engine TOYOTA HIGHLANDER 2021 Owners Manual (in English)

4346-3. Do-it-yourself maintenance
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Use only Toyota wheel nuts
and wrenches designed for
use with your aluminum
wheels.
 When rotating, repairing or
changing your tires, check
that the wheel nuts are still
tight after driving 1000 miles
(1600 km).
 Be careful not to damage the
aluminum wheels when using
tire chains.
 Use only Toyota genuine bal-
ance weights or equivalent
and a plastic or rubber ham-
mer when balancing your
wheels. 1
Turn the engine switch off.
2 Open the glove box. Slide off
the damper.
3 Push in the glove box on the
vehicle’s outer side to discon-
nect the claws. Then pull out
the glove box and disconnect
the lower claws.
4 Unlock the filter cover ( ),
pull the filter cover out of the
NOTICE
●Ensure that only genuine Toyota
wheels are used on your vehi-
cle.
Tire pressure warning valves
and transmitters may not work
properly with non-genuine
wheels.
Aluminum wheel precau-
tions
Air conditioning filter
The air conditioning filter
must be changed regularly
to maintain air conditioning
efficiency.
Removing the air condi-
tioning filter

4386-3. Do-it-yourself maintenance
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1Turn the engine switch off.
2 Open the fuse box cover.
Engine compartment: type A
fuse box (if equipped)
Push the tab in and lift the lid off.
Engine compartment: type B
fuse box
Push the tab in and lift the lid off.
Under the driver’s side instru-
ment panel
Remove the lid.
Make sure to push the claw when
removing/installing the lid.
3Remove the fuse.
Only type A fuse can be removed
using the pullout tool.
4Check if the fuse is blown.
Replace the blown fuse with a new
fuse of an appropriate amperage
rating. The amperage rating can be
found on the fuse box lid.
Type A
Checking and replac-
ing fuses
If any of the electrical com-
ponents do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses

4476-3. Do-it-yourself maintenance
6
Maintenance and care
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3Remove the light bulb.
4 Install a new light bulb.
5 Install the lens.
Hooks
1 Fit the lens into either the right or left hooks.
2 Push the lens into place.
After installation, confirm that the
lens is properly installed by gently
pulling it.
6Install the cover.
WARNING
■To prevent injury
Before performin g any light bulb
replacement procedure, be sure
to turn the engine switch off. Fail-
ure to do so may result in burns
from hot components or a part of
your body may get caught on an
operating component, possibly
causing serious injury.
■Replacing light bulbs
●Turn off the lights. Do not
attempt to replace the bulb
immediately after turning off the
lights.The bulbs become very
hot and may cause burns.

449
7
7
When trouble arises
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When trouble arises
.7-1. Essential informationEmergency flashers .... 450
If your vehicle has to be stopped in an emergency.................................. 450
If the vehicle is trapped in rising water ................ 451
7-2. Steps to take in an emer- gency
If your vehicle needs to be towed......................... 453
If you think something is wrong ........................ 456
Fuel pump shut off system .................................. 457
If a warning light turns on or a warning buzzer sounds.................................. 458
If a warning message is dis- played........................ 468
If you have a flat tire.... 472
If the engine will not start .................................. 486
If you lose your keys ... 487
If the fuel filler door cannot be opened ................. 488
If the electronic key does not operate properly .. 489
If the vehicle battery is dis- charged ..................... 491
If your vehicle overheats .................................. 495If the vehicle becomes stuck
.................................. 497

4507-1. Essential information
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7-1.Essential information
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■Emergency flashers
●If the emergency flashers are
used for a long time while the
engine is not operating, the bat-
tery may discharge.
●If any of the SRS airbags deploy
(inflate) or in the event of a strong
rear impact, the emergency flash-
ers will turn on automatically.
The emergency flashers will turn
off automatically after operating
for approximately 20 minutes. To
manually turn t he emergency
flashers off, press the switch
twice.
(The emergency flashers may not
turn on automatically depending
on the force of the impact and
conditions of the collision.)
1 Steadily step on the brake
pedal with both feet and
firmly depress it.
Do not pump the brake pedal
repeatedly as this will increase the
effort required to slow the vehicle.
2Shift the shift lever to N.
If the shift lever is shifted to N
3 After slowing down, stop the
vehicle in a safe place by the
road.
4 Stop the engine.
If the shift lever cannot be
shifted to N
3 Keep depressing the brake
pedal with both feet to reduce
vehicle speed as much as
possible.
4 To stop the engine, press and
hold the engine switch for 2
consecutive seconds or
Emergency flashers
The emergency flashers are
used to warn other drivers
when the vehicle has to be
stopped on the road due to
a breakdown, etc.
Operating instructions
If your vehicle has to
be stopped in an emer-
gency
Only in an emergency, such
as if it becomes impossible
to stop the vehicle in the
normal way, stop the vehicle
using the following proce-
dure:
Stopping the vehicle

