Content .. 31 32 33 34 ..

Toyota Tundra (2023 year). Manual in english - page 33

529

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

Remove any dirt or foreign
matter from the wheel con-
tact surface.

If foreign matter is on the wheel

contact surface, the wheel nuts

may loosen while the vehicle is in

motion, causing the tire to come off.

Install the spare tire and
loosely tighten each wheel
nut by hand by approximately
the same amount.

When replacing a steel wheel with
a steel wheel (including a compact
spare tire), tighten the wheel nuts
until the tapered portion

comes

into loose contact with the disc
wheel seat

When replacing an aluminum wheel
with a steel wheel (including a com-
pact spare tire), tighten the wheel
nuts until the tapered portion

comes into loose contact with the

disc wheel seat

Lower the vehicle.

Firmly tighten each wheel nut
two or three times in the
order shown in the illustra-
tion.
Tightening torque:
154 ft•lbf (209 N•m, 21.3
kgf•m)

Installing the spare tire

530

7-2. Steps to take in an emergency

Remove the center wheel
ornament by pushing from
the reverse side.

Lay down the tire with the
valve stem facing up and
install the holding bracket.
Turn the jack handle exten-
sion clockwise to take up
slack in the chain.

Check to ensure the holding
bracket is centered in the
wheel hub.

While raising, secure the tire,
taking care that the tire goes
straight up without catching
on any surrounding part, to
prevent it from flying forward
during a collision or sudden
braking.

Tightening torque:

34.7 ft•lbf (46.6 N•m, 4.8 kgf•m)

Confirm it is not loose after
tightening:

Push and pull the tire

Try rotating

Visually check to ensure tire is not
hung on surrounding 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.

■

The temporary spare tire

●

The temporary spare tire is identi-

fied by the “TEMPORARY USE

ONLY” marking on the disc wheel

and/or tire sidewall.

Use the temporary spare tire tem-

porarily, and only in an emer-

gency.

●

Make sure to check the tire infla-

tion pressure of the temporary

WARNING

■

Stowing the flat tire

Failure to follow steps listed under

stowing the tire may result in

damage to the spare tire carrier

and loss of the tire, which could

result in serious injury or death.

Stowing the flat tire, jack
and all tools

531

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

spare tire. (



P.553)

■

When using the temporary

spare tire

As the temporary spare tire is not

equipped with the tire pressure

warning valve and transmitter, low

inflation pressure of the spare tire

will not be indicated by the tire pres-

sure warning system. Also, if you

replace the temporary spare tire

after the tire pressure warning light

comes on, the light remains on.

■

If you have a flat rear tire on a

road covered with snow or ice

Install the temporary spare tire on

one of the front wheels of the vehi-

cle. Perform the following steps and

fit tire chains to the rear tires:

Replace a front tire with the tem-

porary spare tire.

Replace the flat rear tire with the

tire removed from the front of the

vehicle.

Fit tire chains to the rear tires.

WARNING

■

When using the temporary

spare tire

●

Remember that the temporary

spare tire provided is specifi-

cally designed for use with your

vehicle. Do not use your tempo-

rary spare tire on another vehi-

cle.

●

Do not use more than one tem-

porary spare tires simultane-

ously.

●

Replace the temporary spare

tire with a standard tire as soon

as possible.

●

Avoid sudden acceleration,

abrupt steering, sudden brak-

ing and shifting operations that

cause sudden engine braking.

■

When the spare tire is

attached

The vehicle speed may not be

correctly detected, and the follow-

ing systems may not operate cor-

rectly:

• ABS & Brake assist

• VSC

• TRAC

• AUTO LSD (if equipped)

• PCS (Pre-Collision System) (if

equipped)

• Automatic High Beam (if

equipped)

• LTA (Lane Tracing Assist) (if

equipped)

• Dynamic radar cruise control

with full-speed range (if

equipped)

• Cruise control (if equipped)

• EPS

• Trailer Sway Control

• Tire pressure warning system

• BSM (Blind Spot Monitor) (if

equipped)

• Panoramic view monitor (if

equipped)

• Multi-terrain Monitor (if

equipped)

• Toyota parking assist monitor (if

equipped)

• Intuitive parking assist (if

equipped)

• PKSB (Parking Support Brake)

(if equipped)

• Navigation system (if equipped)

532

7-2. Steps to take in an emergency

WARNING

Also, not only can the following

system not be utilized fully, but it

may even negatively affect the

drive-train components:
• 4WD system (if equipped)

■

Speed limit when using the

temporary spare tire

Do not drive at speeds in excess

of 50 mph (80 km/h) when a tem-

porary spare tire is installed on

the vehicle.
The temporary spare tire is not

designed for driving at high

speeds. Failure to observe this

precaution may lead to an acci-

dent causing death or serious

injury.

