bendix Commercial Vehicle Systems WINGMAN ACB - Manual (Page 5)

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The Following Distance Alert (FDA) provides both audible and
visual alerts whenever the time between your vehicle and the
vehicle ahead is less than one and a half (1½) seconds* and
getting closer. Once the audible alert is given, the driver should
increase the distance between his/her vehicle and the vehicle
ahead until the audible alert stops.
The FDA is ready to alert the
driver whenever the vehicle is moving above 5 mph (8km/h). If the
following distance continues to decrease, the driver will hear more
rapid audible alerts. When the FDA reaches its highest level, typically
a red LED also illuminates on the instrument cluster. The FDA may
be accompanied by a visual alert.
* 1½ seconds is the system default and may vary by fleet/OEM.
Stationary Object Alert (SOA) – The Bendix ® Wingman ® ACB system
will give up to three (3) seconds alert time when approaching a
detected, sizable, stationary object with metallic (radar-reflective)
surfaces in your lane of travel. This alert indicates that a collision
with a stationary object is likely and the driver must immediately
act to potentially avoid — or lessen the severity of — a collision.
The SOA is ready to alert the driver whenever the vehicle is moving
above 10 mph (16 km/h).
The driver should be especially careful when approaching certain
types of vehicles and objects. The Wingman ACB radar may not be
able to detect objects with limited metal surfaces (such as recreational
vehicles, horse-drawn buggies, motorcycles, logging trailers, etc).
NOTE: Entering a curve may reduce the alert time to less than three
(3) seconds.
Pedestrians, Animals, Non-metallic or Limited-metallic Objects –
The Wingman ACB system will not warn or react to pedestrians,
animals, and non-metallic objects. The system may not warn or
react to limited-metallic objects (such as recreational vehicles,
horse-drawn buggies, motorcycles, logging trailers, etc).
Other Metallic Objects – Other objects that the radar may detect
in, or close to, the vehicle’s path (such as crash barriers, guard rails,
construction zone barricades, tunnel entrances, etc.) may impair the
function of the radar.