Lexus LS 460, User Manual

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4-5. Using the driving support systems
LS460/LS460L_U (OM50D48U)
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Temporary cancelation of the LKA system functions
If any of the following occurs, the LKA system functions will be temporarily canceled.
The functions will resume after the necessary operating conditions have returned.
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The steering wheel is turned as far as necessary to cause the vehicle to change
lanes.
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When the system detects no-handed driving. (The lane keeping assist function will
be temporarily canceled, but the lane departure warning function will continue.)
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The turn signal lever is operated.
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The vehicle speed deviates from the operating range of the LKA system functions.
(The buzzer will beep twice when the lane keeping assist function is being can-
celed.)
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When the lane lines cannot be recognized while driving.
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When the wiper switch is in the high speed position or is set to “AUTO” mode with
the wipers operating at high speed. (The lane keeping assist function will be tempo-
rarily canceled, but the lane departure warning function will continue.)
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If the vehicle crosses a line for approximately half a minute or more. (The lane keep-
ing assist function will be temporarily canceled, but the lane departure warning
function will continue.)
●
When the lane departure warning function is activated.
The lane departure warning function will not operate again for several seconds
after it has been activated, even if the vehicle leaves the lane again.
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The lane departure warning
It may be difficult to feel the sensory warning depending on the road conditions.
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No-handed driving warning
If the steering wheel is not operated for approximately 15 seconds on a straight road
or approximately 5 seconds on a curve, the buzzer will beep twice, indicators on the
multi-information display will flash, and the lane keeping assist function will be tem-
porarily canceled. If you drive the vehicle with your hands lightly touching the steer-
ing wheel, this may also be detected as no-handed driving.