LEXUS UX 200 (2019 year). Instruction — part 12
188
4-5. Using the driving support systems
■
Enabling/disabling the pre-colli-
sion system
The pre-collision system can be
enabled/disabled on
(
the multi-information display.
The system is automatically enabled each
time the engine switch is turned to ON.
If the system is disabled, the PCS warn-
ing light will turn on and a message will
be displayed on the multi-information
display.
■
Changing the pre-collision warn-
ing timing
The pre-collision warning timing can
be changed on
(
multi-information display.
The warning timing setting is retained
when the engine switch is turned off. How-
ever, if the pre-collision system is disabled
and re-enabled, the operation timing will
return to the default setting (middle).
1
Early
2
Middle
This is the default setting.
3
Late
■
Operational conditions
The pre-collision system is enabled and the system determines that the possibility of a frontal
collision with a detected object is high.
WARNING
●
When the tires are very worn
●
When tires of a size other than speci-
fied are installed
●
When tire chains are installed
●
When a compact spare tire or an
emergency tire puncture repair kit is
used
●
If equipment (snow plow, etc.) that may
obstruct the radar sensor or front cam-
era is temporarily installed to the vehi-
cle
Changing settings of the pre-col-
lision system
189
4-5. Using the driving support systems
4
Driving
Each function is operational at the following speed
●
Pre-collision warning
●
Pre-collision brake assist
●
Pre-collision braking
The system may not operate in the following situations:
●
If a battery terminal has been disconnected and reconnected and then the vehicle has not
been driven for a certain amount of time
●
If the shift lever is in R
●
When the VSC OFF indicator is illuminated (only the pre-collision warning function will
be operational)
■
Object detection function
The system detects objects based on their
size, profile, motion, etc. However, an object
may not be detected depending on the sur-
rounding brightness and the motion, pos-
ture, and angle of the detected object,
preventing the system from operating prop-
erly. (
P.191) The illustration shows an
image of detectable objects.
■
Cancelation of the pre-collision braking
If either of the following occur while the
Detectable objects
Vehicle speed
Relative speed between your
vehicle and object
Vehicles
Approx. 7 to 110 mph (10 to
180 km/h)
Approx. 7 to 110 mph (10 to
180 km/h)
Bicyclists and pedestrians
Approx. 7 to 50 mph (10 to
80 km/h)
Approx. 7 to 50 mph (10 to
80 km/h)
Detectable objects
Vehicle speed
Relative speed between your
vehicle and object
Vehicles
Approx. 20 to 110 mph (30
to 180 km/h)
Approx. 20 to 110 mph (30
to 180 km/h)
Bicyclists and pedestrians
Approx. 20 to 50 mph (30
to 80 km/h)
Approx. 20 to 50 mph (30
to 80 km/h)
Detectable objects
Vehicle speed
Relative speed between your
vehicle and object
Vehicles
Approx. 7 to 110 mph (10 to
180 km/h)
Approx. 7 to 110 mph (10 to
180 km/h)
Bicyclists and pedestrians
Approx. 7 to 50 mph (10 to
80 km/h)
Approx. 7 to 50 mph (10 to
80 km/h)
190
4-5. Using the driving support systems
pre-collision braking function is operating, it
will be canceled:
●
The accelerator pedal is depressed
strongly.
●
The steering wheel is turned sharply or
abruptly.
■
Conditions under which the system may
operate even if there is no possibility of a
collision
●
In some situations such as the following,
the system may determine that there is a
possibility of a frontal collision and oper-
ate.
• When passing a detectable object, etc.
• When changing lanes while overtaking a
detectable object, etc.
• When approaching a detectable object
in an adjacent lane or on the roadside,
such as when changing the course of
travel or driving on a winding road
• When rapidly closing on a detectable
object, etc.
• When approaching objects on the road-
side, such as detectable objects, guard-
rails, utility poles, trees, or walls
• When there is a detectable object or
other object by the roadside at the
entrance of a curve
• When there are patterns or paint in front
of your vehicle that may be mistaken for a
detectable object
• When the front of your vehicle is hit by
water, snow, dust, etc.
• When overtaking a detectable object
that is changing lanes or making a
right/left turn
• When passing a detectable object in an
oncoming lane that is stopped to make a
right/left turn
• When a detectable object approaches
very close and then stops before entering
the path of your vehicle
• If the front of your vehicle is raised or low-
ered, such as when on an uneven or
undulating road surface
• When driving on a road surrounded by a
structure, such as in a tunnel or on an iron
bridge
• When there is a metal object (manhole
cover, steel plate, etc.), steps, or a protru-
sion in front of your vehicle
• When passing under an object (road
sign, billboard, etc.)
