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■ Conditions  under  which  the  vehicle-to-vehicle  distance  control mode 
may not function correctly 
In the case of the following conditions, operate the brake peda l (or accelera- 
tor pedal, depending on the situation) as necessary.  
As the sensor may not be able to correctly detect vehicles ahea d, the system 
may not operate properly. 
● When the vehicle ahead of you decelerates suddenly 
● When driving on a road surrounded by a structure, such as in a tunnel or on 
a bridge 
● While  the  vehicle  speed  is  decreasing  to  the  set  speed  after  the  vehicle 
accelerates by depressing the accelerator pedal 
● When the road curves or when the lanes 
are narrow 
● When  steering  wheel  operation  or  your 
position in the lane is unstable 

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■The system can be operated when 
● The power switch is in ON mode. 
● Toyota parking assist-sensor function is on. 
● The vehicle speed is less than about 10 km/h (6 mph). 
● A shift lever other than P is selected. 
● Vehicles  with  side  sensors:  Steering  wheel  is  turned  approximately  90°  or 
more 
■ If “Parking assist unavailable. Clean parking assist sensor” is displayed 
on the multi-information display 
A sensor may be covered with ice, snow, dirt, etc. Remove the i ce, snow, dirt, 
etc., from the sensor to return the system to normal. 
Also, due to ice forming on a sensor at low temperatures, a war ning message 
may be displayed or the sensor may not be able to detect an obj ect. Once the 
ice melts, the system will return to normal. 
■ If  “Parking  assist  Malfunction  Visit  your  dealer”  is  displayed on  the 
multi-information display 
The system may not operate due to the malfunction of a sensor. 
Have the vehicle inspected by any authorized Toyota retailer or  Toyota autho- 
rized repairer, or any reliable repairer. 
■ Sensor detection information 
The following situations may occur during use. 
● The sensors may be able to only detect objects near the front and rear bum- 
pers. 
● Depending  on  the  shape  of  the  object  and  other  factors,  the  detection  dis- 
tance may shorten, or detection may be impossible. 
● If an object is extremely close to a sensor, it may not be detected. 
● There  will  be  a  short  delay  between  object  detection  and  display.  Even  at 
low speeds, there is a possibility that the object will come wi thin the sensor’s 
detection areas before the display is shown and the warning bee p sounds. 
● It might be difficult to hear the buzzer due to the volume of the audio system 
or air flow noise of the air conditioning system. 
● It may be difficult to hear the buzzer if buzzers for other systems are sound- 
ing. 

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■If the Parking Support Brake has operated 
If  the  vehicle  is  stopped  due  to  operation  of  the  Parking  Suppo rt  Brake,  the 
Parking Support Brake will be disabled and the PKSB OFF indicat or  will  illu- 
minate.  If  the  Parking  Support  Brake  operates  unnecessarily,  br ake  control 
can be canceled by depressing the brake pedal or waiting for ap proximately 2 
seconds  for  it  to  automatically  be  canceled.  Then,  the  vehicle  can  be  oper- 
ated by depressing the accelerator pedal. 
■ Re-enabling the Parking Support Brake
To re-enable the Parking Support Brake when it has been disabled due to oper- 
ation of the Parking Support Brake, either enable the system ag ain (P. 478), 
or turn the engine switch off and then back to ON.
Additionally, if  any  of the following conditions  are met,  the s ystem  will be re- 
enabled automatically and the PKSB OFF indicator will turn off: 
● The P shift position is selected 
● The object is no longer detected in the traveling direction of the vehicle 
● The traveling direction of the vehicle changes 
■ If “Parking Support Brake Unavailable” and “Parking assist unavailable. 
Clean  parking  assist  sensor”  is  displayed  on  the  multi-informat ion  dis- 
play and the PKSB OFF indicator is flashing 
● A  sensor  may  be  covered  with  ice,  snow,  dirt,  etc.  Remove  any  ice,  snow, 
dirt, etc., from the sensor to return the system to normal.  
If this message continues to be displayed even after cleaning t he sensor, or 
is  displayed  even  though  the  sensor  is  clean,  have  the  vehicle  inspected 
any  authorized  Toyota  retailer,  Toyota  authorized  repairer,  or  any  reliable 
repairer. 
● It is possible the sensor may be frozen.  
Once the ice melts, the system will return to normal. 
● Water may be continuously flowing over the surface of the sensor.   
When  the system judges there  is no  problem,  the  system  will  ret urn  to nor- 
mal. 
■ If a 12-volt battery terminal has been disconnected and reconnected 
The  system  needs to  be initialized. To  initialize  the  system,  d rive  the  vehicle 
straight  ahead  for  5  seconds  or  more  at  a  speed  of  approximatel y  35  km/h 
(22  mph)  or  more. Additionally,  fo r  vehicles  with  the  Parking  Support  Brake 
function,  turn  the  steering  wheel  fully  to  the  left  and  right  w ith  the  vehicle 
stopped. 

