Lexus 2015 RX350 Owner's Manual page 239

Dynamic radar cruise control can be set when
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The shift lever is in D or range 4 or higher of S has been selected.
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Range 4 or higher has been selected by using the paddle shift.
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(vehicles with paddle shift switch)
Vehicle speed is above approximately 30 mph (50 km/h).
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Accelerating after setting the vehicle speed
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The vehicle can accelerate normally. After acceleration, the set speed resumes.
However, during vehicle-to-vehicle distance control mode, the vehicle speed may
decrease below the set speed in order to maintain the distance to the vehicle
ahead.
Automatic cancelation of vehicle-to-vehicle distance control
■
Vehicle-to-vehicle distance control driving is automatically canceled in the follow-
ing situations:
Actual vehicle speed falls below approximately 25 mph (40 km/h).
●
Enhanced VSC is activated. (vehicles with enhanced VSC)
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VSC is activated. (vehicles with VSC)
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The sensor cannot operate correctly because it is covered in some way.
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The windshield wipers are operating at high speed (when the wiper switch is set
●
to the AUTO mode or the high speed wiper operation position).
When the snow mode is set.
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If vehicle-to-vehicle distance control driving is automatically canceled for any other
reason, there may be a malfunction in the system. Contact your Lexus dealer.
2-4. Using other driving systems
If the "ENGINE START STOP"
switch is turned off and then turned
to IGNITION ON mode again, the
vehicle will automatically return to
vehicle-to-vehicle distance control
mode.
Adjusting the speed setting:
P. 233
Canceling and resuming the speed
setting: P. 235
I n f o r ma t i o n P r o v i d e d b y :
2
239