4517-1. Essential information
7
When trouble arises
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more, or press it briefly 3
times or more in succession.
5 Stop the vehicle in a safe
place by the road. 
Remove the seat belt first.
 If the door can be opened,
open the door and exit the
vehicle.
 If the door can not be opened,
open the window using the
power window switch and exit
the vehicle through the win-
dow.
 If the window can not be
opened using the power win-
dow switch, remain calm, wait
until the water level inside the
vehicle rises to the point that
the water pressure inside of
the vehicle equals the water
pressure outside of the vehi-
cle, and then open the door
and exit the vehicle.
WARNING
■If the engine has to be turned
off while driving
Power assist for the brakes and
steering wheel will be lost, making
the brake pedal harder to depress
and the steering wheel heavier to
turn. Decelerate as much as pos-
sible before turning off the engine.
If the vehicle is
trapped in rising water
In the event the vehicle is
submerged in water, remain
calm and perform the fol-
lowing.

4547-2. Steps to take in an emergency
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The following may indicate a
problem with your transmission.
Contact your Toyota dealer or
commercial towing service
before towing.
The engine is running but the
vehicle does not move.
 The vehicle makes an abnor-
mal sound.
WARNING
■While towing
●When towing using cables or
chains, avoid sudden starts, etc.
which place excessive stress on
the towing eyelets, cables or
chains. The towing eyelets,
cables or chains may become
damaged, broken debris may hit
people, and cause serious dam-
age.
●Do not turn the engine switch
off.
There is a possibility that the
steering wheel is locked and
cannot be operated.
NOTICE
■To prevent damage to the
vehicle when towing using a
wheel-lift type truck
●Do not tow the vehicle from the
rear when the engine switch is
off. The steering lock mecha-
nism is not strong enough to
hold the front wheels straight.
●When raising the vehicle,
ensure adequate ground clear-
ance for towing at the opposite
end of the raised vehicle. With-
out adequate clearance, the
vehicle could be damaged while
being towed.
■To prevent damage to the
vehicle when towing with a
sling-type truck
Do not tow with a sling-type truck,
either from the front or rear.
■To prevent damage to the
vehicle during emergency
towing
Do not secure cables or chains to
the suspension components.
■When towing a vehicle
equipped with a Stop & Start
system (if equipped)
If it is necessary to tow the vehicle
with all 4 wheels on the ground,
perform the following procedure
before towing the vehicle, in order
to protect the system.
Turn the engine switch off and
then start the engine or turn the
engine switch to ON.
■Recreational towing (behind
motor home, etc.)
Never dinghy tow your vehicle to
prevent causing serious damage
to the Dynamic Torque Control
AWD system (AWD models) or
Dynamic Torque Vectoring AWD
system (AWD models) and trans-
mission. ( P.201)
Situations when it is nec-
essary to contact dealers
before towing

4557-2. Steps to take in an emergency
7
When trouble arises
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From the front (2WD models)
Release the parking brake.
Turn automatic mode off. ( P.212)
From the front (AWD models)
Use a towing dolly under the
rear wheels.
From the rear
Use a towing dolly under the
front wheels. When using a flat-bed truck to
transport the vehicle, use tire
strapping belts. Refer to the
owner's manual of the flat-bed
truck for the tire strapping
method.
In order to suppress vehicle
movement during transporta-
tion, set the parking brake and
turn the engine switch off.
A driver must be in the vehicle to
steer and operate the brakes.
The vehicle’s wheels, drive train,
axles, steering and brakes must
Towing with a wheel-lift
type truckNOTICE
■Towing with a sling-type truck
Do not tow with a sling-type truck
to prevent body damage.
2WD models
AWD models
Using a flatbed truck
Emergency towing

4567-2. Steps to take in an emergency
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be in good condition.
Fluid leaks under the vehicle
(Water dripping from the air
conditioning after use is nor-
mal.)
 Flat-looking tires or uneven
tire wear
 Engine coolant temperature
gauge needle continually
points higher than normal
 Changes in exhaust sound
 Excessive tire squeal when
cornering
 Strange noises related to the
suspension system
 Pinging or other noises
related to the engine
 Engine missing, stumbling or
running roughly
 Appreciable loss of power
 Vehicle pulls heavily to one If you think something
is wrong
If you notice any of the fol-
lowing symptoms, your
vehicle probably needs
adjustment or repair. Con-
tact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4577-2. Steps to take in an emergency
7
When trouble arises
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side when braking
 Vehicle pulls heavily to one
side when driving on a level
road
 Loss of brake effectiveness,
spongy feeling, pedal almost
touches the floor
Follow the procedure below to
restart the engine after the sys-
tem is activated.
1Turn the engine switch to
ACC or turn it OFF.
2 Restart the engine.Fuel pump shut off
system
To minimize the risk of fuel
leakage when the engine
stalls or when an airbag
inflates upon collision, the
fuel pump shut off system
stops the supply of fuel to
the engine.
Restarting the engine
NOTICE
■Before starting the engine
Inspect the ground under the
vehicle.
If you find that fuel has leaked
onto the ground, the fuel system
has been damaged and is in need
of repair. Do not restart the
engine.