2504-5. Using the driving support systems
■Situations in which the system
may not operate properly
●In some situations such as the fol-
lowing, an object may not be
detected by the radar sensor and
front camera, preventing the sys-
tem 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, accelera tion or deceler-
ation)
• When your vehicle approaches a detectable 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 hidden by an object, such as
large baggage, an umbrella, or
guardrail
• When there are many things which can reflect the radio waves
of the radar in the vicinity (tunnels,
truss bridges, gravel roads, snow
covered road that have tracks,
etc.)
• When there is an effect on the
radio waves to the radar that is
installed on another vehicle
• 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 sud- denly 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 camera
• 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 personal 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 bicycle ridden by
more than one person, or a
2534-5. Using the driving support systems
4
Driving
WARNING
●Vehicle is driven in a construc-
tion zone.
●A spare tire, tire chains, etc. are
equipped.
●When the tires have been
excessively worn, or when the
tire inflation pressure is low.
●When your vehicle is towing a
trailer or during emergency tow-
ing
■Preventing LTA system mal-
functions and operations per-
formed by mistake
●Do not modify the headlights or
place stickers, etc. on the sur-
face of the lights.
●Do not modify the suspension
etc. If the suspension etc. needs
to be replaced, contact your
Toyota 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, contact your Toyota
dealer.
■Conditions in which functions
may not operate properly
In the following situations, the
functions may not operate prop-
erly 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 dis-
play is displayed ( P.258) and
the preceding vehicle changes
lanes. (Your veh icle may follow
the preceding vehicle and also
change lanes.)
●When the follow-up cruising dis-
play is displayed ( P.258) and
the preceding vehicle is sway-
ing. (Your vehicle may sway
accordingly and depart from the
lane.)
●When the follow-up cruising dis-
play is displayed ( P.258) and
the preceding vehicle departs
from its lane. (Your vehicle may
follow the preceding vehicle and
depart from the lane.)
●When the follow-up cruising dis-
play is displayed ( P.258) and
the preceding vehicle is being
driven extremely close to the
left/right lane line. (Your vehicle
may follow the preceding vehi-
cle and depart from the lane.)
●Vehicle is being driven around a
sharp curve.
2544-5. Using the driving support systems
WARNING
●Objects or patterns that could
be mistaken for white (yellow)
lines are present on the side of
the road (guardrails, reflective
poles, etc.).
●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 (ye llow) lines.
●The vehicle is driven in an area
without white (yellow) lines,
such as in front of a tollgate or
checkpoint, or at an intersec-
tion, 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
surface, such as concrete.
●If the edge of the road is not
clear or straight.
●The vehicle is driven on a sur-
face 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 ex its of tunnels,
etc.
●Light from the headlights of an
oncoming 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 wind-
ing road.
●The vehicle is driven on an
unpaved or rough road.
2554-5. Using the driving support systems
4
Driving
■Lane departure alert func-
tion
When the system determines that the vehicle might depart
from its lane or course
*, a warn-
ing is displayed on the multi-
information display, and a warn-
ing buzzer will sound to alert the
driver.
When the warning buzzer sounds,
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 BSM: When the sys-
tem determines that the vehicle
might depart from its lane and that
the possibility 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
WARNING
●The traffic lane is excessively
narrow or wide.
●The vehicle is extremely tilted
due to carrying heavy luggage
or having improper tire pres-
sure.
●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 headlight is dim due to
its lens being dirty or it being
misaligned.
●The vehicle is struck by a cross-
wind.
●The vehicle is affected by wind
from a vehicle driven in a
nearby lane.
●The vehicle has just changed
lanes or crossed an intersec-
tion.
●Tires which differ by structure,
manufacturer, b rand or tread
pattern are used.
●When tires of a size other than
specified are installed.
●Snow tires, etc. are equipped.
●The vehicle is being driven at
extremely high speeds.
Functions included in
LTA system
3124-5. Using the driving support systems
SymptomLikely causeSolution
The image is difficult to
see
The vehicle is in a dark
area
The temperature
around the lens is
either high or low
The outside tempera-
ture is low
There are water drop-
lets on the camera
It is raining or humid
Foreign matter (mud
etc.) is adhering to the
camera
Sunlight or headlights
are shining directly
into the camera
The vehicle is under
fluorescent lights,
sodium lights, mer-
cury lights etc.
Back up while visually
checking the vehicle’s
surroundings. (Use the
monitor again once con-
ditions have been
improved.)
The procedure for
adjusting the picture
quality of the rear view
monitor system is the
same as the procedure
for adjusting the screen.