• When approaching an electric toll gate
barrier, parking area barrier, or other
barrier that opens and closes
• When using an automatic car wash
• When driving through or under objects
191
4-5. Using the driving support systems
4
Driving
that may contact your vehicle, such as
thick grass, tree branches, or a banner
• When driving through steam or smoke
• When driving near an object that reflects
radio waves, such as a large truck or
guardrail
• When driving near a TV tower, broad-
casting station, electric power plant, or
other location where strong radio waves
or electrical noise may be present
■
Situations in which the system may not
operate properly
●
In some situations such as the following,
an object may not be detected by the
radar sensor and front camera, prevent-
ing the system from operating properly:
• When a detectable object is approaching
your vehicle
• When your vehicle or a detectable object
is wobbling
• If a detectable object makes an abrupt
maneuver (such as sudden swerving,
acceleration or deceleration)
• When your vehicle approaches a detect-
able object rapidly
• When a detectable object is not directly
in front of your vehicle
• When a detectable object is near a wall,
fence, guardrail, manhole cover, vehicle,
steel plate on the road, etc.
• When a detectable object is under a
structure
• When part of a detectable object is hid-
den by an object, such as large baggage,
an umbrella, or guardrail
• When multiple detectable objects are
close together
• If the sun or other light is shining directly
on a detectable object
• When a detectable object is a shade of
white and looks extremely bright
• When a detectable object appears to be
nearly the same color or brightness as its
surroundings
• If a detectable object cuts or suddenly
emerges in front of your vehicle
• When the front of your vehicle is hit by
water, snow, dust, etc.
• When a very bright light ahead, such as
the sun or the headlights of oncoming
traffic, shines directly into the front cam-
era
• When approaching the side or front of a
vehicle ahead
• If a vehicle ahead is a motorcycle
• If a vehicle ahead is narrow, such as a per-
sonal mobility vehicle
• If a preceding vehicle has a small rear
end, such as an unloaded truck
• If a preceding vehicle has a low rear end,
such as a low bed trailer
• If a vehicle ahead has extremely high
ground clearance
• If a vehicle ahead is carrying a load which
protrudes past its rear bumper
• If a vehicle ahead is irregularly shaped,
such as a tractor or side car
• If a vehicle ahead is a child sized bicycle,
a bicycle that is carrying a large load, a
192
4-5. Using the driving support systems
bicycle ridden by more than one person,
or a uniquely shaped bicycle (bicycle with
a child seat, tandem bicycle, etc.)
• If a pedestrian/or the riding height of a
bicyclist ahead is shorter than approxi-
mately 3.2 ft. (1 m) or taller than approxi-
mately 6.5 ft. (2 m)
• If a pedestrian/bicyclist is wearing over-
sized clothing (a rain coat, long skirt,
etc.), making their silhouette obscure
• If a pedestrian is bending forward or
squatting or bicyclist is bending forward
• If a pedestrian/bicyclist is moving fast
• If a pedestrian is pushing a stroller, wheel-
chair, bicycle or other vehicle
• When driving in inclement weather such
as heavy rain, fog, snow or a sandstorm
• When driving through steam or smoke
• When the surrounding area is dim, such
as at dawn or dusk, or while at night or in
a tunnel, making a detectable object
appear to be nearly the same color as its
surroundings
• When driving in a place where the sur-
rounding brightness changes suddenly,
such as at the entrance or exit of a tunnel
• After the engine has started the vehicle
has not been driven for a certain amount
of time
• While making a left/right turn and for a
few seconds after making a left/right turn
• While driving on a curve and for a few
seconds after driving on a curve
• If your vehicle is skidding
• If the front of the vehicle is raised or low-
ered
• If the wheels are misaligned
• If a wiper blade is blocking the front cam-
era
• The vehicle is being driven at extremely
high speeds
• When driving on a hill
• If the radar sensor or front camera is mis-
aligned
●
In some situations such as the following,
sufficient braking force may not be
obtained, preventing the system from
performing properly:
• If the braking functions cannot operate to
their full extent, such as when the brake
parts are extremely cold, extremely hot,
or wet
• If the vehicle is not properly maintained
(brakes or tires are excessively worn,
improper tire inflation pressure, etc.)
