TOYOTA HILUX 2020 Owners Manual (in English)

3514-5. Using the driving support systems
4
Driving
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WARNING
■Situations unsuitable for LDA system
In the following situations, use the LDA 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.
● A spare tire, tire chains, etc. are equipped.
● When the tires have been excessively worn, or when the tire inflation pres-
sure is low.
● When tires of a size other than specified are installed.
● Vehicle is driven in traffic lanes other than that highways and freeways.
● When your vehicle is towing a trailer or during emergency towing.
■ Preventing LDA 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 any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
● 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 any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.

3524-5. Using the driving support systems
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WARNING
■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.
● Vehicle is being driven around a sharp curve.
● 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 intersection, etc.
● Objects or patterns that could be mis-
taken for white (yellow) lines are pres-
ent 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.

3534-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE)
WARNING
●The white (yellow) lines are cracked, “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 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 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 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.
● The vehicle has just changed lanes or crossed an intersection.
● Tires which differ by structure, manufacturer, brand or tread pattern are
used.
● Snow tires, etc. are equipped.

3544-5. Using the driving support systems
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■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 a
warning buzzer will sound to
alert the driver.
When the warning buzzer
sounds, check the area around
your vehicle and carefully oper-
ate the steering wheel to move
the vehicle back to the center of
the lane.
*: Boundary between asphalt and the
side of the road, such as grass,
soil, or a curb
Functions included in LDA system

3554-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE)
■Yaw assist function
When the system determines that the vehicle might depart from its
lane or course*, the system provides assistance as necessary by
applying a brake force for a short period of time to keep the vehicle
in its lane.
*: Boundary between asphalt and
the side of the road, such as
grass, soil, or a curb
■Vehicle sway warning function
When the vehicle is swaying
within a lane, the warning
buzzer will sound and a mes-
sage will be displayed on the
multi-information display to alert
the driver.

3564-5. Using the driving support systems
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Press the LDA switch to turn the
LDA system on.
The LDA indicator illuminates and
a message is displayed on the
multi-information display.
Press the LDA switch again to turn
the LDA system off.
When the LDA system is turned on
or off, operation of the LDA system
continues in the same condition
the next time the engine is started.
LDA indicator
The illumination condition of the
indicator informs the driver of
the system operation status.
Illuminated in white:
LDA system is operating.
Illuminated in green:
Yaw assist function is operat-
ing.
Flashing in yellow: Lane departure alert function is operating.
Illuminated in yellow: Malfunctioning or suspended temporarily.
Operation display of yaw assist function
Displayed when the multi-information display is switched to the
driving support system information screen.
Indicates that yaw assist function is operating.
Turning LDA system on
Indications on multi-information display
1
2

3574-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE)
Lane departure alert function display
Displayed when the multi-information display is switched to the
driving support system information screen.
*: Boundary between asphalt and the side of the road, such as grass, soil, or
a curb
3
Inside of displayed lines is
white
Inside of displayed lines is
black
Indicates that the system is recog-
nizing 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 yel-
low.
Indicates that the system is not
able to recognize white (yellow)
lines or a course* or is temporar-
ily canceled.

3584-5. Using the driving support systems
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■Operation conditions of each function
● Lane departure alert function
This function operates when all of the following conditions are met.
• LDA is turned on.
• Vehicle speed is approximately 50 km/h (32 mph) or more.
• System recognizes white (yellow) lane lines or a course*. (When a
white [yellow] line or course* 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 is not being driven around a sharp curve.
• No system malfunctions are detected. ( P. 360)
*: Boundary between asphalt and the side of the road, such as grass, soil,
or a curb
● Yaw assist function
This function operates when all of the following conditions are met in addi-
tion to the operation conditions fo r the lane departure alert function.
• Setting for “Yaw assist” in of the multi-information display is set
to “On” ( P. 151)
• 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/A-TRC and PCS are not operating.
• TRC/A-TRC or VSC is not turned off.
● Vehicle sway warning function
This function operates when all of the following conditions are met.
• Setting for “Sway Warning” in of the multi-information display is
set to “On” ( P. 1 5 1 )
• 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. 360)

3594-5. Using the driving support systems
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Driving
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■ Temporary cancellation 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. 358)
■ Yaw assist function
● Depending on the vehicle speed, lane departure situation, road conditions,
etc., the driver may not feel the func tion is operating or the function may not
operate at all.
● The yaw assist of the function is overridden by the driver’s steering wheel
operation.
● Do not attempt to test the operation of the yaw assist function.
● A sound may be heard from the engine compartment when the brake pedal
is depressed, when the yaw assist function is operating. This sound does
not indicate that a malfunction is occurred in the LDA system.
■ Lane departure alert function
● The warning buzzer may be difficult to hear due to external noise, audio
playback, etc.
● If the edge of the course* is not clear or straight, the lane departure alert
function may not operate.
● 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
■ Vehicle sway warning function
Depending on the vehicle and road conditions, the warning may not operate.
When the system determines that the
vehicle is swaying while the vehicle sway
warning function is operating, a buzzer
sounds and a warning message urging
the driver to rest and the symbol shown in
the illustration are simultaneously dis-
played on the multi-information display.

3604-5. Using the driving support systems
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■ Warning message
If the following warning message is displayed on the multi-information dis-
play, and the LDA indicator illuminates in yellow, follow the appropriate trou-
bleshooting procedure. Also, if a different warning message is displayed,
follow the instructions displayed on the screen.
● “LDA Malfunction Visit Your Dealer”
The system may not be operating properly. Have the vehicle inspected by
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
● “Lane Departure Alert Unavailable”
• The system is temporarily canceled due to a malfunction in a sensor
other than the front camera. Turn the LDA system off, wait for a little
while, and then turn the LDA system back on.
• The system is temporarily unavaila ble as the vehicle repeatedly departs
from its lane or course* in a short period of time. Turn the engine switch
to the “LOCK” position (vehicles without smart entry & start system) or off
(vehicles with smart entry & start system), and then turn it to the “ON”
position (vehicles without smart entry & start system) or IGNITION ON
mode (vehicles with smart entry & start system) again.
● “LDA Unavailable at Current Speed”
The function cannot be used as the vehicle speed exceeds the LDA opera-
tion range. Drive slower.
*: Boundary between asphalt and the side of the road, such as grass, soil, or
a curb
■ Customization
Function settings can be changed.
( P. 722)