Lexus UX 250h 2020 Owner's Manual page 221

WARNING
Assisting the driver to judge proper
●
following distance
The dynamic radar cruise control with
full-speed range determines whether the
following distance between the driver's
own vehicle and a designated vehicle
traveling ahead is within a set range. It is
not capable of making any other type of
judgement. Therefore, it is absolutely
necessary for the driver to remain vigi-
lant and to determine whether or not
there is a possibility of danger in any
given situation.
Assisting the driver to operate the
●
vehicle
The dynamic radar cruise control with
full-speed range does not include func-
tions which will prevent or avoid colli-
sions with vehicles ahead of your vehicle.
Therefore, if there is ever any possibility
of danger, the driver must take immedi-
ate and direct control of the vehicle and
act appropriately in order to ensure the
safety of all involved.
Situations unsuitable for dynamic
■
radar cruise control with full-speed
range
Do not use dynamic radar cruise control
with full-speed range in any of the follow-
ing situations.
Doing so may result in inappropriate
speed control and could cause an acci-
dent resulting in death or serious injury.
Roads where there are pedestrians,
●
cyclists, etc.
In heavy traffic
●
On roads with sharp bends
●
On winding roads
●
On slippery roads, such as those cov-
●
ered with rain, ice or snow
4-5. Using the driving support systems
On steep downhills, or where there
●
are sudden changes between sharp up
and down gradients
Vehicle speed may exceed the set
speed when driving down a steep hill.
● At entrances to freeways and highways
● When weather conditions are bad
enough that they may prevent the sen-
sors from detecting correctly (fog,
snow, sandstorm, heavy rain, etc.)
● When there is rain, snow, etc. on the
front surface of the radar or front cam-
era
In traffic conditions that require fre-
●
quent repeated acceleration and
deceleration
During emergency towing
●
● When an approach warning buzzer is
heard often
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