Lexus 2016 IS 200t, Service Manual

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4-5. Using the driving support systems
4
Dr
iving
IS350/300/200t_U (OM53D18U)
CAUTION
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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 accident result-
ing in death or serious injury.
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Roads where there are pedestrians, cyclers, etc.
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In heavy traffic
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On roads with sharp bends
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On winding roads
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On slippery roads, such as those covered with rain, ice or snow
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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.
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At entrances to freeways and highways
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When weather conditions are bad enough that they may prevent the sensors from
detecting correctly (fog, snow, sandstorm, heavy rain, etc.)
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When an approach warning buzzer is heard often
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During emergency towing