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.

■

Driving with tire chains and

the temporary spare tire

Do not fit tire chains to the tempo-

rary spare tire.

Tire chains may damage the vehi-

cle body and adversely affect driv-

ing performance.

■

When stowing the flat tire

Ensure that there is no object

caught 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 pressure warning valve and

transmitter may be damaged if not

handled correctly.

■

To avoid damage to the tire

pressure warning valves and

transmitters

When a tire is repaired with liquid

sealants, the tire pressure warn-

ing valve and transmitter may not

operate properly. If a liquid seal-

ant is used, contact your Toyota

dealer or other qualified service

shop as soon as possible. Make

sure to replace the tire pressure

warning valve and transmitter

when replacing the tire. (



P.481)

533

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

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 pro-
cedures. (



P.202)



There may be a malfunction
in the engine immobilizer sys-
tem. (



P.73)

One of the following may be the
cause of the problem:



The battery may be dis-
charged. (



P.537)



The battery terminal connec-
tions may be loose or cor-
roded. (



P.474)

The engine starting system may
be malfunctioning due to an
electrical problem such as elec-
tronic key battery depletion or a
blown fuse. However, an interim
measure is available to start the
engine. (



P.533)

One of the following may be the
cause of the problem:



The battery may be dis-
charged. (



P.537)



One or both of the battery ter-
minals may be disconnected.
(



P.474)

Contact your Toyota dealer if the
problem cannot be repaired, or 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
functioning normally.

If the engine will not

start

If the engine will not start
even though correct starting
procedures are being fol-
lowed (



P.202), consider

each of the following points:

The engine will not start
even though the starter
motor operates normally.

The starter motor turns
over slowly, the interior
lights and headlights are
dim, or the horn does not
sound or sounds at a low
volume.

The starter motor does
not turn over

The starter motor does
not turn over, the interior
lights and headlights do
not turn on, or the horn
does not sound.

Emergency start function

534

7-2. Steps to take in an emergency

Do not use this starting proce-
dure except in case of emer-
gency.

Pull the parking brake switch
to check that the parking
brake is set. (

→

P.211)

Check that the shift lever is in
P.

Turn the engine switch to
ACC.

Press and hold the engine
switch for about 15 seconds
while depressing the brake
pedal firmly.

Even if the engine can be started
using the above steps, the system
may be malfunctioning. Have the
vehicle inspected by your Toyota
dealer.

If you lose your keys

New genuine keys can be
made by your Toyota dealer
using other key and the key
number stamped on your
key number plate.

Keep the plate in a safe
place such as your wallet,
not in the vehicle.

NOTICE

■

When an electronic key is lost

If the electronic key remains lost,

the risk of vehicle theft increases

significantly. Visit your Toyota

dealer immediately with all

remaining electronic keys that

were provided with your vehicle.

535

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

■

When the electronic key does

not work properly

●

Make sure that the smart key sys-

tem has not been deactivated in

the customization setting. If it is

off, turn the function on.

(Customizable features:



P.567)

●

Check if battery-saving mode is

set. If it is set, cancel the function.

(



P.127)

Use the mechanical key
(



P.110) in order to perform the

following operations:

Locks all the doors

Unlocks all the doors

Turning the key unlocks the driver’s
door. Turning the key again unlocks
the other doors.

■

Key linked functions

Closes the windows and the
moon roof

or the panoramic

moon roof

. (turn and hold)

Opens the windows and the
moon roof

or the panoramic

moon roof

. (turn and hold)

These settings must be customized

at your Toyota dealer.

