Lexus 2013 GS 350 Owner's Manual page 187

Cruise control can be set when
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The shift lever is in D.
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Range 4 or higher of D has been selected by using the paddle shift.
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Vehicle speed is above approximately 25 mph (40 km/h).
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Accelerating after setting the vehicle speed
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The vehicle can be accelerated normally. After acceleration, the set speed
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resumes.
Even without canceling the cruise control, the set speed can be increased by first
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accelerating the vehicle to the desired speed and then pushing the lever down to
set the new speed.
Automatic cruise control cancelation
■
Cruise control will stop maintaining the vehicle speed in any of the following situa-
tions.
Actual vehicle speed falls more than approximately 10 mph (16 km/h) below the
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preset vehicle speed.
At this time, the memorized set speed is not retained.
Actual vehicle speed is below approximately 25 mph (40 km/h).
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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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If the warning message for the cruise control is shown on the multi-information dis-
■
play
Press the "ON-OFF" button once to deactivate the system, and then press the but-
ton again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels immediately
after being activated, there may be a malfunction in the cruise control system. Have
the vehicle inspected by your Lexus dealer.
GS350_U (OM30C34U)
4-5. Using the driving support systems
I n f o r ma t i o n P r o v i d e d b y :
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