2023 TOYOTA TUNDRA HYBRID spare wheel

2334-5. Using the driving support systems
Owners Manual_USA_M0C052_en
4
Driving
WARNING
●Emergency steering assist may
not operate or may be cancel in
the following cases as the sys-
tem may determine the driver is
taking actions.
• If the accelerato r pedal is being
depressed strongly, the steering
wheel is being operated sharply,
the brake pedal is being
depressed or the turn signal
lever is being ope rated. In this
case, the system may deter-
mine that the driver is taking
evasive action and the emer-
gency steering assist may not
operate.
• The emergency steering assist will be disabled automatically
when the system judges that a
trailer is connected.
• In some situations, while the emergency steering assist is
operating, operation of the func-
tion may be canceled if the
accelerator peda l is depressed
strongly, the st eering wheel is
operated sharply or the brake
pedal is being depressed and
the system determines that the
driver is taking evasive action.
• When the emergency steering assist is operating, if the steer-
ing wheel is held firmly or is
operated in the opposite direc-
tion to that which the system is
generating torque, the function
may be canceled.
■When to disable the pre-colli-
sion system
In the following situations, disable
the system, as it may not operate
properly, possibly leading to an
accident resulting in death or seri-
ous injury:
●When the vehicle is being towed
●When your vehicles is towing a
trailer or another vehicle, except
when the followin g conditions
are all met
• When the other vehicle is a trailer properly attached and
connected to Toyota’s official
TBC ECU. ( P.181)
• When the vehicle is not being driven on a slippery surface
such as an icy road or a very
wet road.
●When transporting the vehicle
via truck, boat, train or similar
means of transportation
●When the vehicle is raised on a
lift with the hybrid system on
and the tires are allowed to
rotate freely
●When inspecting the vehicle
using a drum tester such as a
chassis dynamometer or speed-
ometer tester, or when using an
on vehicle wheel balancer
●When a strong impact is applied
to the front bumper or front
grille, due to an accident or
other reasons
●If the vehicle cannot be driven in
a stable manner, such as when
the vehicle has been in an acci-
dent or is malfunctioning
●When the vehicle is driven in a
sporty manner or off-road
●When the tires are not properly
inflated
●When the tires are very worn
●When tires of a size other than
specified are installed
●When tire chains are installed
●When a compact spare tire or
an emergency tire puncture
repair kit is used

5097-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
7
When trouble arises
Turn the power switch off then turn it
to ON. Check if the tire pressure
warning light comes on or blinks.
If the tire pressure warning light
blinks for approximately 1 minute
then stays on
There may be a malfunction in the
tire pressure warning system. Have
the vehicle inspected by your Toyota
dealer immediately.
If the tire pressure warning light
comes on
1 After the temperature of the tires
has lowered sufficiently, check
the inflation pressure of each tire
and adjust them to the specified
level.
2 If the warning light does not turn
off even after several minutes
have elapsed, check that the
inflation pressure of each tire is
at the specified level and perform
initialization. ( P.471)
■The tire pressure warning light
may come on due to natural
causes
The tire pressure warning light may
come on due to natural causes such
as natural air leaks and tire inflation
pressure changes caused by tem-
perature. In this case, adjusting the
tire inflation pressure will turn off the
warning light (after a few minutes).
■When a tire is replaced with a
spare tire
The temporary spare tire is not
equipped with the tire pressure
warning valve and transmitter. If a
tire goes flat, the tire pressure warn-
ing light will not turn off even though
the flat tire is replaced with the tem-
porary spare tire.
Replace the temporary spare tire
with the repaired tire and adjust the
proper tire inflation pressure. The
tire pressure warning light will turn
off after several minutes.
■Conditions that the tire pres-
sure warning system may not
function properly
 P.469
WARNING
■If both the ABS and the brake
system warning lights remain
on
Stop your vehicle in a safe place
immediately and contact your Toy-
ota dealer.
The vehicle will become
extremely unstable during brak-
ing, and the ABS system may fail,
which could cause an accident
resulting in death o r serious injury.
■When the electric power
steering system warning light
comes on
When the light comes on yellow,
the assist to the power steering is
restricted. When the light comes
on red, the assis t to the power
steering is lost and handling oper-
ations of the steering wheel
become extremely heavy.
When steering wheel operations
are heavier than usual, grip the
steering wheel firmly and operate
it using more fo rce than usual.
■If the tire pressure warning
light comes on
Be sure to observe the following
precautions.
Failure to do so could cause a
loss of vehicle control and result
in death or serious injury.
●Stop your vehicle in a safe place
as soon as possible.
Adjust the tire inflation pressure
immediately.

