check engine TOYOTA HIGHLANDER 2023 User Guide

852-1. Instrument cluster
2
Vehicle status information and indicators
Take your vehicle to your Toyota
dealer.
■Liquid crystal display
Small spots or light spots may
appear on the display. This phenom-
enon is characteristi c of liquid crys-
tal displays, and there is no problem
continuing to use the display.
■Free/Open Source Software
Information
This product contains Free/Open
Source Software (FOSS). The
license information and/or the
source code of such FOSS can be
found at the following URL.
https://www.denso.com/global/en/
opensource/meter/toyota/
■Customization
The gauges and meters can be cus-
tomized in of the multi-informa-
tion display. ( P.494)
■Changing the display
Each time the “ODO TRIP”
switch is pressed, the displayed
item will be changed. When the
trip meter is displayed, pressing
and holding the switch will reset
the trip meter.
■Display items
 Odometer
Displays the total distance the vehi-
cle has been driven.
 Trip meter A/Trip meter B
Displays the distance the vehicle
WARNING
■The information display at
low temperatures
Allow the interior of the vehicle to
warm up before u sing the liquid
crystal informat ion display. At
extremely low temperatures, the
information display monitor may
respond slowly, and display
changes may be delayed.
For example, there is a lag
between the driver’s shifting and
the new gear number appearing
on the display. This lag could
cause the driver to downshift
again, causing rapid and exces-
sive engine braking and possibly
an accident resulting in death or
injury.
NOTICE
■To prevent damage to the
engine and its components
●Do not let the indicator needle
of the tachometer enter the red
zone, which indicates the maxi-
mum engine speed.
●The engine may be overheating
if the engine coolant tempera-
ture gauge is in the red zone
(H). In this case, immediately
stop the vehicle in a safe place,
and check the engine after it
has cooled completely.
(  P.469)
Odometer and trip meter
display

1042-1. Instrument cluster
Message display area (P.107)
The following pop-up displays will be displayed in certain situ ations:
• Warning/message
• Hands-free system status
• Audio system operation status
■Head-up display will operate
when
The engine switch is in ON.
■When using the head-up dis-
play
The head-up display may seem
dark or hard to see when viewed
through sunglasses, especially
polarized sunglasses. Adjust the
brightness of the head-up display or
remove your sunglasses.
■Outside temperature display
If the outside temperature becomes
approximately 37°F (3°C) or lower,
the low outside temperature indica-
tor will flash for 10 seconds then the
low outside temperature indicator
and outside temperature display will
turn off. The low outside tempera-
ture indicator will operate again if
the outside temperature becomes
approximately 41°F (5°C) or more
and then decreases to 37°F (3°C) or
lower.
■Changing settings of the
head-up display
Select on the multi-informa-
WARNING
■Before using the head-up dis-
play
●Check that the position and
brightness of the head-up dis-
play image does not interfere
with safe driving. Incorrect
adjustment of the image’s posi-
tion or brightness may obstruct
the driver’s view and lead to an
accident, resulting in death or
serious injury.
●Do not continuously look at the
head-up display while driving as
you may fail to see pedestrians,
objects on the road, etc. ahead
of the vehicle.
NOTICE
■To prevent damage to compo-
nents
●Do not place any drinks near
the head-up display projector. If
the projector gets wet, electrical
malfunctions may result.
●Do not place any thing on or put
stickers onto the head-up dis-
play projector. Doing so could
interrupt head-up display indica-
tions.
●Do not touch the inside of the
head-up display projector or
thrust sharp edges or the like
into the projector. Doing so
could cause mechanical mal-
functions.
Using the head-up display

