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ture alert function.
• Setting for "Steering Assist" in
multi-information display is set to "ON".
(P.134)
• 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.313)
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.134)
• 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.314)
Temporary cancelation of functions
■
When operation conditions are no longer
met, a function may be temporarily
canceled. However, when the operation
conditions are met again, operation of the
function is automatically restored.
(P.312)
Steering assist function
■
Depending on the vehicle speed, lane
●
departure situation, road conditions, etc.,
the driver may not feel the function is
operating or the function may not oper-
ate at all.
The steering control of the function is
●
overridden by the driver's steering wheel
operation.
Do not attempt to test the operation of
●
the steering assist function.
Lane departure alert function
■
The warning buzzer may be difficult to
●
hear due to external noise, audio play-
LS500h_OM_General_OM50J66E
4-5. Using the driving support systems
back, etc. Also, it may be difficult to feel
steering wheel vibrations due to the road
of the
conditions, etc.
If the edge of the course
●
straight, the lane departure alert function
may not operate.
Vehicle with BSM: It may not be possible
●
for the system to determine if there is a
danger of a collision with a vehicle in an
adjacent lane.
Do not attempt to test the operation of
●
the lane departure alert function.
*
: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
Hands off steering wheel warning
■
In the following situations, a warning mes-
of the
sage urging the driver to hold the steering
wheel and the symbol shown in the illustra-
tion are displayed on the multi-information
display to warn the driver. The warning
stops when the system determines that the
driver holds the steering wheel. Always
keep your hands on the steering wheel
when using this system, regardless of warn-
ings.
When the system determines that the
●
driver is driving without holding the steer-
ing wheel while the system is operating
If the driver continues to keep their hands
off of the steering wheel, the buzzer
sounds, the driver is warned and the func-
tion is temporarily canceled. This warning
also operates in the same way when the
driver continuously operates the steering
wheel only a small amount.
The buzzer also sounds even if the alert
type is set to
313
*
is not clear or
.
4
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