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Indicates that steering wheel assist of the
lane change assist function is operating.
Approaching vehicle warning dis-
play
Indicates that an approaching vehicle is
detected in the adjacent lane.
Warning display (vehicles with
■
Lexus Safety System + A)
When the lane centering function is oper-
ating and the system determines that the
vehicle may depart from its lane due to a
sharp curve, etc., a warning display urging
the driver to operate the steering wheel,
will be displayed.
This display will also be displayed when
operation of the lane change assist func-
tion is canceled.
In some situations a warning display may
not be displayed.
LS500h_OM_(U)_1810
4-5. Using the driving support systems
Indications on head-up display
(vehicles with Lexus Safety Sys-
tem + A)
Some displays, which are the same as
those displayed on the multi-informa-
tion display, will be displayed.
LTA system curve display on the
■
head-up display
The curve display on the head-up display
changes according to the direction and
curvature of the curve.
Operation conditions of each function
■
●
Lane departure alert function
This function operates when all of the fol-
lowing conditions are met.
• LTA is turned on.
• Vehicle speed is approximately 32 mph
(50 km/h) or more.
• System recognizes white (yellow) lane
*2
lines or a course
low] line or course
only one side, the system will operate
only for the recognized side.)
• Width of traffic lane is approximately 9.8
ft. (3 m) or more.
• Turn signal lever is not operated. (Except
when a vehicle is in the lane on the side
the turn signal was operated)
• Vehicle is not being driven around a
sharp curve.
• No system malfunctions are detected.
(P.245)
*1
: The function operates even if the vehi-
241
*1
. (When a white [yel-
*2
is recognized on
4
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