1153-2. Opening, closing and locking the doors
3
Before driving
3-2.Opening, closing and locking the doors
■Smart key system
Carry the electronic key to
enable this function.
1 Grip the driver’s door handle
to unlock the door. Holding
the driver’s door handle for
approximately 2 seconds
unlocks all the doors. Grip
the front passenger’s door
handle to unlock all the
doors.
*
Make sure to touch the sensor on
the back of the handle.
The doors cannot be unlocked for 3
seconds after the doors are locked.
*: The door unlock settings can be
changed. ( P.115, 494)
2 Touch the lock sensor (the
indentation on the upper part of the front door handle) to
lock all the doors.
Check that the d
oor is securely
locked.
■Wireless remote control
1 Locks all the doors
Check that the d oor is securely
locked.
2 Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the button
again within 5 seconds unlocks the
other doors.
Press and hold to open the win-
dows
*1 and moon roof*1, 2
*1
: This setting must be customized at your Toyota dealer.
*2: If equipped
■Switching the door unlock func-
tion
It is possible to set which doors the
entry function unlocks using the
wireless remote control.
1 Turn the engine switch off.
2 When the indicator light on the
key surface is not on, press and
hold , or for
approximately 5 seconds while
pressing and holding .
The setting changes each time an
operation is per formed, as shown
below. (When changing the setting
Side doors
The vehicle can be locked
and unlocked using the
entry function, wireless
remote control or door lock
switches.
Unlocking and locking the
doors from the outside

1173-2. Opening, closing and locking the doors
3
Before driving
■Conditions affecting the opera-
tion of the smart key system or
wireless remote control
 P. 1 3 3
■If the smart key system or the
wireless remote control does
not operate properly
Use the mechanical key to lock and
unlock the doors. ( P.463)
Replace the key battery with a new
one if it is depleted. ( P.410)
■If the battery is discharged
The doors cannot be locked and
unlocked using the smart key sys-
tem or wireless remote control. Lock
or unlock the doors using the
mechanical key. ( P.463)
■Rear seat reminder function
In order to remind you not to forget
luggage, etc. in the rear seat, when
the engine switch is turned off after
any of the following conditions are
met, a buzzer will sound and a mes-
sage will be displayed on the
multi-information di splay for approx-
imately 6 seconds.
●The engine is started within 10
minutes after opening and closing
a rear door.
●A rear door has been opened and
closed after the engine was
started.
However, if a rear door is opened
and then closed within approxi-
mately 2 seconds , the rear seat
reminder function may not operate.
The rear seat rem inder function
determines that luggage, etc. has
been placed in a rear seat based on
opening and closing of a rear door.
Therefore, depending on the situa-
tion, the rear seat reminder function
may not operate and you may still
forget luggage, etc. in the rear seat,
or it may operate unnecessarily.
The rear seat reminder function can
be enabled/disabled. ( P.494)
■Customization
Some functions can be customized.
(  P.494)
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 falling
out, resulting in death or serious
injury.
●Ensure that all doors are prop-
erly 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 but-
tons are in locked position.
●Set the rear door child-protector
locks when children are seated
in the rear seats.
■When opening or closing a
door
Check the surroundings of the
vehicle such as wh ether the vehi-
cle is on an incline, whether there
is enough space for a door to
open and whether a strong wind
is blowing. When opening or clos-
ing the door, hold the door handle
tightly to prepare for any unpre-
dictable movement.

1283-2. Opening, closing and locking the doors
WARNING
●If the power back door system is
disabled while the power back
door is operating, the back door
will stop operating. The back
door must then be operated
manually. Take extra care in this
situation, as the back door may
open or close suddenly.
●If the operating conditions of the
power back door (
P.125) are
no longer met, a buzzer may
sound and the back door may
stop opening or closing. The
back door must then be oper-
ated manually. Take extra care
on an incline in this situation, as
the back door may move sud-
denly.
●On an incline, t he back door
may suddenly shut after it
opens. Make sure the back door
is fully open and secure.
●In the following situations, the
power back door may detect an
abnormality and automatic
operation may be stopped. In
this case, the back door must
then be operated manually.
Take extra care in this situation,
as the stopped back door may
suddenly open or close, causing
an accident.
• When the back door contacts an obstacle
• When the battery voltage sud- denly drops, such as when the
engine switch is turned to ON or
the engine is started during
automatic operation
●If a heavy objec t is attached to
the back door, the back door
may not operate, causing a mal-
function, or the back door may
suddenly shut again after being
opened, causing someone’s
hands, arms, head or neck to be
caught and injured. Do not
attach any acce ssories other
than genuine Toyota parts to the
back door.
■Jam protection function
Observe the following precau-
tions. Failure to do so may cause
death or serious injury.
●Never use any part of your body
to intentionally activate the jam
protection function.
●The jam protection function may
not work if something gets
caught just before the back door
fully closes. Be careful not to
get fingers caught or anything
else.
●The jam protection function may
not work depending on the
shape of the object that is
caught. Be careful not to catch
fingers or anything else.
■Hands Free Power Back Door
(if equipped)
Observe the following precautions
when operating the Hands Free
Power Back Door. Failure to do so
may cause death or serious injury.
●Check the safety of the sur-
rounding area to make sure
there are no obs tacles or any-
thing that could cause any of
your belongings to get caught.
●Exhaust gasses cause the
exhaust pipes to become quite
hot. When operating the Hands
Free Power Back Door, be care-
ful not to touch the exhaust
pipe.