• When the vehicle is being driven on a
gravel road or other slippery surface
■
If VSC is disabled
●
If VSC is disabled (
lision brake assist and pre-collision brak-
ing functions are also disabled.
●
The PCS warning light will turn on and
“VSC Turned OFF Pre-Collision Brake
System Unavailable” will be displayed on
the multi-information display.
193
4-5. Using the driving support systems
4
Driving
LTA (Lane Tracing Assist)
When driving on highways and
freeways with white (yellow) lane
lines, this function alerts the driver
when the vehicle might depart from
its lane or course
*
and provides
assistance by operating the steer-
ing wheel to keep the vehicle in its
lane or course
*
. Furthermore, the
system provides steering assistance
when dynamic radar cruise control
with full-speed range is operating
to keep the vehicle in its lane.
The LTA system recognizes white
(yellow) lane lines or a course
*
using the front camera. Addition-
ally, it detects preceding vehicles
using the front camera and radar.
*
: Boundary between asphalt and the
side of the road, such as grass, soil, or
a curb
WARNING
■
Before using LTA system
●
Do not rely solely upon the LTA sys-
tem. The LTA system does not auto-
matically drive the vehicle or reduce
the amount of attention that must be
paid to the area in front of the vehicle.
The driver must always assume full
responsibility for driving safely by pay-
ing careful attention to the surround-
ing conditions and operating the
steering wheel to correct the path of
the vehicle. Also, the driver must take
adequate breaks when fatigued, such
as from driving for a long period of
time.
●
Failure to perform appropriate driving
operations and pay careful attention
may lead to an accident, resulting in
death or serious injury.
●
When not using the LTA system, use
the LTA switch to turn the system off.
■
Situations unsuitable for LTA system
In the following situations, use the LTA
switch to turn the system off. Failure to do
so may lead to an accident, resulting in
death or serious injury.
●
Vehicle is driven on a road surface
which is slippery due to rainy weather,
fallen snow, freezing, etc.
●
Vehicle is driven on a snow-covered
road.
●
White (yellow) lines are difficult to see
due to rain, snow, fog, dust, etc.
●
Vehicle is driven in a temporary lane or
restricted lane due to construction
work.
●
Vehicle is driven in a construction
zone.
●
A spare tire, tire chains, etc. are
equipped.
●
When the tires have been excessively
worn, or when the tire inflation pres-
sure is low.
194
4-5. Using the driving support systems
WARNING
●
When tires of a size other than speci-
fied are installed.
●
Vehicle is driven in traffic lanes other
than that highways and freeways.
●
During emergency towing
■
Preventing LTA system malfunctions
and operations performed by mistake
●
Do not modify the headlights or place
stickers, etc. on the surface of the
lights.
●
Do not modify the suspension etc. If
the suspension etc. needs to be
replaced, contact your Lexus dealer.
●
Do not install or place anything on the
hood or grille. Also, do not install a
grille guard (bull bars, kangaroo bar,
etc.).
●
If your windshield needs repairs, con-
tact your Lexus dealer.
■
Conditions in which functions may
not operate properly
In the following situations, the functions
may not operate properly and the vehicle
may depart from its lane. Drive safely by
always paying careful attention to your
surroundings and operate the steering
wheel to correct the path of the vehicle
without relying solely on the functions.
●
When the follow-up cruising display is
displayed (
P.198) and the preceding
vehicle changes lanes. (Your vehicle
may follow the preceding vehicle and
also change lanes.)
●
When the follow-up cruising display is
displayed (
P.198) and the preceding
vehicle is swaying. (Your vehicle may
sway accordingly and depart from the
lane.)
●
When the follow-up cruising display is
displayed (
P.198) and the preceding
vehicle departs from its lane. (Your
vehicle may follow the preceding vehi-
cle and depart from the lane.)
●
When the follow-up cruising display is
displayed (
P.198) and the preceding
vehicle is being driven extremely close
to the left/right lane line. (Your vehicle
may follow the preceding vehicle and
depart from the lane.)
●
Vehicle is being driven around a sharp
curve.
●
Objects or patterns that could be mis-
taken for white (yellow) lines are pres-
ent on the side of the road (guardrails,
curbs, reflective poles, etc.).
195
4-5. Using the driving support systems
4
Driving
WARNING
●
Vehicle is driven where the road
diverges, merges, etc.
●
Repair marks of asphalt, white (yellow)
lines, etc. are present due to road
repair.
●
There are shadows on the road that
run parallel with, or cover, the white
(yellow) lines.
