Lexus LS 600h L 2015 Owner's Manual page 268

266
4-5. Using the driving support systems
Adjusting the speed setting: P. 259
Canceling and resuming the speed
setting: P. 262
Dynamic radar cruise control with full-speed range 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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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
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Vehicle-to-vehicle distance control driving is automatically canceled in the following
situations:
Actual vehicle speed falls below approximately 25 mph (40 km/h) when there are
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no vehicle ahead.
The preceding vehicle leaves the lane when your vehicle is following at a speed
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below 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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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
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the "AUTO" mode or the high speed wiper operation position).
When snow mode is set.
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The parking brake is operated.
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The vehicle is stopped by system control on a steep incline.
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Pre-collision brake assist is activated.
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The following are detected when the vehicle has been stopped by system control:
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• The driver is not wearing a seat belt.
• The driver' s door is opened.
• The trunk or hood is opened.
• The vehicle has been stopped for about 3 minutes.
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.
LS600hL_U(OM50E41U)