Lexus ES 300(h), Owner'S Manual

Page: 257 / 534

256
4-5. Using the driving support systems
play
Displayed when the multi-information dis-
play is switched to the driving assist system
information screen.

Inside of displayed lines is white
Indicates that the system is recognizing
white (yellow) lines or a course
*
. When
the vehicle departs from its lane, the
white line displayed on the side the
vehicle departs from flashes orange.

Inside of displayed lines is black
Indicates that the system is not able to
recognize white (yellow) lines or a
course
*
or is temporarily canceled.
*
: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
■
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.
*1
• System recognizes white (yellow) lane
lines or a course
*2
. (When a white [yel-
low] line or course
*2
is recognized on
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.258)
*1
: The function operates even if the vehicle
speed is less than approximately 50
km/h (32 mph) when the lane centering
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 departure
alert function.
• Setting for “Steering Assist” in
of the
multi-information display is set to “On”.
(

P.135)
• Vehicle is not accelerated or decelerated
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.257)
●
Vehicle sway warning function
This function operates when all of the fol-
lowing conditions are met.
• Setting for “Sway Warning” in
of the