5107-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
WARNING
●If the tire pressure warning light
comes on even after tire infla-
tion pressure adjustment, it is
probable that you have a flat
tire. Check the tires. If a tire is
flat, change it with the spare tire
and have the flat tire repaired by
the nearest Toy ota dealer.
●Avoid abrupt maneuvering and
braking.
If the vehicle tires deteriorate,
you could lose control of the
steering wheel or the brakes.
■If a blowout or sudden air
leakage should occur
The tire pressure warning system
may not activate immediately.
■Maintenance of the tires
Each tire, including the spare (if
provided), should be checked
monthly when cold and inflated to
the inflation pressure recom-
mended by the vehicle manufac-
turer on the vehicle placard or tire
inflation pressure label (tire and
load information label). (If your
vehicle has tires of a different size
than the size indicated on the
vehicle placard or tire inflation
pressure label [tire and load infor-
mation label], you should deter-
mine the proper tire inflation
pressure for those tires.)
As an added safety feature, your
vehicle has been equipped with a
tire pressure monitoring system
(TPMS-tire pressure warning sys-
tem) that illuminates a low tire
pressure telltale (tire pressure
warning light) w hen one or more
of your tires is s ignificantly under-
inflated. Accordingly, when the
low tire pressure te lltale (tire pres-
sure warning light) illuminates,
you should stop and check your
tires as soon as possible, and
inflate them to the proper pres-
sure. Driving on a significantly
under-inflated tire causes the tire
to overheat and can lead to tire
failure. Under-inflation also
reduces fuel efficiency and tire
tread life, and may affect the vehi-
cle’s handling and stopping ability.
Please note that the TPMS (tire
pressure warning system) is not a
substitute for proper tire mainte-
nance, and it is the driver’s
responsibility to m aintain correct
tire pressure, even if under-infla-
tion has not reached the level to
trigger illumination of the TPMS
low tire pressure te lltale (tire pres-
sure warning light).
Your vehicle has also been
equipped with a TPMS (tire pres-
sure warning system) malfunc-
tion indicator to indicate when the
system is not operating properly.
The TPMS (tire pressure warning
system) malfunction indicator is
combined with the low tire pres-
sure telltale (tire pressure warning
light). When the system detects a
malfunction, the te lltale will flash
for approximately one minute and
then remain continuously illumi-
nated. This sequence will con-
tinue upon subsequent vehicle
start-ups as long as the malfunc-
tion exists. When the malfunction
indicator is illuminated, the sys-
tem may not be ab le to detect or
signal low tire pressure as
intended.

5157-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
7
When trouble arises
 Stop the vehicle in a safe
place on a hard, flat surface.
 Set the parking brake.
 Shift the shift lever to P.
 Stop the hybrid system.
 Turn on the emergency flash-
ers. ( P.494)
■Spare tire
■Jack and tools
Jack
Tool bag
Wheel lock key (if equipped)If you have a flat tire
Your vehicle is equipped
with a spare tire. The flat tire
can be replaced with the
spare tire.
For details about tires: P.466
WARNING
■If you have 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, which
could result in an accident.
Before repairing the tire
Location of the spare tire,
jack and tools
WARNING
■Using the tire jack
Observe the following precau-
tions.
Improper use of the tire jack may
cause the vehicle to suddenly fall
off the jack, leading to death or
serious injury.
●Do not use the tire jack for any
purpose other than replacing
tires or installing and removing
tire chains.
●Only use the tire jack that
comes with this vehicle for
replacing a flat tire.
Do not use it on other vehicles,
and do not use other tire jacks
for replacing tires on this vehi-
cle.

5177-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
7
When trouble arises
1 Fold the head restraint
( P.141), and then pull the
strap and then fold down the
seatback.
2 Loosen and remove the jack.
1 Loosen
2 Tighten
After using the jack, install the jack
in the exact reverse order from
which they were removed.
3Unhook the tightening strap
and take out the tool bag.
1 Assemble the jack handle
extension as shown.
2 Insert the end of the jack
handle extension into the NOTICE
■When using a wheel lock key
(if equipped)
Do not use an impact wrench.
Using an impact wrench may
cause permanent damage to
wheel lock nut and wheel lock
key. If in doubt about wheel lock
application, contact your Toyota
dealer.
Taking out the jack and
tool bag
Taking out the spare tire

5197-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
7
When trouble arises
3 Assemble the jack handle
extension as shown.
4 Position the jack at the cor-
rect jack point as shown.
Front
Rear
Make sure the jack is positioned on
a level and solid place.
5Raise the vehicle until the tire
is slightly raised off the
ground.
When positioning the jack under
the rear axle housing, make sure
the groove on the top of the jack fits with the rear axle housing.
6
Remove all the wheel nuts
and the tire.
When resting the tire on the
ground, place the tire so that the
wheel design faces up to avoid
scratching the wheel surface.
WARNING
■Replacing a flat tire
●Observe the fo llowing precau-
tions.
Failure to do so may result in seri-
ous injury:
• Lower the spare tire completely to the ground before removing it
from under the vehicle.
• Do not try to remove the wheel ornament by hand. Take due
care in handling the ornament to
avoid unexpected personal
injury.

5207-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
1Remove 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.
2 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
WARNING

5217-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
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When trouble arises
disc wheel seat .
3 Lower the vehicle.
4 Firmly tighten each wheel nut
two or three times in the
order shown in the illustra-
tion.
Vehicles with wheel locks:
Tighten the wheel lock using the
wheel lock key after tightening the
other wheel nuts.
Tightening torque:
154 ft•lbf (209 N•m, 21.3 kgf•m)
1Remove the center wheel
ornament by pushing from
the reverse side.
2 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.
3 Check to ensure the holding
bracket is centered in the
wheel hub.
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