warning light TOYOTA YARIS HATCHBACK 2020 (in English) User Guide
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Page 63 of 572

YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
631-3. Child Restraint
1
Essential Safety Equipment
Expand the open seams on the
rear  of  the  seat  bottom  slightly
to  verify  the  locations  of  the
LATCH lower anchors.
The  markings  above  the  LATCH
lower  anchors  indicate  the  loca-
tions  of  the  LATCH  lower  anchors
for  the  attachment  of  a  child-
restraint system.
Remove the head restraint.
Refer to Head Restraints on P. 30.
Secure  the  child-restraint  system  using  BOTH  LATCH  lower
anchors, following the child-restraint system manufacturer’s instruc-
tion.  Pull  on  the  child-restraint  to  be  sure  both  anchors  are
engaged.
If  your  child-restraint  system  came  equipped  with  a  tether,  tha t
means  it  is  very  important  to  properly  secure  the  tether  for  ch ild
safety.  Please  carefully  follow  the  child-restraint  system  manu fac-
turer’s instructions w hen installing tethers.
3
WARNING
■Use the tether and tether anchor only for a child-restraint system
Using  the  tether  or  tether  anchor  to  secure  anything  but  a  chil d-restraint
system  is  dangerous.  This  could  weaken  or  damage  the  tether  or  tether
anchor and result in injury.
■ Always remove the head restraint and install child-restraint sy stem
Installing  a  child-restraint  system  without  removing  the  head  restraint  is
dangerous.  The  child-restraint  system  cannot  be  installed  corre ctly  which
may result in death or injury to the child in a collision.
4
5
6
4-Door5-Door
Tether strap
Anchor bracket
Tether strap
Forward 
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68
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
1-4. SRS Air Bags
WARNING
■Seat belts must be worn in air bag equipped vehicles
Depending only on the air bags for protection during an acciden t is danger-
ous. Alone,  air  bags  may  not  prevent  serious  injuries.  The  appr opriate  air
bags  can  be  expected  to  inflate  only  in  the  first  accident,  suc h  as  frontal,
near frontal or side collisions or roll-over accidents that are at least moder-
ate. Vehicle occupants should always wear seat belts.
■ Children should not ride  in the front passenger seat
Placing a child, 12 years or under, in the front seat is danger ous. The child
could be hit by a deploying air bag and be seriously injured or  even killed. A
sleeping child  is more  likely  to lean against  the door  and be h it  by the side
air  bag  in  moderate  collision  to  the  front-passenger  side  of  th e  vehicle.
Whenever  possible,  always  secure  a  child  12  years  and  under  on  the  rear
seats with an appropriate child-restraint system for the child’s age and size.
■ Never use a rear-facing child-restraint system in the front sea t with an
air bag that could deploy
■ Do not sit too close  to the driver and fron t passenger air bags
Sitting too close to the driver and front passenger air bag modules or plac-
ing hands or feet on them is extremely dangerous. The driver an d front pas-
senger  air  bags  inflate  with  great  force  and  speed.  Serious  injuries  could
occur  if  someone  is  too  close. The  driver  should  always  hold  on to  only  the
rim  of  the  steering  wheel.  The  front  seat  passenger  should  keep  both  feet
on  the  floor.  Front  seat  occupants  should  adjust  their  seats  as  far  back  as
possible  and  always  sit  upright  against  the  seatbacks  with  seat   belts  worn
properly.
Rear-facing  child-restraint  systems  on
the  front  seat  are  particularly  dangerous
even though you may feel assured that a
front  passenger  air  bag  will  not  deploy
based  on  the  fact  that  the  front  passen-
ger  air  bag  deactivation  indicator  light
illuminates.  The  child-restraint  system
can  be  hit  by  a  deploying  air  bag  and
moved  violently  backward  resulting  in
serious injury or death to the child. 
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73
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
1-4. SRS Air Bags
1
Essential Safety Equipment
Supplemental Restraint System Compo-
nents
Side and curtain inflators and air bags
Side crash sensors
Driver/Front passenger inflators and air bags
Air bag/seat belt pretensi oner system warning light ( P. 173)
Roll-over sensor, crash sensors,  and diagnostic module (SAS uni t) 
Front passenger air bag deac tivation indicator light (P.   8 3 )  
Front air bag sensors
Seat belt pretensioners ( P.   3 9 )
Front passenger occupant c lassification sensor (P.   8 2 )
Front passenger occupant  classification module1
2
3
4
5
6
7
8
9
10 
Page 77 of 572

YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
771-4. SRS Air Bags
1
Essential Safety Equipment
◆Warning Light/Beep
A  system  malfunction  or  operation  conditions  are  indicated  by  a
warning. 
Refer to Warning/Indi cator Lights on P. 173.