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S-IPA (Simple Intelligent Parking Assist  
System)
The  Simple  Intelligent  Parking Assist  System  automatically  oper ates 
the steering wheel to provide support when backing into an area  near 
a target parking spot, and when departing from a parallel parki ng spot. 
(Shift lever operations and speed adjustment when moving forwar d or 
backing up are not performed automatically.) 
● The  Simple  Intelligent  Parking  Assist  System  does  not  park  the 
vehicle  automatically.  It  is  a  system  that  provides  support  whe n 
pulling out of a perpendicular or parallel parking spot. 
● The  Simple  Intelligent  Parking  Assist  System  provides  steering 
wheel operation assistance to guide the vehicle toward the sele cted 
intended parking spot. The selected intended parking spot may n ot 
always be reachable, depending on road and vehicle conditions a t 
the time of parking, and the distance to the intended parking s pot. 
While the Simple Intelligent Parking Assist System is operating , if the 
system  detects  an  obstacle  that  could  result  in  a  collision,  th e  emer- 
gency brakes operate, regardless of whether the PKSB (Parking S up- 
port Brake) system is on or off. ( P. 497)
: If equipped
Function summary
Linking  with  the  PKSB  (Parking  Support  Brake)  system  (if 
equipped)
WARNING
● When  backing  up  or  proceeding  forward,  be  sure  to  directly  confirm  the 
safety of the area to the front or rear, and the area around th e vehicle, and 
slowly  back  up  or  proceed  forward  while  adjusting  the  vehicle  s peed  by 
depressing the brake pedal. 
● If  it seems  the vehicle may make  contact with  a pedestrian, another vehi- 
cle or any other obstacles, stop the vehicle by depressing the  brake pedal, 
and then press the S-IPA switch ( P. 494) to turn the system off. 

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The guidance screen is displayed on the multi-information display. 
Operation display area
Displays  the  operating  condition  of 
the  Simple  Intelligent  Parking 
Assist System.
Stop display
When  illuminated,  depress  the
brake pedal and stop the vehicle at
once.
Assistance level indicator
Displays  a  gauge  indicating  the  level  until  the  vehicle’s  stopp ing  position/ 
the position at which assist control ends.
S-IPA switch icon
Displayed  when  the  assist  mode  can  be  changed  and  the  system  ca n  be 
turned off or on using the S-IPA switch.
Steering wheel auto operation display
Displays when the steering wheel auto operation is being perfor med.
Toyota parking assist-sensor display/door position (open/close) dis- 
play
 P. 457
Advice display
Follow  the  instructions  on  the  display  and  perform  any  indicated  opera- 
tions.
As an example, the illustration shows the display indicating it  is necessary 
to depress the brake pedal in order to control the vehicle spee d and to con- 
firm the safety of your surroundings.
Guidance screen 

4964-5. Using the driving support systems
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Assist mode will be canceled or stopped in the following cases.
Assist control is canceled when 
● The system temperature preservation function operates 
● There is a system malfunction 
● System  determined  that  the  parking  environment  is  not  suitable 
for assist to continue  
When  assist  control  is  canceled,  firmly  grasp  the  steering  whee l, 
depress the brake pedal and stop the vehicle.  
Start  again  from  the  beginning,  as  the  system  will  already  be  c an- 
celed.  When  continuing  to  park  manually,  operate  the  steering 
wheel as you normally would.
Assist control is stopped when 
● The steering wheel is operated 
● The vehicle speed exceeds 7 km/h (4 mph) during assist control 
● The  PKSB  (Parking  Support  Brake)  system  operates  (if 
equipped) 
When assist control is stopped, it can be resumed by following  the 
guidance shown on the screen.
Canceling or stopping assist mode 

4984-5. Using the driving support systems
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■ S-IPA indicator inside the meter (P. 161) 
This  indicator  illuminates  when  the  steering  wheel  auto  operati on  is  being 
performed  by  the  Simple  Intelligent  Parking  Assist  System.  Afte r  control 
ends, the indicator blinks for a short period of time and then  turns off. 
■ Toyota parking assist-sensor pop-up display 
While  the  Simple  Intelligent  Parking  Assist  System  is  operating ,  if  the 
PKSB  (Parking  Support  Brake)  system  detects  an  obstacle,  the  To yota 
parking  assist-sensor  display  automatically  pops  up  on  the  guid ance 
screen  ( P.  457),  regardless  of  whether  the  PKSB  (Parking  Support 
Brake) system is on or off. ( P.   4 7 8 ) 
■ If the vehicle speed is about to exceed the speed limit during assist con- 
trol 
A buzzer will sound and a message indicating that the vehicle s peed may 
exceed  the  operation speed limit will be displayed.  When the  me ssage is 
displayed, immediately depress the brake pedal to decelerate. I f the vehi- 
cle continues to accelerate, assist control will be canceled wh en the vehi- 
cle speed exceeds a certain speed. ( P.   5 2 2 ) 

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■Function summary 
If a parking space can be detected, you will be guided forward  until 
you  reach  the assist  control  starting  position,  and then  the  pa rallel 
parking  assist  mode  can  be  used.  Furthermore,  depending  on  the 
parking  space  and  other  conditions,  multi-turn  maneuvering  assi st 
control is also provided if necessary. 
Continue  moving  forward 
with  the  vehicle  parallel  to 
the curb or road, and stop so 
that  the  center  of  the  target 
parking  spot  appears  nearly 
perpendicular  to  the  vehicle. 
Then, press the S-IPA switch 
1 time to select the parallel 
parking assist mode. 
Travel  straight  ahead  paral- 
lel  with  the  road  or  curb  so 
that  the  parking  space  is 
detected. 
A  sound  is  issued  and  a  dis- 
play  is  shown  to  notify  you 
when  the  vehicle  reaches  a 
position  where  assist  control 
can be used to begin backing 
up  from,  and  then  when  the 
shift lever is changed accord- 
ing  to  guidance  provided  by 
the  system,  steering  wheel 
auto operation begins.
If  the  detected  parking  space  or  road  width  (distance  to  the  si de  of  the 
road across from the parking spac e) is narrow, or if there are obstacles 
in front of the vehicle, guidance will not be issued.
How to parallel park (parallel parking assist mode)