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 111 of 592

1113-1. Key information
3
Operation of each component
4RUNNER (U)
Vehicles with a smart key system
Locks all the doors
Check  that  the  door  is  securely
locked.
Unlocks all the doors
Pressing  the  button  unlocks  the
driver's  door.  Pressing  the  but-
ton  again  within  3  seconds
unlocks the other doors.
Press  and hold to open the win-
dows and moon roof.
* 
( P. 164, 172)
*: This setting must be customized at your Toyota dealer.
◆Key
Turning the key operates the doors as follows:
Vehicles without a smart key system
Locks all the doors
Turn  and  hold  to  close  the  win-
dows and moon roof.
* 
( P. 164, 172)
Unlocks all the doors
Driver’s  side  only:  Turning  the
key  unlocks  the  driver’s  door.
Turning  the  key  again  unlocks
the other doors.
Turn and hold to open the windows and moon roof.
* ( P. 164, 172)
*: This setting must be customized at your Toyota dealer.
Vehicles with a smart key system
The  doors  can  also  be  locked  and  unlocked  with  the  mechanical
key. ( P.   5 0 7 )
1
2
1
2 
Page 112 of 592

1123-1. Key information
4RUNNER (U)
■Operation signals
Vehicles without a smart key system
The  emergency  flashers  flash  to  indicate  that  the  doors  have  been  locked/
unlocked. (Locked: once; Unlocked: twice)
Vehicles with a smart key system
A buzzer sounds and the emergency flashers flash to indicate th at the doors
have been locked/unlocked. (Locked: once; Unlocked: twice)
■ Security feature
Vehicles without a smart key system
If  a  door  is  not  opened  within  approximately  60  seconds  after  t he  vehicle  is
unlocked, the security feature automatically locks the vehicle again.
Vehicles with a smart key system
If  a  door  is  not  opened  within  approximately  60  seconds  after  t he  vehicle  is
unlocked,  the  security  feature  automatically  locks  the  vehicle  again.  (How-
ever,  depending  on  the  location  of  the  electronic  key,  the  key  may  be
detected as being in the vehicle. In this case, vehicle may be  unlocked.)
■ When the door cannot be locked by the lock sensor on the upper  part of
the door handle (vehicles with a smart key system)
■ Door lock buzzer
If  an  attempt  to  lock  the  doors  is  made  when  a  door  is  not  full y  closed,  a
buzzer sounds continuously. Fully close the door to stop the bu zzer, and lock
the vehicle once more.
■ Alarm (if equipped)
Locking the doors will set the alarm system. ( P. 79)
■ If the smart key system or the wireless remote control does not operate
properly
Vehicles with a smart key system: Use the mechanical key to loc k and unlock
the doors. ( P. 507)
Replace the battery with a new one if it is depleted. ( P. 443)
If the door will not lock even when the top-
side  sensor  area  is  touched,  try  touching
both  the  topside  and  underside  sensor
areas at the same time. 
Page 113 of 592

1133-1. Key information
3
Operation of each component
4RUNNER (U)
◆Door lock switchesLocks all the doors
Unlocks all the doors
◆Inside lock buttonsLocks the door
Unlocks the door
The  front  doors  can  be  opened
by  pulling  the  inside  handle
even  if  the  lock  buttons  are  in
the lock position.
Unlocking and locking the doors from the inside
1
2
1
2 
Page 114 of 592

1143-1. Key information
4RUNNER (U)
Move the inside lock button to the lock position.
Close the door.
Vehicles without a smart key system
The  door  cannot  be  locked  if  either  of  the  front  doors  is  open  and
the key is in th e engine switch.
Vehicles with a smart key system
The door  cannot be locked if the  engine switch  is  in ACCESSORY
or IGNITION ON mode, or the electronic key is left inside the v ehi-
cle.  However,  the  key  may  not  be  detected  correctly  and  the  doo r
may be locked.
The  door  cannot  be  opened  from
inside the vehicle when the lock is
set. Unlock
Lock
These  locks  can  be  set  to  prevent
children  from  opening  the  rear
doors.  Push  down  on  each  rear
door switch to lock both rear doors.
Locking the doors from the  outside without a key
Rear door child-protector lock
1
2
1
2 
Page 115 of 592

1153-1. Key information
3
Operation of each component
4RUNNER (U)
The following functions can be set or canceled:
For instructions on customizing, refer to P. 545.
■
Setting and cance ling the functions
To  switch  between  setting  and  canceling,  follow  the  procedure
below: Vehicles without a smart key system: Close all the doors and tu rn
the engine switch to the “ON” position. (Perform step 2 within  20
seconds.)
Vehicles  with  a  smart  key  system :  Close  all  the  doors  and  turn
the engine switch to IGNITION O N mode. (Perform step 2 within
20 seconds.)
Automatic door locking and unlocking systems
FunctionOperation
Speed linked door locking function
All  doors  are  automatically  locked
when  vehicle  speed  is  approxi-
mately 12 mph (20 km/h) or higher.
Shift  position  linked  door  locking
functionAll  doors  are  automatically  locked
when  shifting  the  shift  lever  to  posi-
tion other than P.
Shift  position  linked  door  unlocking
functionAll doors are automatically unlocked
when shifting the shift lever to P.
Driver's  door  linked  door  unlocking
function
(
vehicles  without  a  smart  key  sys-
tem
)
All doors are automatically unlocked
when  driver's  door  is  opened  within
10  seconds  after  turning  the  engine
switch to “ACC” or “LOCK”.
Driver's  door  linked  door  unlocking
function
(vehicles with a smart key system)All doors are automatically unlocked
when  driver's  door  is  opened  within
10  seconds  after  turning  the  engine
switch off.
1 
Page 116 of 592