1343-2. Opening, closing and locking the doors
side the cabin and the door will
become lockable from the outside,
possibly trapping the electronic
key inside the vehicle.
●As long as the electronic key is
within the effective range, the
doors may be locked or unlocked
by anyone. However, only the
doors detecting the electronic key
can be used to unlock the vehicle.
●Even if the electronic key is not
inside the vehicle, it may be possi-
ble to start the engine if the elec-
tronic key is near the window.
●The doors may unlock or lock if a
large amount of water splashes on
the door handle, such as in the
rain or in a car wash when the
electronic key is w ithin the effec-
tive range. (The doors will auto-
matically be locked after
approximately 60 seconds if the
doors are not opened and closed.)
●If the wireless remote control is
used to lock the doors when the
electronic key is near the vehicle,
there is a possib ility that the door
may not be unlocke d by the entry
function. (Use the wireless remote
control to unloc k the doors.)
●Touching the door lock or unlock
sensor while wearing gloves may
prevent lock or unlock operation.
●When the lock op eration is per-
formed using the lock sensor, rec-
ognition signals will be shown up
to two consecutive times. After
this, no recogniti on signals will be
given.
●If the door handle becomes wet
while the electronic key is within
the effective ran ge, the door may
lock and unlock repeatedly. In that
case, follow the fo llowing correc-
tion procedures to wash the vehi-
cle:
• Place the electronic key in a loca- tion 6 ft. (2 m) or more away from
the vehicle. (Take care to ensure
that the key is not stolen.)
• Set the electronic key to bat- tery-saving mode to disable the
smart key system. (
P.133)
●If the electronic key is inside the
vehicle and a door handle
becomes wet during a car wash, a
message may be shown on the
multi-information display and a
buzzer will sound outside the vehi-
cle. To turn off the alarm, lock all
the doors.
●The lock sensor may not work
properly if it comes into contact
with ice, snow, m ud, etc. Clean
the lock sensor and attempt to
operate it again, or use the lock
sensor on the lower part of the
door handle.
●A sudden handle operation or a
handle operation immediately
after entering the effective range
may prevent the doors from being
unlocked. Touch the door unlock
sensor and check that the doors
are unlocked befo re pulling the
door handle again.
●If there is another electronic key in
the detection area, it may 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 key within
6 ft. (2 m) of the vehicle.
●The smart key system can be
deactivated in advance. ( P.494)
●Setting the electronic key to bat-
tery-saving mode helps to reduce
key battery depletion. ( P.133)
■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 out side of the vehi-
cle.
Depending on the position and hold-
ing condition of the electronic key,
the key may not be detected cor-

1423-3. Adjusting the seats
From outside
Pull the straps and raise the seat-
backs until they lock.
After using either strap, use the vel-
cro on the strap to attach it to the
seatback.
2 Returning the outer head
restraints.
Remove the secure d seat belts
from the seat belt hangers before
using them.
*: If equipped
1 Check that the shift lever is in
P.
2 Turn the engine switch to
ON.
3 Adjust the driver’s seat, out-
side rear view mirrors and
head-up display (if equipped)
to the desired positions.
4 While pressing the “SET” but-
ton, or within 3 seconds after
the “SET” button is pressed,
press button “1” or “2” until
the buzzer sounds.
If the selected button has already
been preset, the previously
recorded positio n will be overwrit-
Driving position mem-
or y*
This feature automatically
adjusts the driver’s seat,
outside rear view mirrors
and head-up display (if
equipped) to suit your pref-
erences.
Two different driving posi-
tions can be recorded into
memory.
Each electronic key can be
registered to recall your pre-
ferred driving position.
Recording a driving posi-
tion into memory

