key TOYOTA 4RUNNER 2021 (in English) Service Manual

1243-2. Opening, closing and locking the doors
4RUNNER (U)■
Note for the unlocking function
●Gripping the door handle when wearing a glove may not unlock th e door.
● A sudden approach to the effective range or door handle may prevent the
doors from being unlocked. In this case, return the door handle to the origi-
nal position and check that the doors unlock before pulling the door handle
again.
● If there is another electronic key in the detection area, it ma y take slightly
longer to unlock the doors after the door handle is gripped.
■ When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic ke y within 6 ft. (2
m) of the vehicle.
● The smart key system can be deactivated in advance. Ask your To yota
dealer for details.
● Setting the electronic key to battery- saving mode helps to reduce key bat-
tery depletion. ( P. 121)
■ To operate the system properly
●Make sure to carry the electronic key when operating the system. Do not get
the electronic key too close to the vehicle when operating the system from
the outside of the vehicle.
● Depending on the position and holding condition of the electronic key, the
key may not be detected correctly and the system may not operat e properly.
(The alarm may go off accidentally, or the door lock prevention function may
not operate.)
■ If the smart key system does not operate properly
●Locking and unlocking the doors: Use the mechanical key. ( P. 507)
● Starting the engine: P. 508
■ Customization
Settings (e. g. operation signal) can be changed.
(Customizable features: P. 545)
■ If the smart key system has been d eactivated in a customized setting
● Locking and unlocking the doors: P. 507
● Starting the engine and changing engine switch modes: P. 508
● Stopping the engine: P. 213

1253-2. Opening, closing and locking the doors
3
Operation of each component
4RUNNER (U)■
Certification for the smart key system
For vehicles sold in the U.S.A.

1273-2. Opening, closing and locking the doors
3
Operation of each component
4RUNNER (U)
For vehicles sold in Canada
WARNING
■Caution regarding interfer ence with electronic devices
● People with implantable cardiac pacemakers, cardiac resynchroni zation
therapy-pacemakers or implantable cardioverter defibrillators s hould keep
away from the smart key system antennas.
( P. 118)
The radio waves may affect the operation of such devices. If ne cessary,
the entry function can be disabled. Ask your Toyota dealer for details, such
as the frequency of radio waves and timing of the emitted radio waves.
Then, consult your doctor to see if you should disable the entr y function.
● Users of any electrical medical device other than implantable c ardiac
pacemakers, cardiac resynchronization therapy-pacemakers or implant-
able cardioverter defibrillators should consult the manufacture r of the
device for information about its operation under the influence of radio
waves.
Radio waves could have unexpected effects on the operation of such
medical devices.
Ask your Toyota dealer for details on disabling the entry function.

1313-2. Opening, closing and locking the doors
3
Operation of each component
4RUNNER (U)
◆Smart key system (if equipped)
Carry the electronic key to enable this function.
Press the button to unlock
the door.
Press the button to lock the
door.
Check that the door is securely
locked.
◆Wireless remote control
 P. 1 1 0
◆Key (vehicles without a smart key system)
Turning the key operates the doors as follows: Locks all the doors
Unlocks all the doors
Back door
Unlocking and locking the back door from the outside
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1503-3. Adjusting the seats
4RUNNER (U)
■To stop the position recall operation part-way through
Perform any of the following:
●Press the “SET” button.
● Press button “1” or “2”.
● Operate any of the seat adjustment switches (only cancels seat position
recall).
■ Seat positions that can be memorized ( P. 136)
All adjusted positions can be recorded.
■ Operating the driving position m emory after turning the engine switch
off
Recorded seat positions can be activated up to 180 seconds after the driver’s
door is opened and another 60 seconds after it is closed again.
■ In order to correctly use the dr iving position memory function
If a seat position is already in the furthest possible position and the seat is
operated in the same direction, the recorded position may be sl ightly different
when it is recalled.
Each electronic key can be registered to recall your preferred driving
position.
■Registering procedure
Record your driving position to button “1” or “2” before perfor ming
the following:
Carry only the key you want to register, and then close the dri ver’s
door.
If 2 or more keys are in the vehicle, the driving position cann ot be
recorded properly.
Check that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Recall the driving position that you want to record.
Memory recall function
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1513-3. Adjusting the seats
3
Operation of each component
4RUNNER (U)
While pressing the recalled
button, press and hold the
door lock switch (either lock
or unlock) until the buzzer
sounds.
If the button could not be regis-
tered, the buzzer sounds contin-
uously for approximately 3
seconds.
■
Recall procedure
Make sure that the doors are locked before recalling the drivin g
position. Carry the electronic k ey that has been registered to the
driving position, and then unlock and open the driver’s door us ing
the smart system or wi reless remote control.
The driving position will move to the recorded position.
If the driving position is in a position that has already been recorded, the
seat will not move.
■
Cancelation procedure
Carry only the key you want to cancel and then close the driver ’s
door.
If 2 or more keys are in the vehicle, the driving position cann ot be
canceled properly.
Turn the engine switch to IGNITION ON mode.
While pressing the “SET” button, press and hold the door lock
switch (either lock or unlock) until the buzzer sounds twice.
If the button could not be canceled, the buzzer sounds continuo usly for
approximately 3 seconds.
■ Recalling the driving position u sing the memory recall function
● Different driving positions can be registered for each electronic key. There-
fore, the driving position that is recalled may be different de pending on the
key being carried.
● If a door other than the driver’s door is unlocked with the sma rt system, the
driving position cannot be recalled. In this case, press the dr iving position
button which has been set.
■ Customization
The unlock door settings of the memory recall function can be customized.
(Customizable features: P. 545)
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1583-4. Adjusting the steering wheel and mirrors
4RUNNER (U)
The height of the rear view mirror can be adjusted to suit your driving
posture.
Adjust the height of the rear view
mirror by moving it up and down.
Responding to the level of brightness of the headlights of vehi cles
behind, the reflected light is automatically reduced.
Changing automatic anti-glare
function mode
ON/OFF
When the automatic anti-glare
function is in on mode, the indica-
tor illuminates.
Vehicles without a smart key sys-
tem:
The function will set to on mode
each time the engine switch is
turned to the “ON” position.
Pressing the button turns the func-
tion to off mode. (The indicator also
turns off.)
Vehicles with a smart key system:
The function will set to on mode
each time the engine switch is
turned to IGNITION ON mode.
Pressing the button turns the func-
tion to off mode. (The indicator also
turns off.)
Inside rear view mirror
The rear view mirror’s position ca n be adjusted to enable suffi-
cient confirmation of the rear view.
Adjusting the height of rear view mirror
Anti-glare function
Indicator