Refer to Warning Sound i s Activated on P. 502. 
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82
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
1-4. SRS Air Bags
Front Passenger Occupant Classification 
System
Your  vehicle  is  equipped  with  a  f ront  passenger  occupant  classifica-
tion  sensor  as  a  part  of  the  supplemental  restraint  system. Thi s  sen-
sor  is  equipped  in  the  front  pas senger’s  seat  cushion.  This  sensor
measures the electrostatic capacity of the front passenger’s se at. The
SAS unit is designed to prevent the front passenger front and side air
bags  and  seat  belt  pretensioner  system  from  deploying  if  the  front
passenger air bag deactivation indicator light turns on.
To  reduce  the  chance  of  injuries  caused  by  deployment  of  the  front
passenger  air  bag,  the  system  deactivates  the  front  passenger  f ront
and side air bags and also the seat belt pretensioner system wh en the
front  passenger  air  bag  deactivat ion  indicator  light  turns  on. Refer  to
the following table for the front passenger air bag deactivatio n indica-
tor light illumination conditions.
This system shuts off the front p assenger front and side air bags and
seat  belt  pretensioner  system,  s o  make  sure  the  front  passenger  air
bag  deactivation  indicator  light  turns  on  according  to  the  foll owing
table.
The  air  bag/front  seat  belt  pretensioner  system  warning  light  f lashes
and the front passenger air bag deactivation indicator light il luminates
if  the  sensors  have  a  possible  ma lfunction.  If  this  happens,  the  front
passenger  front  and  side  air  bags  and  seat  belt  pretensioner  sy stem
will not deploy.
First,  please  read  “Supplemental  Restraint  System  (SRS)  Pre-
cautions” ( P. 66) carefully.
Front Passenger Occupant  Classification Sensor 
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84
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
1-4. SRS Air Bags
If  the  front  passenger  air  bag  deactivation  indicator  light  does  not
turn  on  when  the  ignition  is  swi tched  ON  and  does  not  turn  on  a s
indicated  in  the  front  passenger  air  bag  deactivation  indicator   light
on/off  condition  chart,  do  not  allow  an  occupant  to  sit  in  the  front
passenger  seat  and  consult  your  Toyota  dealer  as  soon  as  possi-
ble. The system may not wor k properly in an accident.
●The  system  requires  about  10  seconds  to  alternate  between  turning  the
front passenger front and side air bags and seat belt pretensio ner system on
or off.
● The front passenger air bag deactivation indicator light may tu rn on repeat-
edly  if  luggage  or  other  items  are  put  on  the  front  passenger  s eat,  or  if  the
temperature of the vehicle’s interior changes suddenly.
● The  front  passenger  air  bag  deactivation  indicator  light  may  tu rn  on  for  10
seconds if the electrostatic capacity on the front passenger se at changes.
● The air bag/front seat belt pretensioner system warning light might turn on if
the front passenger seat receives a severe impact.
● If  the  front  passenger  air  bag  deactivation  indicator  light  doe s  not  turn  on
after installing a child-restraint system on the front passenge r seat, first, re-
install your child-restraint system according to the procedure  in this owner’s
manual. Then,  if  the  front  passenger  air  bag  deactivation  indic ator  light  still
does not turn on, install the child-restraint system on the rea r seat and con-
sult your Toyota dealer as soon as possible.
● If  the  front  passenger  air  bag  deactivation  indicator  light  tur ns  on  when  an
occupant is seated directly in the front passenger seat, have the passenger
re-adjust their posture by sitting with their feet on the floor , and then re-fas-
tening the seat belt. If the front passenger air bag deactivati on indicator light
remains turned on, move the passenger to the rear seat. If sitt ing in the rear
seat is not possible, slide the front passenger seat as far bac k as possible.
Consult your Toyota dealer as soon as possible. 
Page 85 of 572

YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
851-4. SRS Air Bags
1
Essential Safety Equipment
WARNING
■Do  not  allow  an  occupant  in  the  front  passenger’s  seat  to  sit  w ith  a
posture which makes it difficult for the front passenger occupa nt clas-
sification sensor to detect  the occupant correctly
Sitting  in  the  front  passenger’s  seat  with  a  posture  which  make s  it  difficult
for  the  front  passenger  occupant  classification  sensor  to  detec t  the  occu-
pant  correctly  is  dangerous.  If  the  front  passenger  occupant  classification
sensor cannot detect the occupant sitting on the front passenge r’s seat cor-
rectly, the front passenger front and side air bags and pretens ioner system
may  not  operate  (deploy)  or  they  may  operate  (deploy)  accidenta lly.  The
front passenger will not have the supplementary protection of t he air bags or
the accidental operation (deployment) of the air bags could res ult in serious
injury  or  death.  Under  the  following  conditions,  the  front  pass enger  occu-
pant  classification  sensor  cannot  detect  a  passenger  sitting  on  the  front
passenger’s  seat  correctly  and  the  deployment/non-deployment  of   the  air
bags cannot be controlled as indicated in the front passenger air bag deac-
tivation indicator light on/off condition chart. For example:
● A front passenger is seated as shown in the following figure:
● A rear passenger pushes up on the front passenger seat with their feet.
