System functional limits
The BSD uses a radar (or sensor) located at the rear
of the vehicle (4, Fig 110). This type of sensor is
subject to technological operating limits that are
inherent in this technology.
The front of the radar (4, Fig 110) must not be
covered with stickers, painted or obstructed in any
way as this could prevent the radar from working
properly.
For the BSD function to react to a vehicle, the
must be within the radar field of vision and
classified as "relevant" by the radar. The radar has a
limited field of view within which it can detect the
vehicles and has technological limits as well.
Moreover, the BSD system is designed to detect
vehicles on normal width lanes. For this reason, the
BSD function may not provide correct information or
may not deliver the expected information. In
the following unexpected situations may
occur:
●
the information or hazard warning is
communicated late in relation to the critical
event;
●
the information or hazard warning is not
communicated at all;
●
the information or hazard warning is
communicated even if there are no vehicles in or
near the blind spots.
The causes of these false or failed warnings may be,
among others:
- unfavourable weather conditions (e.g. rain,
snow, dense fog);
- incorrect cleaning of the sensor;
- electromagnetic or a conformation
of the surrounding environment (e.g. bends, in
Fig 110
138