Toyota Mirai (2022 year). Manual in english — page 25
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7-3. Do-it-yourself maintenance
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Check if the treadwear indica-
tors are showing on the tires.
Also check the tires for uneven
wear, such as excessive wear
on one side of the tread.
New tread
Worn tread
Treadwear indicator
The location of treadwear indicators
is shown by a “TWI” or “
” mark,
etc., molded into the sidewall of
each tire.
Replace the tires if the treadwear
indicators are showing on a tire.
■
When to replace your vehicle’s
tires
Tires should be replaced if:
●
The treadwear indicators are
showing on a tire.
●
You have tire damage such as
cuts, splits, cracks deep enough
to expose the fabric, and bulges
indicating internal damage
●
A tire goes flat repeatedly or can-
not be properly repaired due to the
size or location of a cut or other
damage
If you are not sure, consult with your
Toyota dealer.
■
Tire life
Any tire over 6 years old must be
checked by a qualified technician
even if it has seldom or never been
used or damage is not obvious.
■
Maximum load of tire
Check that the maximum load of the
replacement tire is greater than 1/2
of the Gross Axle Weight Ratings
(GAWR) of either the front axle or
the rear axle, whichever is greater.
For the GAWR, see the Certification
Label.
For the maximum load of the tire,
see the load limit at maximum cold
tire inflation pressure mentioned on
the sidewall of the tire. (
■
Tire types
●
Summer tires
Summer tires are high-speed perfor-
Tires
Replace or rotate tires in
accordance with mainte-
nance schedules and tread-
wear.
Checking tires
404
7-3. Do-it-yourself maintenance
mance tires best suited to highway
driving under dry conditions. Since
summer tires do not have the same
traction performance as snow tires,
summer tires are inadequate for
driving on snow-covered or icy
roads. For driving on snow-covered
roads or icy roads, the use of snow
tires is recommended. When install-
ing snow tires, be sure to replace all
four tires.
●
All season tires
All season tires are designed to pro-
vide better traction in snow and to
be adequate for driving in most win-
ter conditions as well as for use
year-round. All season tires, how-
ever, do not have adequate traction
performance compared with snow
tires in heavy or loose snow. Also,
all season tires fall short in accelera-
tion and handling performance com-
pared with summer tires in highway
driving.
●
Snow tires
For driving on snow-covered roads
or icy roads, we recommend using
snow tires. If you need snow tires,
select tires of the same size, con-
struction and load capacity as the
originally installed tires. Since your
vehicle has radial tires as original
equipment, make sure your snow
tires also have radial construction.
Do not install studded tires without
first checking local regulations for
possible restrictions. Snow tires
should be installed on all wheels.
(
■
If the tread on snow tires wears
down below 0.16 in. (4 mm)
The effectiveness of the tires as
snow tires is lost.
Rotate the tires in the order
WARNING
■
When inspecting or replacing
tires
Observe the following precautions
to prevent accidents.
Failure to do so may cause dam-
age to parts of the drive train as
well as dangerous handling char-
acteristics, which may lead to an
accident resulting in death or seri-
ous injury.
●
Do not mix tires of different
makes, models or tread pat-
terns.
Also, do not mix tires of remark-
ably different treadwear.
●
Do not use tire sizes other than
those recommended by Toyota.
●
Do not mix differently con-
structed tires (radial, bias-belted
or bias-ply tires).
●
Do not mix summer, all season
and snow tires.
●
Do not use tires that have been
used on another vehicle.
Do not use tires if you do not
know how they were used previ-
ously.
NOTICE
■
Driving on rough roads
Take particular care when driving
on roads with loose surfaces or
potholes.
These conditions may cause
losses in tire inflation pressure,
reducing the cushioning ability of
the tires. In addition, driving on
rough roads may cause damage
to the tires themselves, as well as
the vehicle’s wheels and body.
Tire rotation
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shown.
Front
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Do not fail to initialize the tire pres-
sure warning system after tire rota-
tion.
Your vehicle is equipped with a
tire pressure warning system
that uses tire pressure warning
valves and transmitters to detect
low tire inflation pressure before
serious problems arise.
The tire pressure detected by
the tire pressure warning sys-
tem can be displayed on the
multi-information display.
(
If the tire pressure drops
below a predetermined level,
the driver is warned by a
screen display and a warning
light. (
■
Routine tire inflation pressure
checks
The tire pressure warning system
does not replace routine tire inflation
pressure checks. Make sure to
check tire inflation pressure as part
of your routine of daily vehicle
checks.
