TOYOTA 4RUNNER 2021 Owners Manual (in English)
Manufacturer: TOYOTA, Model Year: 2021, Model line: 4RUNNER, Model: TOYOTA 4RUNNER 2021Pages: 592, PDF Size: 13.3 MB
Page 501 of 592

5017-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)
Lay down the tire with the outer
side  facing  up,  and  install  the
holding  bracket,  inserting  the
claw into the wheel lug nut hole.
Turn  the  jack  handle  extension
clockwise  to  take  up  slack  in
the chain.
Then, check to ensure the claw
is in the wheel lug nut hole and
the  holding  bracket  is  centered
in the wheel hub.
Holding bracket
Claw
Vehicles  wit hout  kinetic
dynamic  suspension:  While
raising,  secure  the  tire,  taking
care  that  the  tire  goes  straight
up without catching on any sur-
rounding  part  to  prevent  it  from
flying  forward  during  a  collision
or sudden braking.
Vehicles  with  kinetic  dynamic  su spension:  While  raising,  pull  the
tire towards the rear of the vehi cle, taking care that the tire goes up
without  catching  on  any  surrounding  part  to  prevent  it  from  fly ing
forward during a collis ion or sudden braking.
Tightening torque:
34.4 ft•lbf (46.6 N•m, 4.8 kgf•m)
WARNING
■Stowing the flat tire
Failure to follow steps listed under stowing the tire may resul t in damage
to the spare tire carrier and lose of the tire, which could res ult in death or
serious injury.
Stowing the flat/spare  tire, jack and tools
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Page 502 of 592

5027-2. Steps to take in an emergency
4RUNNER (U)
Confirm that the tire is not loose
after tightening:Push and pull the tire
Try rotating
Vishually check to ensure the tire
is not hung on su rrounding parts.
If  looseness  or  misassembly
exists,  repeat  step    and  step
.
Repeat step   any time the tire  is lowered or disturbed.
Stow the tools and jack securely.
■After completing  the tire change
The tire pressure warni ng system must be reset. ( P. 425)
■When using the spare tire (veh icles without P245/60R20 tires)
As  the  spare  tire  is  not  equipped  with  a  tire  pressure  warning  valve  and
transmitter, low inflation pre ssure of the spare tire will not  be indicated by
the tire pressure warning system. Also, if you replace the spar e tire after
the tire pressure wa rning light comes on, the light remains on.
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Page 503 of 592

5037-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair.
■When stowing the flat tire
Ensure  that  there  is  no  object  c aught  between  the  tire  and  the vehicle
underbody.
■When replacing the tires
●When removing or fitting the wheels, tires or the tire pressure warning
valve  and  transmitter,  contact  your  Toyota  dealer  as  the  tire  p ressure
warning  valve  and  transmitter  may  be  damaged  if  not  handled  cor -
rectly.
●Replace the grommets for the tire pressure warning valves and t rans-
mitters as well.
■To avoid damage to the tire pressure warning valves and transmi t-
ters
When  a  tire  is  repaired  with  liqui d  sealants,  the  tire  pressure  warning
valve  and  transmitter  may  not  operate  properly.  If  a  liquid  sea lant  is
used, contact your Toyota dealer  or other qualified service shop as soon
as  possible.  Make  sure  to  replac e  the  tire  pressure  warning  valve  and
transmitter when replacing the tire. ( P.   4 2 5 ) 
Page 504 of 592

5047-2. Steps to take in an emergency
4RUNNER (U)
One of the following may be the cause of the problem:
● There may not be sufficient fuel in the vehicle’s tank. 
Refuel the vehicle.
● The engine may be flooded. 
Try to restart the engine again following correct starting proc edures.
(  P. 209, 212)
● There may be a malf unction in the engine immobilizer system. 
(  P. 76)
One of the following may be  the cause of the problem:
● The battery may be discharged. ( P. 510)
● The battery terminal connecti ons may be loose or corroded.
The engine starting system may be malfunctioning due to an elec trical
problem such as an open circuit or a blown fuse. However, an in terim
measure is available to start the engine. ( P. 505)
If  the engine will not star t
If  the  engine  will  not  start  eve n  though  correct  starting  proce -
dures are being followed ( P. 209, 212), consider each of the fol-
lowing points:
The engine will not start even t hough the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and he ad-
lights  are  dim,  or  the  horn  does  not  sound  or  sounds  at  a  low
volume.
The starter motor d oes not turn over 
Page 505 of 592