● Luggage or other items placed under the front passenger seat or  between
the front passenger seat and driver seat that push up the front passenger
seat bottom.
● An object, such as a seat cushion, is put on the front passenge r’s seat or
between the passenger’s back and the seatback. 
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86
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
1-4. SRS Air Bags
WARNING
■Do  not  allow  an  occupant  in  the  front  passenger’s  seat  to  sit  w ith  a
posture which makes it difficult for the front passenger occupa nt clas-
sification sensor to detect  the occupant correctly
● A seat cover is put on the front passenger’s seat.
● Luggage  or  other  items  are  placed  on  the  seat  with  the  child  in   the  child-
restraint system.
● A  rear  passenger  or  luggage  push  or  pull  down  on  the  front  pass enger
seatback.
● Luggage  or  other  items  are  placed  on  the  seatback  or  hung  on  the  head
restraint.
● The seat is washed.
● Liquids are spilled on the seat.
● The  front  passenger  seat  is  moved  backward,  pushing  into  luggag e  or
other items placed behind it.
● The front passenger seatback contacts the rear seat.
● Luggage or other items are placed between the front passenger s eat and
driver seat.
● An electric device is put on the front passenger’s seat.
● An  additional  electrical  device,  such  as  a  seat  warmer  is  installed  to  the
surface of the front passenger seat.
The front passenger front and side air bags and seat belt prete nsioner sys-
tems will deactivate if the front passenger air bag deactivatio n indicator light
turns on.
NOTICE
● To assure proper deployment of the front air bag and to prevent  damage to
the sensor in the front seat cushion:
• Do not place sharp objects on the front seat cushion or leave  heavy lug-
gage on them.
• Do not spill any liquids on the front seats or under the front seats.
● To allow the sensors to function properly, always perform the f ollowing:
• Adjust  the  front  seats  as  far  back  as  possible  and  always  sit  upright
against the seatbacks with seat belts worn properly.
• If  you  place  your  child  on  the  front  passenger  seat,  secure  th e  child-
restraint system properly and slide the front passenger seat as  far back
as possible ( P. 57). 
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YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
1-4. SRS Air Bags
1
Essential Safety Equipment
Constant Monitoring
The following components of the air bag systems are monitored by  a
diagnostic system: • Crash sensors, and diagnostic module (SAS unit)
• Front air bag sensors
• Air bag modules
• Side crash sensors
• Air bag/Front seat belt pret ensioner system warning light
• Front seat belt pretensioners
• Related wiring
• Front passenger air bag d eactivation indicator light
• Front passenger occupant  classification sensor
• Front passenger occupant  classification module
The diagnostic module continuously monitors the system’s readin ess.
This begins when the ignition is switched ON and continues whil e the
vehicle is being driven. 
Page 91 of 572

YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
912-1. Keys
2
Before Driving
●The driver must carry the key to ensure the system functions properly.
● Always  keep  a  spare  key  in  case  one  is  lost.  If  a  key  is  lost,  consult  your
Toyota dealer as soon as possible.
WARNING
■Do  not  leave  the  key  in  your  vehi cle  with  children  and  keep  them  in  a
place where your children will not find or play with them
Leaving children in a vehicle with the key is dangerous. This c ould result in
someone being badly injured or even killed. Children may find these keys to
be  an  interesting  toy  to  play  with  and  could  cause  the  power  wi ndows  or
other controls to operate, or even make the vehicle move.
NOTICE
● Because  the  key  (smart  key)  uses  low-intensity  radio  waves,  it  may  not
function correctly under the following conditions:
• The key is carried with communication devices such as cellular phones.
• The key contacts or is covered by a metal object.
• The key is near electronic devices such as personal computers.
• Non-Toyota genuine electronic equipment is installed in the ve hicle.
• There is equipment which discharges radio waves near the vehic le.
● The key (smart key) may consume battery power excessively if it receives
high-intensity  radio  waves.  Do  not  place  the  key  near  electronic  devices
such as televisions or personal computers.
● To avoid damage to the key (smart key), DO NOT:
• Drop the key.
• Get the key wet.
• Disassemble the key.
• Expose the key to high temperatures on places such as the dash board
or hood, under direct sunlight.
• Expose the key to any kind of magnetic field.
• Place heavy objects on the key.
• Put the key in an ultrasonic cleaner.
• Put any magnetized objects close to the key.