1163-1. Key information
4RUNNER (U)
Shift the shift lever to P or N,
and  press  and  hold  the
driver's  door  lock  switch
(
or)  for  approxi-
mately  5  seconds  and  then
release.
The  shift  lever  and  switch  posi-
tions  corresponding  to  the
desired  function  to  be  set  are
shown in the following table.
Use the same procedure to can-
cel the function.
When the setting or canceling ope ration is complete, all the doors are
locked and then unlocked.
2
FunctionShift lever  positionDriver’s door lock switch  position
Shift  position  linked
door locking function
PShift  position  linked
door unlocking function
Speed linked door lock-
ing function
NDriver's  door  linked
door unlocking function 
Page 117 of 592

1173-1. Key information
3
Operation of each component
4RUNNER (U)
■Switching the door unlock func tion (vehicles with a smart key system)
It is possible to set which doors the entry function unlocks using the wireless
remote control. 
Turn the power switch off.
When the indicator light on the key surface is not on, press an d hold 
or   for about 5 seconds while pressing and holding  . 
The  setting  changes  each  time  an  operation  is  performed,  as  sho wn  below.
(When changing the setting continuously, release the buttons, w ait for at least
5 seconds, and repeat step 2.)
■ Customization
Settings (e.g. unlocking function using a key) can be changed. 
(Customizable features:  P. 545)
1
2
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant throwing out
of the vehicle, resulting in death or serious injury.
● Ensure that all doors are properly closed and locked.
● Do not pull the inside handle of the doors while driving. 
Be especially careful for the front doors, as the doors may be  opened even
if the inside lock buttons are in locked position.
● Set the rear door child-protector locks when children are seate d in the rear
seats.
Unlocking doorsBeep
Holding  the  driver's  door  handle
unlocks only the driver's door. 
Exterior: Beeps 3 times
Interior: Beeps once
Holding  the  front  passenger’s  door
handle unlocks all the doors.
Holding  either  front  door  handle
unlocks all the doors.Exterior: Beeps twice
Interior: Beeps once 
Page 118 of 592

118
4RUNNER (U)
3-2. Opening, closing and locking the doors
●Locks and unloc ks the doors (P. 110)
● Starts the engine ( P.   2 1 2 )
■Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna  outside  the  luggage
compartment
Smart key system
: If equipped
Function summary
The  following  operations  can  be  performed  simply  by  carrying
the  electronic  key  on  your  person,  for  example  in  your  pocket.
(The driver should always ca rry the electronic key.)
1
2
3 
Page 119 of 592

1193-2. Opening, closing and locking the doors
3
Operation of each component
4RUNNER (U)■
Effective  range  (areas  within  which  the  electronic  key  is
detected)
When  locking  or  unlocking
the doors
The  system  can  be  operated
when the electronic key is within
about 2.3 ft. (0.7 m) either of the
outside  front  door  handles  and
back  door.  (Only  the  doors
detecting  the  key  can  be  oper-
ated.)
When  starting  the  engine  or
changing  engine  switch
modes
The  system  can  be  operated
when the electronic key is inside
the vehicle. 
Page 120 of 592

1203-2. Opening, closing and locking the doors
4RUNNER (U)
■Alarms and warning indicators
A  combination  of  exterior  and  interior  alarms  as  well  as  warnin g  messages
shown on the multi-information display are used to prevent theft of the vehicle
and  accidents  resulting  from  erroneous  operation.  Take  appropriate  mea-
sures in response to any warning message on the multi-informati on display.
The following table describes circumstances and correction procedures when
only alarms are sounded.
AlarmSituationCorrection procedure
Exterior  alarm  sounds
once for 5 seconds
An  attempt  was  made
to  lock  the  doors  using
the  smart  key  system
while the electronic key
was still inside the vehi-
cle.
Retrieve  the  electronic
key  from  the  vehicle
and  lock  the  doors
again.An  attempt  was  made
to  lock  either  front  door
by  opening  a  door  and
putting  the  inside  lock
button  into  the  lock
position,  then  closing
the  door  by  pulling  on
the outside door handle
with  the  electronic  key
still inside the vehicle.
An  attempt  was  made
to lock the vehicle while
a door was open.Close  all  of  the  doors
and  lock  the  doors
again.
Interior  alarm  sounds
continuously
An  attempt  was  made
to  open  the  door  and
exit  the  vehicle  when
the  shift  lever  was  not
in P.
Shift the shift lever to P.
Interior  alarm  pings
repeatedly
The  engine  switch  was
turned to ACCESSORY
mode  while  the  driver's
door was open
(The  driver's  door  was
opened  when  the
engine  switch  was  in
ACCESSORY mode.)
Turn  the  engine  switch
off  and  close  the
driver's door.