Page 256 of 616

2564-5. Using the driving support systems
●In some situations such as the following, sufficient braking fo rce 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  sli ppery  sur-
face
● Some  pedestrians  such  as  the  following  may  not  be  detected  by  t he  radar
sensor and front camera, preventing the system from operating properly:
• Pedestrians shorter than approximately 3.2 ft. (1 m) or taller  than approx-
imately 6.5 ft. (2 m)
• Pedestrians wearing oversized clothing (a rain coat, long skir t, etc.), mak-
ing their silhouette obscure
• Pedestrians  who  are  carrying  large  baggage,  holding  an  umbrell a,  etc.,
hiding part of their body
• Pedestrians who are bending forward or squatting
• Pedestrians who are pushing a stroller, wheelchair, bicycle or  other vehi-
cle
• Groups of pedestrians which are close together
• Pedestrians who are wearing white and look extremely bright
• Pedestrians in the dark, such as at night or while in a tunnel
• Pedestrians  whose  clothing  appears  to  be  nearly  the  same  color  or
brightness as their surroundings
• Pedestrians near walls, fences, guardrails, or large objects
• Pedestrians who  are  on a  metal  object (manhole cover,  steel plate,  etc.) on the road
• Pedestrians who are walking fast
• Pedestrians who are changing speed abruptly
• Pedestrians running out from beh ind a vehicle or a large object
• Pedestrians  who  are  extremely  close  to  the  side  of  the  vehicle  (outside rear view mirror, etc.)
■ If VSC is disabled
●If VSC is disabled ( P. 323, 324), the pre-collision brake assist and pre-col-
lision braking functions are also disabled.
● The PCS warning light will turn on and “VSC Turned Off Pre-Coll ision Brake
System Unavailable” will be displayed on the multi-information  display. 
     
        
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2574-5. Using the driving support systems
4
Driving
LDA (Lane Depar ture Alert)
When driving on roads with white (yellow) lines, this function alerts the
driver when the vehicle mi ght depart from its lane.
The  LDA  system  recognizes  visi-
ble  white  (yellow)  lines  with  the
front  camera  on  the  upper  portion
of the 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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2584-5. Using the driving support systems
◆Vehicle sway warning
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. 
     
        
        Page 260 of 616
2604-5. Using the driving support systems
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.
WARNING
■Preventing  LDA  system  malfunctions  and  operations  performed  by
mistake
● Do  not  modify  the  headlights  or  place  stickers,  etc.,  on  the  su rface  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, d o not install a
grille guard (bull bars, kangaroo bar, etc.).
● If your windshield needs repairs, contact your Toyota dealer.
Turning LDA system on 
     
        
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2614-5. Using the driving support systems
4
Driving
LDA indicator
The  illumination  condition  of  the
indicator  informs  the  driver  of  the
system operation status.
Illuminated in green:
LDA system is operating.
Flashing in yellow: 
Lane  departure  alert  function  is
operating.
Lane  departure  alert  function
display
Displayed  when  the  multi-informa-
tion  display  is  switched  to  the  driv-
ing  assist  system  information
screen.
Indications on multi-information display
1
2
Inside  of  displayed  white  lines
is whiteInside  of  displayed  white  lines
is black
Indicates that the system is recog-
nizing  white  (yellow)  lines.  When
the  vehicle  departs  from  its  lane,
the  white  line  displayed  on  the
side  the  vehicle  departs  from
flashes orange. Indicates  that  the  system  is  not
able  to  recognize  white  (yellow)
lines or is tempo
rarily canceled. 
     
        
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2624-5. Using the driving support systems
■Operation conditio ns 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 32 mph (50 km/h) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve  with a radius
of more than approximately 492 ft. (150 m).
• No system malfunctions are detected. ( P. 482)
● Vehicle sway warning function
This function operates when all of the following conditions are  met.
• Setting  for  “   warning”  in    screen  of  the multi-information  display  is set to on. ( P. 105)
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. ( P. 482)
■ Temporary cancellation of functions
When  the  operation  conditions  are  no  longer  met, a  function  may  be  tempo-
rarily canceled. However, when the operation conditions are met  again, oper-
ation of the function is automatically restored. ( P. 262)
■ Lane departure alert function
The warning buzzer may be difficult to hear due to external noi se, audio play-
back, etc.
■ Vehicle sway warning function
Depending on the vehicle and road conditions, the warning may n ot operate.
■ White (yellow) lines are on ly on one side of road
The  LDA  system  will  not  operate  for  the  side  on  which  white  (ye llow)  lines
could not be recognized. 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. 
     
        
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2654-5. Using the driving support systems
4
Driving
Dynamic radar cruise control
In  vehicle-to-vehicle  distance  control  mode,  the  vehicle  automatically
accelerates  and  decelerates  to  match  the  speed  changes  of  the  p re-
ceding vehicle even if the accelerator pedal is not depressed.  In con-
stant speed control mode, t he vehicle runs at a fixed speed.
Use the dynamic radar cruise c ontrol on freeways and highways.
● Vehicle-to-vehicle distance control mode ( P. 268)
● Constant speed c ontrol mode (P. 274)
Vehicle-to-vehicle  distance
switch
Display
Indicators
Set speed
Cruise control switch
: If equipped
Summary of functions
1
2
3
4
5 
     
        
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2704-5. Using the driving support systems
Press  the  “ON-OFF”  button  to
activate the cruise control.
Radar  cruise  control  indicator  will
come  on  and  a  message  will  be
displayed  on  the  multi-information
display.
Press  the  button  again  to  deacti-
vate the cruise control.
If  the  “ON-OFF”  button  is  pressed
and  held  for  1.5  seconds  or  more,
the  system  turns  on  in  constant
speed control mode. ( P. 274)
Accelerate  or  decelerate,  with
accelerator  pedal  operation,  to
the desired vehicle speed (at or
above  approximately  30  mph
[50  km/h])  and  push  the  lever
down to set the speed.
Cruise  control  “SET”  indicator  will
come on.
The  vehicle  speed  at  the  moment
the  lever  is  released  becomes  the
set speed.
Setting  the  vehicle  speed  (vehicle-to-vehicle  distance  control
mode)
1
2