■
Tire inflation pressure
●
It may take a few minutes to dis-
play the tire inflation pressure
after the power switch is turned to
ON. It may also take a few min-
utes to display the tire inflation
pressure after inflation pressure
has been adjusted.
●
Tire inflation pressure changes
with temperature. The displayed
values may also be different from
the values measured using a tire
pressure gauge.
Tire pressure warning
system
406
7-3. Do-it-yourself maintenance
■
Situations in which the tire
pressure warning system may
not operate properly
●
In the following cases, the tire
pressure warning system may not
operate properly.
• If non-genuine Toyota wheels are
used.
• If a tire has been replaced with a
tire that is not an OE (Original
Equipment) tire.
• If a tire has been replaced with a
tire that is not of the specified size.
• If tire chains, etc. are installed.
• If a window tint that affects the
radio wave signals is installed.
• If there is a lot of snow or ice on
the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is
much higher than the specified
level.
• If wheels not equipped with tire
pressure warning valves and
transmitter are used.
• If the ID code on the tire pressure
warning valves and transmitters is
not registered in the tire pressure
warning computer.
●
Performance may be affected in
the following situations.
• When driving near a TV tower,
electric power plant, gas station,
radio station, large display, airport
or other facility that generates
strong radio waves or electrical
noise
• When carrying a portable radio,
cellular phone, cordless phone or
other wireless communication
device
If tire position information is not cor-
rectly displayed due to the radio
wave conditions, the display may be
corrected by changing the location
of the vehicle as the radio wave
conditions may change.
●
When the vehicle is stopped, the
time taken for the warning to start
or turn off may be longer.
●
When the inflation pressure of a
tire drops rapidly, for example
when a tire has burst, the warning
may not operate.
■
Warning performance of the tire
pressure warning system
The warning of the tire pressure
warning system will change in
accordance the conditions under
which it was initialized. For this rea-
son, the system may give a warning
even if the tire pressure does not
reach a low enough level, or if the
pressure is higher than the pressure
that was adjusted to when the sys-
tem was initialized.
■
Tire pressure warning system
certification
When replacing the tires or
wheels, the tire pressure warn-
ing valves and transmitters must
be installed to the wheels which
will be installed to the vehicle.
When new tire pressure warning
valves and transmitters are
installed, new ID codes must be
registered in the tire pressure
warning computer and the tire
pressure warning system must
be initialized. (
■
Replacing tires and wheels
If the ID codes of the tire pressure
warning valves and transmitters are
not registered, the tire pressure
warning system will not work prop-
erly. In this case, after driving for
about 10 minutes, the tire pressure
warning light will blink for approxi-
mately 1 minute and then illuminate
to indicate a system malfunction.
Installing tire pressure
warning valves and trans-
mitters
407
7-3. Do-it-yourself maintenance
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■
The tire pressure warning
system must be initialized
in the following circum-
stances:
When the tire inflation pres-
sure is changed such as
when changing traveling
speed or load weight.
When the tire inflation pres-
sure is changed such as
when the tire size is changed.
When rotating the tires.
After performing the transmit-
ter ID code registration proce-
dure. (
When the tire pressure warning
system is initialized, the current
tire inflation pressure is set as
the benchmark pressure.
■
How to initialize the tire
pressure warning system
1
Park the vehicle in a safe
place, turn the power switch
off and wait 20 minutes or
more.
Initialization cannot be performed
while the vehicle is moving.
2
Adjust the tire inflation pres-
sure to the specified cold tire
inflation pressure level.
Make sure to adjust the tire pres-
sure to the specified cold tire infla-
tion pressure level. The tire
pressure warning system will oper-
ate based on this pressure level.
3
Start the fuel cell system.
4
Press
or
of the meter
control switch to select
.
5
Press
or
to select
“Vehicle Settings” and then
press and hold
.
6
Press
or
to select
“TPWS” and then press
.
7
Press
or
to select “Set
Pressure”. Then press and
hold
until the tire pressure
warning light starts blinking.
A message is displayed on the
multi-information display. Also, “--”
is displayed for inflation pressure of
NOTICE
■
Repairing or replacing tires,
wheels, tire pressure warn-
ing valves, transmitters and
tire valve caps
●
When removing or fitting the
wheels, tires or the tire pressure
warning valves and transmit-
ters, contact your Toyota dealer
as the tire pressure warning
valves and transmitters may be
damaged if not handled cor-
rectly.
●
Make sure to install the tire
valve caps. If the tire valve caps
are not installed, water could
enter the tire pressure warning
valves, corrode the valve, and
cause sticking and air leaks.
