MG Gloster Manual page 180

When there is a risk of collision, the FCW will sand a
warning to the driver, but this function cannot shorten
the response time of the driver. To ensure the function of
the AEB, high sensitivity is recommended for all drivings.
In some cases, the driver may be aware of the warning
later even if high sensitivity is set, for example, when the
speed changes dramatically or when the front vehicle
stops suddenly.
No automatic system can work 100% under all
conditions. Therefore, never driver around the
pedestrian or vehicle when testing the FCW/AEB, this
can cause serious damage and casualty.
Obstacle Detection by FCW and AEB
The FCW/AEB can detect obstacles such as vehicle.
Vehicle
The FCW/AEB is able to detect most of the static vehicles and the
vehicle moving in the same direction. To ensure the FCW/AEB can
detect vehicles at night, the headlamp and tail lamp shall work properly.
Bicyclist (FCW only)
The best example of what kind of target will be considered as a bicyclist
by the FCW/AEB is as follows:
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STARTING AND DRIVING
Clear outline of the body and bicycle.
To make the best use of the system, the system function for bicyclist
detection shall try to acquire accurate information about the outline of
the human body and bicycle, this means the system can identify the
bicycle, head, hand, shoulder, thigh, upper bodyand lower body by
combining the standard movement of the human.
If the camera cannot capture a larger part of the bicyclist's body or
bicycle, then the system is unable to detect the bicyclist. To detect the
bicyclist, he/she must be an adult and the bicycle must be an adult
bicycle.
Restrictions for FCW and AEB
The FCW/AEB will be limited for some cases.
Ambient environment
• Low object
Dropping object, for example, the flag/pennant used to mark the
cargo or accessories higher than the engine cover such as auxiliary
lamp and bumper, will restrict the function.