: If equipped

If the electronic key

does not operate prop-

erly

If communication between
the electronic key and vehi-
cle is interrupted (



P.128)

or the electronic key cannot
be used because the battery
is depleted, the smart key
system and wireless remote
control cannot be used. In
such cases, the doors can
be opened and the engine
can be started by following
the procedure below.

NOTICE

■

In case of a smart key system

malfunction or other key-

related problems

Take your vehicle with all the elec-

tronic keys provided with your

vehicle to your Toyota dealer.

Locking and unlocking
the doors

536

7-2. Steps to take in an emergency

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 ON.
When the smart key system is

deactivated in customization set-

ting, the engine switch will turn to

ACC.

Firmly depress the brake
pedal and check that

shown on the multi-informa-
tion 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, set the park-

ing brake, shift the shift lever to P

and press the engine switch as you

normally do when stopping the

engine.

■

Electronic key battery

As the above procedure is a tempo-

rary measure, it is recommended

that the electronic key battery be

replaced immediately when the bat-

tery is depleted. (



P.492)

■

Alarm

Using the mechanical key to lock

the doors will not set the alarm sys-

tem. If a door is unlocked using the

mechanical key when the alarm sys-

tem is set, the alarm may be trig-

gered. (



P.74)

■

Changing engine switch modes

Release the brake pedal and press

the engine switch in step

above.

The engine does not start and

modes will be changed each time

the switch is pressed. (



P.204)

WARNING

■

When using the mechanical

key and operating the power

windows and the moon roof

(if equipped) or the pan-

oramic moon roof (if

equipped)

Operate the power window or the

moon roof or the panoramic moon

roof after checking to make sure

that there is no possibility of any

passenger having any of their

body parts caught in the window

or the moon roof or the panoramic

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 or the moon roof or

the panoramic moon roof.

Starting the engine

537

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

If you have a set of jumper (or
booster) cables and a second
vehicle with a battery, you can
jump start your vehicle by fol-
lowing 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.75)

Open the hood. (



P.468)

Open the positive (+) battery
terminal cover.

Remove the engine cover.

Lift the edge of the cover to disen-

gage the fixed pins, and then pull

the cover towards you to remove it.

Connect a positive jumper cable clamp to   on your vehicle and
connect the clamp on the other end of the positive cable to   on
the second vehicle. Then, connect a negative cable clamp to

If the vehicle battery

is discharged

The following procedures
may be used to start the
engine if the vehicle’s bat-
tery is discharged.
You can also call your Toy-
ota dealer or a qualified
repair shop.

Restarting the engine

538

7-2. Steps to take in an emergency

on the second vehicle and connect the clamp at the other end of
the negative cable to .

Positive (+) battery terminal (your vehicle)

Positive (+) battery terminal (second vehicle)

Negative (-) battery terminal (second vehicle)

Solid, stationary, unpainted metallic point away from the battery
and any moving parts as shown in the illustration

Start the engine of the sec-
ond vehicle. Increase the
engine speed slightly and
maintain at that level for
approximately 5 minutes to
recharge the battery of your
vehicle.

Open and close any of the
doors of your vehicle with the
engine switch OFF.

Maintain the engine speed of
the second vehicle and start
the engine of your vehicle by
turning the engine switch to
ON.

Once the vehicle’s engine
has started, remove the

jumper cables in the exact
reverse order from which
they were connected.

When the engine cover

installing, reverse the step
removed.

Once the engine starts, have the
vehicle inspected at your Toyota
dealer as soon as possible.

■

Starting the engine when the

battery is discharged

The engine cannot be started by

push-starting.

■

To prevent battery discharge

●

Turn off the headlights and the

audio system while the engine is

off.

539

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

●

Turn off any unnecessary electri-

cal components when the vehicle

is running at a low speed for an

extended period, such as in heavy

traffic.

■

When the battery is removed or

discharged

●

Information stored in the ECU is

cleared. When the battery is

depleted, have the vehicle

inspected at your Toyota dealer.

●

Some systems may require initial-

ization. (



P.578)

■

When removing the battery ter-

minals

When the battery terminals are

removed, the information stored in

the ECU is cleared. Before remov-

ing the battery terminals, contact

your Toyota dealer.