●
When replacing tire valve caps,
do not use tire valve caps other
than those specified. The cap
may become stuck.
Initializing the tire pres-
sure warning system
408
7-3. Do-it-yourself maintenance
each tire on the multi-information
display while the tire pressure
warning system determines the
position.
8
Drive at approximately 25
mph (40 km/h) or more for
approximately 10 to 30 min-
utes.
When initialization is complete, the
inflation pressure of each tire will be
displayed on the multi-information
display.
Even if the vehicle is not driven at
approximately 25 mph (40 km/h) or
more, initialization can be com-
pleted by driving for a long time.
However, if initialization does not
complete after driving for 1 hour or
more, park the vehicle in a safe
place for approximately 20 minutes
and then drive the vehicle again.
■
When initializing
●
Initialization is performed while
driving at a vehicle speed of
approximately 25 mph (40 km/h)
or more.
●
Make sure to carry out initializa-
tion after adjusting the tire inflation
pressure. Also, make sure the
tires are cold before carrying out
initialization or tire inflation pres-
sure adjustment.
●
The tire pressure warning system
can be initialized by yourself, but
depending on the driving condi-
tions and driving environment, ini-
tialization may take some time to
complete.
■
The initialization operation
●
If you have accidentally turned the
power switch off during initializa-
tion, it is not necessary to manu-
ally restart the initialization again,
as initialization will restart auto-
matically the next time the power
switch is turned to ON.
●
If you accidentally perform initial-
ization when initialization is not
necessary, adjust the tire inflation
pressure to the specified level
when the tires are cold, and con-
duct initialization again.
●
While the position of each tire is
being determined and the inflation
pressures are not being displayed
on the multi-information display, if
the inflation pressure of a tire
drops, the tire pressure warning
light will come on.
■
If the tire pressure warning sys-
tem is not initialized properly
●
In the following situations, initial-
ization may take longer than usual
to be completed or may not be
possible. Normally, initialization
completes within approximately
30 minutes.
• Vehicle is not driven at approxi-
mately 25 mph (40 km/h) or more
• Vehicle is driven on unpaved
roads
• Vehicle is driven near other vehi-
cles and system cannot recog-
nize tire pressure warning valve
and transmitters of your vehicle
over those of other vehicles
If initialization does not complete
after driving for 1 hour or more, park
the vehicle in a safe place for
approximately 20 minutes and then
drive the vehicle again.
●
If the vehicle is reversed during
initialization, the data up to that
point is reset, so perform the ini-
tialization procedure again from
the beginning.
●
In the following situations, initial-
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ization will not be started or was
not completed properly and the
system will not operate properly.
Perform the initialization proce-
dure again.
• If, when attempting to start initial-
ization, the tire pressure warning
light does not blink 3 times.
• If, when the vehicle has been
driven for about 20 minutes after
performing initialization, the tire
pressure warning light blinks for
approximately 1 minute and then
illuminates.
If initialization cannot be completed
after performing the above proce-
dure, contact your Toyota dealer.
Every tire pressure warning
valve and transmitter has a
unique ID code. When replacing
a tire pressure warning valve
and transmitter, it is necessary
to register the ID codes.
When registering the ID codes,
perform the following procedure.
1
When registering the ID
codes, perform the following
procedure.Park the vehicle in
a safe place and turn the
power switch off, wait for
approximately 15 minutes or
more and perform the proce-
dure.
2
Start the fuel cell system.
(
3
Press
or
of the meter
control switch to select
.
4
Press
or
to select
“Vehicle Settings” and then
press and hold
.
5
Press
or
to select
“TPWS” and then press
.
6
Press
or
to select
“Change Wheel”. Then press
and hold
until the tire
pressure warning light blinks
slowly 3 times.
Then a message will be displayed
on the multi-information display.
When registration is being per-
formed, the tire pressure warning
light will blink for approximately 1
minute then illuminate and “--” will
be displayed for the inflation pres-
sure of each tire on the multi-infor-
mation display.
WARNING
■
When initializing the tire pres-
sure warning system
Do not initialize the tire pressure
warning system without first
adjusting the tire inflation pres-
sure to the specified level. Other-
wise, the tire pressure warning
light may not come on even if the
tire inflation pressure is low, or it
may come on when the tire infla-
tion pressure is actually normal.
Registering ID codes
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7-3. Do-it-yourself maintenance
7
Drive at 25 mph (40 km/h) or
more for approximately 10 to
30 minutes.
Registration is complete when the
tire pressure warning light turns off
and the inflation pressure of each
tire is displayed on the multi-infor-
mation display.