5057-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)
One of the following may be the cause of the problem:
● One or both of the battery t erminals may be disconnected.
● The battery may be discharged. ( P. 510)
● There  may  be  a  malfunction  in  the   steering  lock  system  (vehicles
with a smart key system).
Contact  your  Toyota  dealer  if  the  problem  cannot  be  repaired,  o r  if  repair
procedures are unknown.
When the engine does not start, the following steps can be used  as an
interim measure to start the engine if the engine switch is fun ctioning
normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press  and  hold  the  engine  switch  for  about  15  seconds  while
depressing the brake pedal firmly.
Even  if  the  engine  can  be  start ed  using  the  above  steps,  the  sy stem
may  be  malfunctioning.  Have  the  vehicle  inspected  by  your  Toyot a
dealer.
The starter motor does not turn over, the interior lights and h ead-
lights do not turn on, o r the horn does not sound.
Emergency start function (vehicles with a smart key system)
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Page 506 of 592

5067-2. Steps to take in an emergency
4RUNNER (U)
Remove  the  cover  on  the  back
door trim.
Tear  the  plastic  film.  Remove
the cover.
Pull the lever.
If  you cannot operate back door opener
If  the  back  door  opener  does  not  operate,  there  may  be  a  prob-
lem  with  the  back  door  opene r  system.  Have  the  vehicle
inspected by your Toyota dealer immediately. 
The  following  steps  may  be  used  as  an  emergency  measure  to
ensure that the back door ca n be opened from the inside.
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Page 507 of 592

5077-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)
Use the mechanical key 
( P.  104)  in  order  to  perform  the
following operations:
Locks all the doors
Closes  the  windows  and  moon
roof (turn and hold)
* 
(  P. 164, 172)
Unlocks all the doors
Turning  the  key  rearward  unlocks  the  driver’s  door.  Turning  the   key  once
again unlocks the other doors.
Opens the windows and moon roof (turn and hold)* 
(  P. 164, 172)
*: This setting must be customized at your Toyota dealer.
If  the electronic key does not operate 
properly (vehicles with a smar t key system)
If  communication  between  the  electronic  key  and  vehicle  is
interrupted  ( P.  122)  or  the  electronic  key  cannot  be  used
because the battery is depleted, the smart key system and wire-
less  remote  control  cannot  be  used.  In  such  cases,  the  doors
can  be  opened  and  the  engine  c an  be  started  by  following  the
procedure below.
Locking and unlocking the doors
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Page 508 of 592

5087-2. Steps to take in an emergency
4RUNNER (U)
Ensure that the shift lever is in P and depress the brake pedal.
Touch  the  Toyota  emblem  side
of  the  electronic  key  to  the
engine switch.
When  the  electronic  key  is
detected, a buzzer sounds and the
engine switch will turn to IGNITION
ON mode.
When  the  smart  key  system  is
deactivated  in  customization  set-
ting,  the  engine  switch  will  turn  to
ACCESSORY mode.
Firmly  depress  the  brake pedal  and  check  that    is  displayed
on the multi-information display.
Press the engine switch  shortly and firmly.
In the event that the engine still cannot be started, contact your Toyota
dealer.
■ Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when
stopping the engine.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 444)
■ Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake ped al and press
the engine switch.
The engine does not start and modes will be changed each time t he switch is
pressed.( P. 213)
■ When the electronic key does not work properly
●Make  sure  that  the  smart  key  system  has  not  been  deactivated  in   the  cus-
tomization setting. If it is off, turn the function on. 
(Customizable features:  P. 545)
● Check if battery-saving mode is set. If it is set, cancel the f unction. 
( P. 121)
Starting the engine
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Page 509 of 592

5097-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)
WARNING
■When  using  the  mechanical  key  a nd  operating  the  power  windows,
power back window or moon roof
Operate the power windows, power back window or moon roof after check-
ing to make sure that there is no possibility of any passenger  having any of
their body parts caught in the window or moon roof. 
Also,  do  not  allow  children  to  operate  the  mechanical  key.  It  is  possible  for
children  and  other  passengers  to  get  caught  in  the  power  window s,  power
back window or moon roof. 
Page 510 of 592

5107-2. Steps to take in an emergency
4RUNNER (U)
If  you  have  a  set  of  jumper  (or  booster)  cables  and  a  second  vehicle
with a 12-volt battery, you can jump start your vehicle by foll owing the
steps below.
Confirm  that  the  electronic  key
is being carried.
When  connecting  the  jumper  (or
booster)  cables,  depending  on  the
situation,  the  alarm  may  activate
and doors locked. ( P. 80)
Open the hood ( P. 407)
If  the vehicle batt er y is discharged
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call your Toyota de aler or a qualified repair shop.
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