Lexus ES 300h Owner's Manual page 265

264
4-5. Using the driving support systems
The illumination condition of the indicator
informs the driver of the system operation
status.
Illuminated in white:
LDA system is operating.
Illuminated in green:
Steering wheel assistance of the steering
assist function is operating.
Flashing in orange:
Lane departure alert function is operating.
Operation display of steering
B
wheel operation support
Displayed when the multi-information dis-
play is switched to the driving assist system
information screen.
Indicates that steering wheel assistance of
the steering assist function is operating.
Lane departure alert function dis-
C
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
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.
• LDA is turned on.
• Vehicle speed is approximately 50 km/h
(32 mph) or more.
• System recognizes white (yellow) lines or
*
a course
*
course is recognized on only one side,
the system will operate only for the rec-
ognized 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.266)
. When
*
: 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
. (When a white [yellow] line or