Even if the vehicle is not driven at
approximately 25 mph (40 km/h) or
more, registration can be com-
pleted by driving for a long time.
However, if registration does not
complete after driving for 1 hour or
more, perform the procedure again
from the beginning.
8
Initialize the tire pressure
warning system. (
■
When registering ID codes
●
ID code registration is performed
while driving at a vehicle speed of
approximately 25 mph (40 km/h)
or more.
●
Before performing ID code regis-
tration, make sure that no wheels
with tire pressure warning valve
and transmitters installed are near
the vehicle.
●
Make sure to initialize the tire
pressure warning system after
registering the ID codes. If the
system is initialized before regis-
tering the ID codes, the initialized
values will be invalid.
●
ID codes can be registered by
yourself, but depending on the
driving conditions and driving
environment, registration may
take some time to complete.
■
Canceling ID code registration
●
To cancel ID code registration
after it has been started, turn the
power switch off before driving the
vehicle.
If the vehicle is driven after ID
code registration is started, to
cancel registration, perform the ID
code registration start procedure
again and turn the power switch
off before driving.
●
If ID code registration has been
canceled, the tire pressure warn-
ing light will blink for approxi-
mately 1 minute when the power
switch is turned to ON and then
illuminate. The tire pressure warn-
ing system will be operational
when the tire pressure warning
light turns off.
●
If the warning light does not turn
off even after several minutes
have elapsed, ID code registration
may not have been canceled cor-
rectly. To cancel registration, per-
form the ID code registration start
procedure again and then turn the
power switch off before driving.
■
If ID codes are not registered
properly
●
In the following situations, ID code
registration may take longer than
usual to be completed or may not
be possible. Normally, registration
completes within approximately
30 minutes.
• Vehicle is not parked for approxi-
mately 20 minutes or more before
driving
• Vehicle is not driven at approxi-
mately 25 mph (40 km/h) or more
• Vehicle is driven on unpaved
roads
• Vehicle is driven near other vehi-
cles and system cannot recog-
nize tire pressure warning valves
and transmitters of your vehicle
over those of other vehicles
• Wheel with tire pressure warning
valve and transmitter installed is
inside or near the vehicle
If registration does not complete
after driving for 1 hour or more, per-
form the ID code registration proce-
dure again from the beginning.
●
If the vehicle is reversed during
registration, the data up to that
point is reset, so perform the reg-
istration procedure again from the
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beginning.
●
In the following situations, ID code
registration will not be started or
was not completed properly and
the system will not operate prop-
erly. Perform the ID code registra-
tion procedure again.
• If, when attempting to start ID
code registration, the tire pressure
warning light does not blink slowly
3 times.
• If, when the vehicle has been
driven for about 20 minutes after
performing ID code registration,
the tire pressure warning light
blinks for approximately 1 minute
and then illuminates.
●
If ID code registration cannot be
completed after performing the
above procedure, contact your
Toyota dealer.
Stop the vehicle in a safe
place on a hard, flat surface.
Set the parking brake.
Shift the shift position to P.
Stop the fuel cell system.
■
Jack and tools
As your vehicle is not installed spare
tire, the following tools for replacing
a tire are not included with your
vehicle. They can be purchased at
your Toyota dealer.
●
Wheel nut wrench
●
Jack
●
Jack handle
Replacing the tire
When raising your vehicle
with a jack, position the jack
correctly.
Improper placement may
damage your vehicle or
cause injury.
If necessary tire replace-
ment seems difficult to per-
form, contact your Toyota
dealer.
Before jacking up the
vehicle
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7-3. Do-it-yourself maintenance
1
Chock the tires.
2
Slightly loosen the wheel
nuts (one turn).
3
Turn the tire jack portion
by hand until the notch of the
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.
●
Do not use other tire jacks for
replacing tires on this vehicle.
●
Put the jack properly in its jack
point.
●
Do not put any part of your body
under the vehicle while it is sup-
ported by the jack.
●
Do not start the fuel cell system
or drive the vehicle while the
vehicle is supported by the jack.
●
Do not raise the vehicle while
someone is inside.
●
When raising the vehicle, do not
put an object on or under the
jack.
●
Do not raise the vehicle to a
height greater than that required
to replace the tire.
●
Use a jack stand if it is neces-
sary to get under the vehicle.
●
When lowering the vehicle,
make sure that there is no-one
near the vehicle. If there are
people nearby, warn them
vocally before lowering.