●
The vehicle is driven in an area without
white (yellow) lines, such as in front of a
tollgate or checkpoint, or at an inter-
section, etc.
●
The white (yellow) lines are cracked,
“Botts’ dots”, “Raised pavement
marker” or stones are present.
●
The white (yellow) lines cannot be
seen or are difficult to see due to sand,
etc.
●
The vehicle is driven on a road surface
that is wet due to rain, puddles, etc.
●
The traffic lines are yellow (which may
be more difficult to recognize than
lines that are white).
●
The white (yellow) lines cross over a
curb, etc.
●
The vehicle is driven on a bright sur-
face, such as concrete.
●
If the edge of the road is not clear or
straight.
●
The vehicle is driven on a surface that
is bright due to reflected light, etc.
●
The vehicle is driven in an area where
the brightness changes suddenly, such
as at the entrances and exits of tunnels,
etc.
●
Light from the headlights of an oncom-
ing vehicle, the sun, etc. enters the
camera.
●
The vehicle is driven on a slope.
●
The vehicle is driven on a road which
tilts left or right, or a winding road.
●
The vehicle is driven on an unpaved or
rough road.
●
The traffic lane is excessively narrow
or wide.
●
The vehicle is extremely tilted due to
carrying heavy luggage or having
improper tire pressure.
●
The distance to the preceding vehicle
is extremely short.
●
The vehicle is moving up and down a
large amount due to road conditions
during driving (poor roads or road
seams).
●
When driving in a tunnel or at night
with the headlights off or when a head-
light is dim due to its lens being dirty or
it being misaligned.
●
The vehicle is struck by a crosswind.
196
4-5. Using the driving support systems
■
Lane departure alert function
When the system determines that the
vehicle might depart from its lane or
course
*
, a warning is displayed on the
multi-information display, and either a
warning buzzer will sound or the steer-
ing wheel will vibrate to alert the driver.
When the warning buzzer sounds or the
steering wheel vibrates, check the area
around your vehicle and carefully operate
the steering wheel to move the vehicle
back to the center of the lane.
Vehicles with Blind Spot Monitor: When
the system determines that the vehicle
might depart from its lane and that the pos-
sibility of a collision with an overtaking
vehicle in the adjacent lane is high, the lane
departure alert will operate even if the turn
signals are operating.
*
: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
■
Steering assist function
When the system determines that the
vehicle might depart from its lane or
course
*
, the system provides assis-
tance as necessary by operating the
steering wheel in small amounts for a
short period of time to keep the vehicle
in its lane.
If the system detects that the steering
wheel has not been operated for a fixed
amount of time or the steering wheel is not
being firmly gripped, a warning is displayed
on the multi-information display and the
function is temporarily canceled.
Vehicles with Blind Spot Monitor: When
the system determines that the vehicle
might depart from its lane and that the pos-
sibility of a collision with an overtaking
vehicle in the adjacent lane is high, the
steering assist function will operate even if
the turn signals are operating.
*
: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
WARNING
●
The vehicle is affected by wind from a
vehicle driven in a nearby lane.
●
The vehicle has just changed lanes or
crossed an intersection.
●
Tires which differ by structure, manu-
facturer, brand or tread pattern are
used.
●
Snow tires, etc. are equipped.
●
The vehicle is being driven at
extremely high speeds.
Functions included in LTA system
197
4-5. Using the driving support systems
4
Driving
■
Vehicle sway warning function
When the vehicle is swaying within a
lane, the warning buzzer will sound and
a message will be displayed on the
multi-information display to alert the
driver.
■
Lane centering function
This function is linked with dynamic
radar cruise control with full-speed
range and provides the required assis-
tance by operating the steering wheel
to keep the vehicle in its current lane.
When dynamic radar cruise control with
full-speed range is not operating, the lane
centering function does not operate.
In situations where the white (yellow) lane
lines are difficult to see or are not visible,
such as when in a traffic jam, this function
will operate to help follow a preceding
vehicle by monitoring the position of the
preceding vehicle.
If the system detects that the steering
wheel has not been operated for a fixed
amount of time or the steering wheel is not
being firmly gripped, a warning is displayed
on the multi-information display and the
function is temporarily canceled.
198
4-5. Using the driving support systems
Press the LTA switch to turn the LTA
system on.
The LTA indicator illuminates and a mes-
sage is displayed on the multi-information
display.
Press the LTA switch again to turn the LTA
system off.
When the LTA system is turned on or off,
operation of the LTA system continues in
the same condition the next time the
engine is started.
