Adaptive Cruise Control
22
Ÿ Continued from previous page
- Traffic conditions when frequent acceleration and deceleration make it diffi-
cult to maintain the following distance
It may not be possible for the system to perform as the traffic conditions
require.
- Steep downhill grades
The set vehicle speed may be exceeded.
- On a steep continuous downhill grade
The brakes may overheat.
- Roads and overpasses with repeated steep uphill and downhill grades
Detection of the vehicle in front may be lost, or the road surface may be
detected instead of the vehicle in front, making correct control impossible.
- When entering an interchange, service area, parking area, junction, toll
booth or other facility
Detection of the vehicle in front may not be possible.
- When there are sudden changes in brightness, such as at a tunnel entrance
or exit
- When visibility is poor due to sand, smoke or water vapor blowing in the
wind, or when the vehicle in front or oncoming traffic causes water, snow,
dirt or dust to obscure the view
Detection of the vehicle in front may be lost, or water or other substances
may be incorrectly detected instead of the vehicle, making correct control
impossible.
- When there is snow, frost, dirt or dust on the windshield or it is clouded
- When water droplets from rain or the window washer, or dirt has not been
fully wiped off the windshield
It may not be possible to detect the vehicle in front, making correct control
impossible.
- When the stereo cameras’ field of view is obstructed (for example by a
canoe on the roof of the vehicle)
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