1613-4. Adjusting the steering wheel and mirrors
3
Operation of each component
4RUNNER (U)
■Mirror angle can be adjusted when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The engine switch is in ACCESSORY or IGNITION ON mode.
■ When the mirrors are fogged up
The outside rear view mirrors can be cleared using the mirror d efoggers. Turn
on the rear window defogger to turn on the outside rear view mi rror defog-
gers. ( P. 342, 349)
WARNING
■Important points while driving
Observe the following precautions while driving.
Failure to do so may result in loss of control of the vehicle and cause an
accident, resulting in death or serious injury.
● Do not adjust the mirrors while driving.
● Do not drive with the mirrors folded.
● Both the driver and passenger side mirrors must be extended and properly
adjusted before driving.
■ When a mirror is moving
To avoid personal injury and mirror malfunction, be careful not to get your
hand caught by the moving mirror.
■ When the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot
and burn you.

1633-5. Opening, closing the windows and moon roof
3
Operation of each component
4RUNNER (U)
■The power windows can be operated when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The engine switch is in IGNITION ON mode.
■ Operating the power windows after turning the engine off
Vehicles without a smart key system
The power windows can be operated for approximately 45 seconds even
after the engine switch is turned to the “ACC” or “LOCK” positi on. They can-
not, however, be operated once either front door is opened.
Vehicles with a smart key system
The power windows can be operated for approximately 45 seconds even
after the engine switch is turned to ACCESSORY mode or turned o ff. They
cannot, however, be operated once either front door is opened.
■ Jam protection function
If an object becomes jammed between the window and the window f rame
while the window is closing, window movement is stopped and the window is
opened slightly.
■ Catch protection function
If an object becomes caught between the door and window while the window
is opening, window movement is stopped.

1643-5. Opening, closing the windows and moon roof
4RUNNER (U)■
When the window cannot be opened or closed
When the jam protection function or catch protection function o perates
unusually and the door window cannot be opened or closed, perfo rm the fol-
lowing operations with the power window switch of that door.
● Stop the vehicle. With the engine switch in the “ON” position
*1 or in IGNI-
TION ON mode
*2, within 4 seconds of the jam protection function or catch
protection function activating, continuously operate the power window
switch in the one-touch closing direction or one-touch opening direction so
that the door window can be opened and closed.
● If the door window cannot be opened and closed even when perfor ming the
above operations, perform the following procedure for function initialization.
Turn the engine switch to the “ON” position
*1 or to IGNITION ON
mode
*2.
Pull and hold the power window switch in the one-touch closing direction
and completely close the door window.
Release the power window switch for a moment, resume pulling the
switch in the one-touch closing direction, and hold it there for approxi-
mately 6 seconds or more.
Press and hold the power window switch in the one-touch opening direc-
tion. After the door window is completely opened, continue hold ing the
switch for an additional 1 second or more.
Release the power window switch for a moment, resume pushing th e
switch in the one-touch opening direction, and hold it there fo r approxi-
mately 4 seconds or more.
Pull and hold the power window switch in the one-touch closing direction
again. After the door window is completely closed, continue holding the
switch for a further 1 second or more.
If you release the switch while the window is moving, start aga in from the
beginning.
If the window reverses and cannot be fully closed or opened, have the vehicle
inspected by your Toyota dealer.
*1: Vehicles without a smart key system
*2: Vehicles with a smart key system
■ Door lock linked window operation
●The power windows can be opened and closed using the key or mechanical
key.
* ( P. 111, 507)
● The power windows can be opened using the wireless remote control.
*
(P. 110)
*: These settings must be customized at your Toyota dealer.
■ Customization
Settings (e.g. key linked operation) can be changed.
(Customizable features P. 545)
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