Lexus 2013 GS 350 Owner's Manual page 198

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4-5. Using the driving support 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 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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TRAC is activated for a period of time.
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When the VSC or TRAC system is turned off by pressing the VSC OFF switch.
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When the LKA (Lane-Keeping Assist) will be activated
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Using the radar cruise control in vehicle-to-vehicle distance control mode, lane
keeping assistance control is activated.
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.
Grille cover
1
Radar sensor
2
Warning messages and buzzers for dynamic radar cruise control
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Warning messages and buzzers are used to indicate a system malfunction or to
inform the driver of the need for caution while driving. ( P. 700)
GS350_U (OM30C34U)
I n f o r ma t i o n P r o v i d e d b y :