Automatic Cancelation Of Constant Speed Control; Radar Sensor And Grille Cover; Warning Lights, Messages And Buzzers For Dynamic Radar Cruise Control - Lexus 2015 RX350 Owner's Manual

2-4. Using other driving systems

Automatic cancelation of constant speed control

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The cruise control will stop maintaining the vehicle speed in the following situations:
Actual vehicle speed is more than approximately 10 mph (16 km/h) below the
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set vehicle speed.
At this time, the memorized set speed is not retained.
Actual vehicle speed falls below approximately 25 mph (40 km/h).
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Enhanced VSC is activated. (vehicles with enhanced VSC)
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VSC is activated. (vehicles with VSC)
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Radar sensor and grille cover

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Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle
distance control operates properly. (Some obstructions, such as snow, ice and plas-
tic objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.

Warning lights, messages and buzzers for dynamic radar cruise control

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Warning lights, messages and buzzers are used to indicate a system malfunction or
to inform the driver of the need for caution while driving. (P. 759)
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Grille cover
Radar sensor
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