■

Charging the battery

The electricity stored in the battery

will discharge gradually even when

the vehicle is not in use, due to nat-

ural discharge and the draining

effects of certain electrical appli-

ances. If the vehicle is left for a long

time, the battery may discharge,

and the engine may be unable to

start. (The battery recharges auto-

matically during driving.)

■

When recharging or replacing

the battery

●

In some cases, it may not be pos-

sible to unlock the doors using the

smart key system when the bat-

tery is discharged. Use the wire-

less remote control or the

mechanical key to lock or unlock

the doors.

●

The engine may not start on the

first attempt after the battery has

recharged but will start normally

after the second attempt. This is

not a malfunction.

●

The engine switch mode is memo-

rized by the vehicle. When the

battery is reconnected, the system

will return to the mode it was in

before the battery was dis-

charged. Before disconnecting the

battery, turn the engine switch off.

If you are unsure what mode the

engine switch was in before the

battery discharged, be especially

careful when reconnecting the

battery.

●

The Stop & Start system may not

automatically stop the engine for

up to an hour.

■

When replacing the battery

●

Use a genuine battery specifically

designed for use with the Stop &

Start system or a battery with

equivalent specifications to a gen-

uine battery. If an unsupported

battery is used, Stop & Start sys-

tem functions may be restricted to

protect the battery. Also, battery

performance may decrease and

the engine may not be able to

restart. Contact your Toyota

dealer for details.

●

Use a battery that conforms to

European regulations.

●

Use a battery with the same case

size as the previous battery and

an equivalent 20 hour rate capac-

ity (20HR) or greater.

• If the sizes differ, the battery can-

not be properly secured.

• If the 20 hour rate capacity is low,

even if the time period where the

vehicle is not used is a short time,

the battery may discharge and the

engine may not be able to start.

For details, consult your Toyota

dealer.

540

7-2. Steps to take in an emergency

WARNING

■

When removing the battery

terminals

Always remove the negative (-)

terminal first. If the positive (+) ter-

minal contacts any metal in the

surrounding area when the posi-

tive (+) terminal is removed, a

spark may occur, leading to a fire

in addition to electrical shocks

and death or serious injury.

■

Avoiding battery fires or

explosions

Observe the following precautions

to prevent accidentally igniting the

flammable gas that may be emit-

ted from the battery:

●

Make sure each jumper cable is

connected to the correct termi-

nal and that it is not unintention-

ally in contact with any other

than the intended terminal.

●

Do not allow the other end of

the jumper cable connected to

the “+” terminal to come into

contact with any other parts or

metal surfaces in the area, such

as brackets or unpainted metal.

●

Do not allow the + and - clamps

of the jumper cables to come

into contact with each other.

●

Do not smoke, use matches,

cigarette lighters or allow open

flame near the battery.

■

Battery precautions

The battery contains poisonous

and corrosive acidic electrolyte,

while related parts contain lead

and lead compounds. Observe

the following precautions when

handling the battery:

●

When working with the battery,

always wear safety glasses and

take care not to allow any bat-

tery fluids (acid) to come into

contact with skin, clothing or the

vehicle body.

●

Do not lean over the battery.

●

In the event that battery fluid

comes into contact with the skin

or eyes, immediately wash the

affected area with water and

seek medical attention. Place a

wet sponge or cloth over the

affected area until medical

attention can be received.

●

Always wash your hands after

handling the battery support,

terminals, and other battery-

related parts.

●

Do not allow children near the

battery.

■

When replacing the battery

●

When the vent plug and indica-

tor are close to the hold down

clamp, the battery fluid (sulfuric

acid) may leak.

●

For information regarding bat-

tery replacement, contact your

Toyota dealer.

NOTICE

■

When handling jumper cables

When connecting the jumper

cables, ensure that they do not

become entangled in the cooling

fan.

541

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

Stop the vehicle in a safe
place and turn off the air con-
ditioning system, and then
stop the engine.

If you see steam:
Carefully lift the hood after
the steam subsides.
If you do not see steam:
Carefully lift the hood.

After the engine has cooled
down sufficiently, inspect the
hoses, engine radiator core
(radiator) and intercooler
radiator core (radiator) for
any leaks.

If a large amount of coolant leaks,

immediately contact your Toyota

dealer.