1433-3. Adjusting the seats
3
Before driving
ten.
■Seat positions that can be
memorized
The adjusted positions other than
the position adjusted by lumbar sup-
port switch can be recorded.
■In order to correctly use the
driving position memory func-
tion
If a seat position is already in the
furthest possible position and the
seat is operated in the same direc-
tion, the recorded position may be
slightly different w hen it is recalled.
1Check that the shift lever is in
P.
2 Turn the engine switch to
ON.
3 Press one of the buttons for
the driving position you want to recall until the buzzer
sounds.
■To stop the position recall oper-
ation part-way through
Perform any of the following opera-
tions:
●Press the “SET” button.
●Press button “1” or “2”.
●Operate any of t he seat adjust-
ment switches (only cancels seat
position recall).
■Operating the driving position
memory 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.
■When the recorded seat posi-
tion cannot be recalled
The seat position may not be
recalled in some situations when the
seat position is recorded in a certain
range. For details, contact your Toy-
ota dealer.
■Registering procedure
Record your driving position to
WARNING
■Seat adjustment caution
Take care during seat adjustment
so that the seat d oes not strike
the rear passenger or squeeze
your body again st the steering
wheel.
Recalling a driving posi-
tion
Registering/cancel-
ing/recall a driving posi-
tion to an electronic key
(memory recall function)

1443-3. Adjusting the seats
button “1” or “2” before perform-
ing the following:
Carry only the key you want to
register, and then close the
driver’s door.
If 2 or more keys are in the vehicle,
the driving position cannot be
recorded properly.
1Check that the shift lever is in
P.
2 Turn the engine switch to
ON.
3 Recall the driving position
that you want to record.
4 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 continu-
ously for approximately 3 seconds.
■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 cannot be can-
celed properly.
1 Turn the engine switch to
ON.
2 While pressing the “SET” but-
ton, 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 c ontinuously for
approximately 3 seconds.
■Recall procedure
Make sure that the doors are
locked before recalling the driv-
ing position. Carry the electronic
key that has been registered to
the driving position, and then
unlock and open the driver’s
door using the smart key system
or wireless 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 and outside rear view mirrors
will not move.
■Recalling the driving position
using the memory recall func-
tion
●Different driving p ositions can be
registered for each electronic key.
Therefore, the driving position that
is recalled may be different
depending on the key being car-
ried.
●If a door other than the driver’s
door is unlocked with the smart
key system, the driving position
cannot be recalled. In this case,
press the driving position button
which has been set.
■Customization
Some functions can be customized.

1633-5. Opening, closing the windows and moon roof
3
Before driving
pushing the switch in the
one-touch opening direction, and
hold it there for approximately 4
seconds or more.
6 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 again from
the beginning.
If the window reverses and cannot
be fully closed or opened, have the
vehicle inspected by your Toyota
dealer.
■Door lock linked window opera-
tion
●The power windows can be
opened and closed using the
mechanical key.
* (  P.463)
●The power windows can be
opened using the wireless remote
control.
* ( P. 1 1 5 )*: These settings must be custom-
ized at your Toyota dealer.
■Power windows open warning
buzzer
A buzzer sounds and a message is
shown on the multi -information dis-
play when the engine switch is
turned off and the driver’s door is
opened with the power windows
open.
■Customization
Some functions can be customized.
(  P.494)
WARNING
Observe the following precau-
tions.
Failing to do so may result in
death or serious injury.
■Closing the windows
●The driver is responsible for all
the power window operations,
including the operation for the
passengers. In order to prevent
accidental operation, especially
by a child, do not let a child
operate the power windows. It is
possible for children and other
passengers to have body parts
caught in the power window.
Also, when ridin g with a child, it
is recommended to use the win-
dow lock switch. (
P.164)
●Check to make sure that all pas-
sengers do not have any part of
their body in a pos ition where it
could be caught when a window
is being operated.
●When using the wireless remote
control or mechanical key and
operating the power windows,
operate the power window after
checking to make sure that
there is no possibility of any
passenger having any of their
body parts caug ht in the win-
dow. Also do not let a child
operate window by the wireless
remote control or mechanical
key. It is possib le for children
and other passengers to get
caught in the power window.
●When exiting the vehicle, turn
the engine switch off, carry the
key and exit the vehicle along
with the child. There may be
accidental operation, due to
mischief, etc., that may possibly
lead to an accident.