LTA indicator
The illumination condition of the indicator
informs the driver of the system operation
status.
Illuminated in white:
LTA system is operating.
Illuminated in green:
Steering wheel assistance of the steering
assist function or lane centering function is
operating.
Flashing in orange:
Lane departure alert function is operating.
Operation display of steering
wheel operation support
Displayed when the multi-information dis-
play is switched to the driving support sys-
tem information display.
Indicates that steering wheel assistance of
the steering assist function or lane center-
ing function is operating.
Both outer sides of the lane are displayed:
Indicates that steering wheel assist of the
lane centering function is operating.
One outer side of the lane is displayed:
Indicates that steering wheel assist of the
steering assist function is operating.
Both outer sides of the lane are flashing:
Alerts the driver that their input is neces-
sary to stay in the center of the lane (lane
centering function).
Follow-up cruising display
Displayed when the multi-information dis-
play is switched to the driving support sys-
tem information display.
Indicates that steering assist of the lane
centering function is operating by monitor-
ing the position of a preceding vehicle.
When the follow-up cruising display is dis-
played, if the preceding vehicle moves,
your vehicle may move in the same way.
Always pay careful attention to your sur-
roundings and operate the steering wheel
as necessary to correct the path of the
vehicle and ensure safety.
Lane departure alert function dis-
play
Displayed when the multi-information dis-
Turning LTA system on
Indications on multi-information
display
A
B
C
D
199
4-5. Using the driving support systems
4
Driving
play is switched to the driving support sys-
tem information display.
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 rec-
ognize 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 32 mph
(50 km/h) 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 9.8
ft. (3 m) or more.
• Turn signal lever is not operated. (Vehi-
cles with Blind Spot Monitor: 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.
(
*1
: The function operates even if the vehicle
speed is less than approximately 32 mph
(50 km/h) 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”.
(
• 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, TRAC and PCS are not oper-
ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. (
●
Vehicle sway warning function
This function operates when all of the fol-
lowing conditions are met.
• Setting for “Warning” in
of the multi-
information display is set to “On”.
(
• Vehicle speed is approximately 32 mph
(50 km/h) or more.
• Width of traffic lane is approximately 9.8
200
4-5. Using the driving support systems
ft. (3 m) or more.
• No system malfunctions are detected.
(
●
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”. (
• 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 vehicle-
to-vehicle distance control mode.
• Width of traffic lane is approximately 10
to 13 ft. (3 to 4 m).
• Turn signal lever is not operated.
• Vehicle is not being driven around a
sharp curve.
• No system malfunctions are detected.
(
• Vehicle does not accelerate or deceler-
ate by a fixed amount or more.
• Steering wheel is not operated with a
steering force level suitable for changing
lanes.
• ABS, VSC, TRAC and PCS are not oper-
ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. (
• The vehicle is being driven in the center
of a lane.
• Steering assist function is not operating.
■
Temporary cancelation of functions
●
When operation conditions are no longer
met, a function may be temporarily can-
celed. However, when the operation con-
ditions are met again, operation of the
function is automatically restored.
(
●
If the operation conditions (
no longer met while the lane centering
function is operating, the steering wheel
may vibrate and the buzzer may sound to
indicate that the function has been tem-
porarily canceled. However, if the “Steer-
ing wheel vibration” customization
setting is set to “On”, the system will notify
the driver by vibrating the steering wheel
instead of sounding the buzzer.
■
Steering assist function/lane centering
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-
back, etc. Also, it may be difficult to feel
steering wheel vibrations due to the road
conditions, etc.
●
If the edge of the course
*
is not clear or
straight, the lane departure alert function
may not operate.
●
Vehicles with Blind Spot Monitor: It may
not be possible for the system to deter-
mine 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-
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.
201
4-5. Using the driving support systems
4
Driving
●
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 function is tem-
porarily canceled. This warning also oper-
ates 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 “Steering wheel vibration”.
●
When the system determines that the
vehicle may not turn and instead depart
from its lane while driving around a curve
Depending on the vehicle condition and
road conditions, the warning may not oper-
ate. Also, if the system determines that the
vehicle is driving around a curve, warnings
will occur earlier than during straight-lane
driving.
●
When the system determines that the
driver is driving without holding the steer-
ing wheel while the steering wheel assist
of the steering assist function is operat-
ing.
If the driver continues to keep their hands
off of the steering wheel and the steering
wheel assist is operating, the buzzer sounds
and the driver is warned. Each time the
buzzer sounds, the continuing time of the
buzzer becomes longer.