Cooling fan

Radiator

Intercooler radiators

The coolant level is satisfac-
tory if it is between the “F”
and “L” lines on the reservoir.



Engine

Reservoir

If your vehicle overheats

The following may indicate that your vehicle is overheating.



The needle of the engine coolant temperature gauge (



P.85,

89) enters the red zone or a loss of engine power is experi-
enced. (For example, the vehicle speed does not increase.)



“Engine Coolant Temp High Stop in a Safe Place See Owner’s
Manual” is shown on the multi-information display.



Steam comes out from under the hood.

Correction procedures

542

7-2. Steps to take in an emergency

“F” line

“L” line



Intercooler radiator

Reservoir

“F” line

“L” line

Add coolant if necessary.

Water can be used in an emer-

gency if coolant is unavailable.



Engine



Intercooler radiator

Start the engine to check that
the radiator cooling fan oper-
ates and to check for coolant
leaks from the radiator or
hoses.

If the fan is not operating:
Stop the engine immediately
and contact your Toyota
dealer.
If the fan is operating:
Have the vehicle inspected at
the nearest Toyota dealer.

Check if “Engine Coolant
Temp High Stop in a Safe
Place See Owner’s Manual”
is shown on the multi-infor-
mation display.

If the message does not disappear:

Stop the engine and contact your

Toyota dealer.
If the message is not displayed:

Have the vehicle inspected at the

nearest Toyota dealer.

WARNING

■

When inspecting under the

hood of your vehicle

Observe the following precau-

tions.

Failure to do so may result in seri-

ous injury such as burns.

●

If steam is seen coming from

under the hood, do not open the

hood until the steam has sub-

sided. The engine compart-

ment may be very hot.

●

Keep hands and clothing (espe-

cially a tie, a scarf or a muffler)

away from the fan and belts.

Failure to do so may cause the

hands or clothing to be caught,

resulting in serious injury.

543

7-2. Steps to take in an emergency

Whe

n tr

ouble

rises

Stop the engine. Set the
parking brake and shift the
shift lever to P.

Remove the mud, snow or
sand from around the rear
wheels.

Place wood, stones or some
other material under the rear
wheels to help provide trac-
tion.

Restart the engine.

Shift the shift lever to D or R
and release the parking
brake. Then, while exercising
caution, depress the acceler-
ator pedal.

■

When it is difficult to free the

vehicle

Try the followings.

●

Turn off the TRAC

(



P.391)

●

Using the rear differential lock

(



P.380)

●

Switching the front-wheel drive
control switch

(



P.377)

●

Using Crawl Control

(



P.381)

●

Using Multi-terrain Select

WARNING

●

Do not loosen the coolant reser-

voir caps, while the engine and

radiator are hot.

High temperature steam or

coolant could spray out.

NOTICE

■

When adding engine coolant

Add coolant slowly after the

engine has cooled down suffi-

ciently. Adding cool coolant to a

hot engine too quickly can cause

damage to the engine.

■

To prevent damage to the

cooling system

Observe the following precau-

tions:

●

Avoid contaminating the coolant

with foreign matter (such as

sand or dust, etc.).

●

Do not use any coolant additive.

If the vehicle becomes

stuck

Carry out the following pro-
cedures if the tires spin or
the vehicle becomes stuck
in mud, dirt or snow:

Recovering procedure

544

7-2. Steps to take in an emergency

(



P.385)

: If equipped

WARNING

■

When attempting to free a

stuck vehicle

If you choose to push the vehicle

back and forth to free it, make

sure the surrounding area is clear

to avoid striking other vehicles,

objects or people. The vehicle

may also lunge forward or lunge

back suddenly as it becomes free.

Use extreme caution.

■

When shifting the shift lever

Be careful not to shift the shift

lever with the accelerator pedal

depressed.

This may lead to unexpected

rapid acceleration of the vehicle

that may cause an accident

resulting in death or serious injury.

NOTICE

■

To avoid damaging the trans-

mission and other compo-

nents

●

Avoid spinning the rear wheels

and depressing the accelerator

pedal more than necessary.

●

If the vehicle remains stuck

even after these procedures are

performed, the vehicle may

require towing to be freed.

Content .. 31 32 33 34 ..