Toyota Hilux (2017 year). Manual - part 73

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4-5. Using the driving support systems

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If the PCS warning light flashes and a warning message is displayed on
the multi-information display
The pre-crash safety system may be temporarily unavailable or there may be
a malfunction in the system.

●

In the following situations, the warning light will turn off, the message will
disappear and the system will become operational when normal operating
conditions return:
• When the radar sensor or camera sensor or the area around either sen-

sor is hot, such as in the sun

• When the radar sensor or camera sensor or the area around either sen-

sor is cold, such as in an extremely cold environment

• When the radar sensor or front grille emblem is dirty or covered with

snow, etc.

• When the part of the windshield in front of the camera sensor is fogged

up or covered with condensation or ice. 
(Defogging the windshield: 

→P. 449, 458)

• If the camera sensor is obstructed, such as when the hood is open or a

sticker is attached to the windshield near the camera sensor

●

If the PCS warning light continues to flash or the warning message does not
disappear, the system may be malfunctioning. Have the vehicle inspected
by any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.

■

If VSC is disabled

●

If VSC is disabled (

→P. 355), the pre-crash brake assist and pre-crash brak-

ing functions are also disabled.

●

The PCS warning light will turn on and “VSC TURNED OFF PRE-CRASH
BRAKE SYSTEM UNAVAILABLE”/“VSC Turned Off Pre-Crash Brake Sys-
tem Unavailable” will be displayed on the multi-information display.

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4-5. Using the driving support systems

LDA (Lane Departure Alert)

∗

When driving on roads with white (yellow) lines, this function alerts the
driver when the vehicle might depart from its lane.
The LDA system recognizes visi-
ble white (yellow) lines with the
camera sensor on the upper por-
tion of the front windshield.

◆

Lane departure alert function

When the system determines
that the vehicle might depart
from its lane, a warning is dis-
played on the multi-information
display and the warning buzzer
sounds to alert the driver.

When the warning buzzer
sounds, check the surrounding
road situation and carefully
operate the steering wheel to
move the vehicle back to the
center of the lane.

∗

: If equipped

Summary of functions

Functions included in LDA system

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Vehicle sway warning function

When the vehicle is swaying or
appears as if it may depart from
its lane multiple times, the
warning buzzer sounds and a
message is displayed on the
multi-information display to alert
the driver.

WARNING

■

Before using LDA system
Do not rely solely upon the LDA system. The LDA 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 paying 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.

■

To avoid operating LDA system by mistake
When not using the LDA system, use the LDA switch to turn the system off.

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4-5. Using the driving support systems

WARNING

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Situations unsuitable for LDA system
Do not use the LDA system in the following situations.
The system may not operate properly and lead to an accident, resulting in
death or serious injury.

●

A spare tire, tire chains, etc., are equipped.

●

Objects or patterns that could be mistaken for white (yellow) lines are
present on the side of the road (guardrails, curbs, reflective poles, etc.).

●

Vehicle is driven on a snow-covered road.

●

White (yellow) lines are difficult to see due to rain, snow, fog, dust, etc.

●

Asphalt repair marks, white (yellow) line marks, etc., are present due to
road repair.

●

Vehicle is driven in a temporary lane or restricted lane due to construction
work.

●

Vehicle is driven in a construction zone.

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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 dealer or repairer, or another duly
qualified and equipped professional.

●

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 dealer or
repairer, or another duly qualified and equipped professional.