The buzzer also sounds even if the alert
type is set to “Steering wheel vibration”.
■
Vehicle sway warning function
When the system determines that the vehi-
cle is swaying while the vehicle sway warn-
ing function is operating, a buzzer sounds
and a warning message urging the driver to
rest and the symbol shown in the illustration
are simultaneously displayed on the multi-
information display.
Depending on the vehicle and road condi-
tions, the warning may not operate.
■
Warning message
If the following warning message is dis-
played on the multi-information display and
the LTA indicator illuminates in orange, fol-
low the appropriate troubleshooting proce-
dure. Also, if a different warning message is
displayed, follow the instructions displayed
on the screen.
●
“LTA Unavailable”
The system is temporarily canceled due to a
malfunction in a sensor other than the front
camera. Turn the LTA system off, wait for a
little while, and then turn the LTA system
back on.
●
“LTA Unavailable at Current Speed”
The function cannot be used as the vehicle
speed exceeds the LTA operation range.
Drive slower.
■
Customization
Function settings can be changed.
(Customizable features:
202
4-5. Using the driving support systems
*
: If equipped
When the front camera recognizes a
sign, the sign will be displayed on the
multi-information display.
When the driving support system
information is selected, a maximum
of 3 signs can be displayed.
(
When a tab other than the driving
support system information is
selected, only a recognized speed
limit sign or do not enter sign (when
notification is necessary) will be dis-
played. (
If signs other than speed limit signs are
recognized, they will be displayed in an
overlapping stack under the current
speed limit sign.
The following types of road signs are
recognized.
A non-official or a recently introduced traf-
fic sign may not be recognized.
RSA (Road Sign Assist)
*
The RSA system recognizes spe-
cific road signs using the front cam-
era to provide information to the
driver via the display.
If the system judges that the vehicle
is being driven over the speed limit,
performing prohibited actions, etc.
in relation to the recognized road
signs, it alerts the driver using a
warning display and warning
buzzer.
WARNING
■
Before using the RSA
Do not rely solely upon the RSA system.
RSA is a system which supports the
driver by providing information, but it is
not a replacement for a driver’s own
vision and awareness. Drive safely by
always paying careful attention to the
traffic rules.
Indication on the multi-informa-
tion display
Supported types of road signs
203
4-5. Using the driving support systems
4
Driving
: Speed limit
: Do Not Enter
: Stop
: Yield
In the following situations, the RSA sys-
tem will alert the driver.
When the vehicle speed exceeds
the speed warning threshold of the
speed limit sign displayed, the sign
display will be emphasized and a
buzzer will sound.
When the RSA system recognizes a
do not enter sign and determines
that your vehicle has entered a no-
entry area, the displayed sign will
flash and a buzzer will sound.
Depending on the situation, traffic
environment (traffic direction, speed
unit) may be detected incorrectly and a
warning display may not operate prop-
erly.
■
Setting procedure
1
Press
or
of the meter control
switches and select
2
Press
or
of the meter control
switches and select “Vehicle Settings”,
then press “OK”
3
Press
or
of the meter control
switches and select
, then press
“OK”
4
Press
or
of the meter control
switches and select “RSA”, then press
“OK”
■
Automatic turn-off of RSA sign display
In the following situations, a displayed
speed limit sign will stop being displayed
automatically:
●
A new sign is not recognized for a certain
distance.
●
The road changes due to a left or right
turn, etc.
In the following situations, do not enter, stop
and yield signs will stop being displayed
automatically:
●
The system determines that your vehicle
has passed the sign.
●
The road changes due to a left or right
turn, etc.
■
Conditions in which the function may
not operate or detect correctly
In the following situations, RSA does not
operate normally and may not recognize
signs, display the incorrect sign, etc. How-
ever, this does not indicate a malfunction.
●
The front camera is misaligned due to a
strong impact being applied to the sen-
sor, etc.
●
Dirt, snow, stickers, etc. are on the wind-
shield near the front camera.
●
In inclement weather such as heavy rain,
fog, snow or sand storms
●
Light from an oncoming vehicle, the sun,
etc. enters the front camera.
●
The sign is dirty, faded, tilted or bent.
●
All or part of the sign is hidden by the
leaves of a tree, a pole, etc.
●
The sign is only visible to the front camera
for a short amount of time.
●
The driving scene (turning, lane change,
etc.) is judged incorrectly.
●
Even if it is a sign not appropriate for the
Warning display
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