( P.390)
The image is blurry
Dirt or foreign matter
(such as water droplets,
snow, mud etc.) is
adhering to the camera.Flush the camera with a
large quantity of water
and wipe the camera
lens clean with a soft
and wet cloth.
The image is out of
alignment
The camera or sur-
rounding area has
received a strong
impact.Have the vehicle
inspected by your
Toyota dealer.
The fixed guide lines
are very far out of
alignment
The camera position is
out of alignment.Have the vehicle
inspected by your
Toyota dealer.
The vehicle is tilted
(there is a heavy load
on the vehicle, tire
pressure is low due to
a tire puncture, etc.)
The vehicle is used on
an incline.If this happens due to
these causes, it does
not indicate a malfunc-
tion.
Back up while visually
checking the vehicle’s
surroundings.
3244-5. Using the driving support systems
SymptomLikely causeSolution
The image is difficult to
see
The vehicle is in a dark
area
The temperature
around the lens is
either high or low
The outside tempera-
ture is low
There are water drop-
lets on the camera
It is raining or humid
Foreign matter (mud
etc.) is adhering to the
camera
Sunlight or headlights
are shining directly
into the camera
The vehicle is under
fluorescent lights,
sodium lights, mer-
cury lights etc.
Back up while visually
checking the vehicle’s
surroundings. (Use the
monitor again once con-
ditions have been
improved.)
The procedure for
adjusting the picture
quality of the parking
assist monitor is the
same as the procedure
for adjusting the screen
display. ( P.390)
The image is blurry
Dirt or foreign matter
(such as water droplets,
snow, mud etc.) is
adhering to the camera.Flush the camera with a
large quantity of water
and wipe the camera
lens clean with a soft
and wet cloth.
The image is out of
alignment
The camera or sur-
rounding area has
received a strong
impact.Have the vehicle
inspected by your
Toyota dealer.
The guide lines are
very far out of align-
ment
The camera position is
out of alignment.Have the vehicle
inspected by your
Toyota dealer.
The vehicle is tilted
(there is a heavy load
on the vehicle, tire
pressure is low due to
a tire puncture, etc.)
The vehicle is used on
an incline.If this happens due to
these causes, it does
not indicate a malfunc-
tion.
Back up while visually
checking the vehicle’s
surroundings.
3564-5. Using the driving support systems
SymptomLikely causeSolution
The image is difficult to
see
The vehicle is in a
dark area
The temperature
around the lens is
either high or low
The outside tempera-
ture is low
There are water drop-
lets on the camera
It is raining or humid
Foreign matter (mud,
etc.) is adhering to the
camera
Sunlight or headlights
are shining directly
into the camera
The vehicle is under
fluorescent lights,
sodium lights, mer-
cury lights, etc.
Back up while visually
checking the vehicle’s
surroundings. (Use the
monitor again once con-
ditions have been
improved.)
The procedure for
adjusting the picture
quality of the pan-
oramic view monitor
system is the same as
the procedure for
adjusting the screen dis-
play. ( P.390)
The image is blurry
Dirt or fore ign matter
(such as water drop-
lets, snow, mud, etc.) is
adhering to the camera.Flush the camera with a
large quantity of water
and wipe the camera
lens clean with a soft
and wet cloth.
The image is out of
alignment
The camera or sur-
rounding area has
received a strong
impact.Have the vehicle
inspected by your
Toyota dealer.
The guide lines are very
far out of alignment
The camera position is
out of alignment.Have the vehicle
inspected by your
Toyota dealer.
The vehicle is tilted.
(There is a heavy load
on the vehicle, tire
pressure is low due to
a tire puncture, etc.)
The vehicle is used on
an incline.If this happens due to
these causes, it does
not indicate a malfunc-
tion.
Back up while visually
checking the vehicle’s
surroundings.
6067-3. Do-it-yourself maintenance
*: Vehicles with LED projector
headlights
Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a
full tank of gasoline and the
area around the headlight is
not deformed.
Park the vehicle on level
ground.
Make sure the tire inflation
pressure is at the specified
level.
Have someone sit in the
driver’s seat.
Bounce the vehicle several
times. 1
Using a Phillips-head screw-
driver, turn bolt A in either
direction.
Remember the turning direc-
tion and the number of turns.
2 Turn bolt B the same number
of turns and in the same
direction as step 1.
If the headlight cannot be adjusted
using this procedu re, take the vehi-
cle to your Toyota dealer to adjust
the headlight aim.
Headlight aim*
Vertical movement adjust-
ing bolts
Before checking the head-
light aim
A
B
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