Lexus LS460 - Automatic Cancelation of Constant Speed Control; Radar Sensor and Grille Cover

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4-5. Using the driving support systems
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Driving
LS460_EE (OM50D49E)
 Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following
situations:
 Actual vehicle speed is more than approximately 16 km/h (10 mph) below
the set vehicle speed.
At this time, the memorized set speed is not retained.
 Actual vehicle speed falls below approximately 40 km/h (25 mph).
 VSC is activated.
 TRC is activated for a period of time.
 When the VSC or TRC system is turned off by pressing the VSC OFF
switch.
 Radar sensor and grille cover
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 plastic objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.
 Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or
to inform the driver of the need for caution while driving. (P. 832)
Grille cover
Radar sensor
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