Lexus LC 500 Owner's Manual page 242

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WARNING
Set the speed appropriately depend-
ing on the speed limit, traffic flow, road
conditions, weather conditions, etc.
The driver is responsible for checking
the set speed.
Even when the system is functioning
normally, the condition of the preced-
ing vehicle as detected by the system
may differ from the condition
observed by the driver. Therefore, the
driver must always remain alert, assess
the danger of each situation and drive
safely. Relying on this system or assum-
ing the system ensures safety while
driving can lead to an accident, result-
ing in death or serious injury.
Switch the dynamic radar cruise con-
trol with full-speed range off using the
cruise control main switch when not in
use.
Cautions regarding the driving assist
systems
Observe the following precautions, as
there are limitations to the assistance
provided by the system.
Failure to do so may cause an accident
resulting in death or serious injury.
Assisting the driver to measure follow-
ing distance
The dynamic radar cruise control is
only intended to help the driver in
determining the following distance
between the driver's own vehicle and a
designated vehicle traveling ahead. It
is not a mechanism that allows careless
or inattentive driving, and it is not a sys-
tem that can assist the driver in low-vis-
ibility conditions. It is still necessary for
driver to pay close attention to the
vehicle's surroundings.
4-5. Using the driving support systems
Assisting the driver to judge proper
following distance
The dynamic radar cruise control
determines whether the following dis-
tance 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 has
limited capability to prevent or avoid a
collision with a vehicle traveling ahead.
Therefore, if there is ever any danger,
the driver must take immediate 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
Do not use dynamic radar cruise control
in any of the following 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
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
241
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