Lexus OM53A24U Owner's Manual page 195

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
●
set vehicle speed.
At this time, the memorized set speed is not retained.
Vehicle speed falls below approximately 25 mph (40 km/h).
●
VSC is activated.
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When the shift lever is in the D position and any of the ranges 1 through 3 is
●
selected using the "-" paddle shift switch.
Vehicle-to-vehicle distance settings
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Select a distance from the table below. Note that the distances shown correspond
to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle distance increases/
decreases in accordance with vehicle speed.
Distance options
Medium
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
■
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. 478)
Long
Short
2-4. Using other driving systems
Vehicle-to-vehicle distance
Approximately 210 ft. (65 m)
Approximately 150 ft. (45 m)
Approximately 100 ft. (30 m)
Grille cover
Radar sensor
2
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