Lexus RX 450h Owner's Manual page 307

played, if the preceding vehicle moves,
your vehicle may move in the same way.
Always pay careful attention to your
surroundings and operate the steering
wheel as necessary to correct the path of
the vehicle and ensure safety.
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 50 km/h
(32 mph) or more.
• System recognizes white (yellow) lane
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 3 m
(9.8 ft.) or more.
• Turn signal lever is not operated. (Vehicle
with BSM: Except when another vehicle
is in the lane on the side where the turn
signal was operated)
• Vehicle is not being driven around a
sharp curve.
• No system malfunctions are detected.
(P.307)
*1
: The function operates even if the vehi-
cle speed is less than approximately 50
km/h (32 mph) when the lane center-
ing function is operating.
*2
: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
Steering assist function
●
This function operates when all of the fol-
lowing conditions are met in addition to the
operation conditions for the lane depar-
ture alert function.
• Setting for "Steering Assist" in
multi-information display is set to "On".
(P.142)
• Vehicle is not accelerated or decelerated
by a fixed amount or more.
• Steering wheel is not operated with a
� � � � � � � � � � � � � � � � �
4-5. Using the driving support systems
*1
*2
. (When a white [yel-
*2
is recognized on
of the
steering force level suitable for changing
lanes.
• ABS, VSC, TRC and PCS are not oper-
ating.
• TRC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. (P.306)
Vehicle sway warning function
●
This function operates when all of the fol-
lowing conditions are met.
• Setting for "Sway Warning" in
multi-information display is set to "On".
(P.142)
• Vehicle speed is approximately 50 km/h
(32 mph) or more.
• Width of traffic lane is approximately 3 m
(9.8 ft.) or more.
• No system malfunctions are detected.
(P.307)
Lane centering function
●
This function operates when all of the fol-
lowing conditions are met.
• LTA is turned on.
• Setting for "Steering Assist" and "Lane
Center" in of the multi-information
display are set to "On". (P.142)
• This function recognizes white (yellow)
lane lines or the position of a preceding
vehicle (except when the preceding vehi-
cle is small, such as a motorcycle).
• The dynamic radar cruise control with
full-speed range is operating in vehi-
cle-to-vehicle distance control mode.
• Width of traffic lane is approximately 3 to
4 m (10 to 13 ft.).
• Turn signal lever is not operated.
• Vehicle is not being driven around a
sharp curve.
• No system malfunctions are detected.
(P.307)
• Vehicle does not accelerate or
decelerate by a fixed amount or more.
• Steering wheel is not operated with a
steering force level suitable for changing
lanes.
• ABS, VSC, TRC and PCS are not oper-
ating.
• TRC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. (P.306)
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