Removing a tire
Tire
Wheel chock
positions
Front left-hand
side
Behind the rear
right-hand side
tire
Front right-hand
side
Behind the rear
left-hand side tire
Rear left-hand
side
In front of the
front right-hand
side tire
Rear right-hand
side
In front of the
front left-hand
side tire
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jack is in contact with the jack
point.
The jack point guides are located
under the rocker panel. They indi-
cate the jack point positions.
4
Raise the vehicle until the tire
is slightly raised off the
ground.
5
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.
1
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.
WARNING
■
Replacing a tire
Do not touch the disc wheels or
the area around the brakes imme-
diately after the vehicle has been
driven.
After the vehicle has been driven
the disc wheels and the area
around the brakes will be
extremely hot. Touching these
areas with hands, feet or other
body parts while changing a tire,
etc. may result in burns.
Installing the tire
414
7-3. Do-it-yourself maintenance
2
Install the tire and loosely
tighten each wheel nut by
hand by approximately the
same amount.
Turn the wheel nuts until the wash-
ers come into contact with the disc
wheel.
Washer
Disc wheel
3
Lower the vehicle.
4
Firmly tighten each wheel nut
two or three times in the
order shown in the illustra-
tion.
Tightening torque:
103 ft•lbf (140 N•m, 14.3
kgf•m)
WARNING
■
When installing the tire
Failure to follow these precau-
tions could cause the wheel nuts
to loosen and the tire to fall off,
resulting in death or serious injury.
●
Never use oil or grease on the
wheel bolts or wheel nuts.
Oil and grease may cause the
wheel nuts to be excessively
tightened, leading to bolt or disc
wheel damage. In addition, the
oil or grease can cause the
wheel nuts to loosen and the
wheel may fall off, causing a
serious accident. Remove any
oil or grease from the wheel
bolts or wheel nuts.
●
Have the wheel nuts tightened
with a torque wrench to 103
ft•lbf (140 N•m, 14.3 kgf•m) as
soon as possible after changing
wheels.
●
Do not attach a heavily dam-
aged wheel ornament, as it may
fly off the wheel while the vehi-
cle is moving.
●
When installing a tire, only use
wheel nuts that have been spe-
cifically designed for that wheel.
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7-3. Do-it-yourself maintenance
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The recommended cold tire
inflation pressure and tire size
are displayed on the tire and
loading information label.
(
Tire valve
WARNING
●
If there are any cracks or defor-
mations in the bolt screws, nut
threads or bolt holes of the
wheel, have the vehicle
inspected by your Toyota
dealer.
NOTICE
■
Repairing or replacing tires,
wheels, tire pressure warn-
ing valves, transmitters and
tire valve caps
Tire inflation pressure
Checking the specified
tire inflation pressure
Inspection and adjust-
ment procedure
416
7-3. Do-it-yourself maintenance
Tire pressure gauge
1
Remove the tire valve cap.
2
Press the tip of the tire pres-
sure gauge onto the tire
valve.
3
Read the pressure using the
gauge gradations.
4
If the tire inflation pressure is
not at the recommended
level, adjust the pressure.
If you add too much air, press
the center of the valve to
deflate.
5
After completing the tire infla-
tion pressure measurement
and adjustment, apply soapy
water to the valve and check
for leakage.
6
Put the tire valve cap back
on.
■
Tire inflation pressure check
interval
You should check tire inflation pres-
sure every two weeks, or at least
once a month. Do not forget to
check the spare.
■
Effects of incorrect tire inflation
pressure
Driving with incorrect tire inflation
pressure may result in the following:
●
Reduced fuel economy
●
Reduced driving comfort and poor
handling
●
Reduced tire life due to wear
●
Reduced safety
●
Damage to the drive train
If a tire needs frequent inflating,
have it checked by your Toyota
dealer.
■
Instructions for checking tire
inflation pressure
When checking tire inflation pres-
sure, observe the following:
●
Check only when the tires are
cold.
If your vehicle has been parked for
at least 3 hours or has not been
driven for more than 1 mile or 1.5
km, you will get an accurate cold
tire inflation pressure reading.
●
Always use a tire pressure gauge.
It is difficult to judge if a tire is
properly inflated based only on its
appearance.
●
It is normal for the tire inflation
pressure to be higher after driving
as heat is generated in the tire. Do
not reduce tire inflation pressure
after driving.
●
Never exceed the vehicle capacity
weight.
Passengers and luggage weight
should be placed so that the vehi-
cle is balanced.
WARNING
■
Proper inflation is critical to
save tire performance
Keep your tires properly inflated.
If the tires are not properly
inflated, the following conditions
may occur which could lead to an
accident resulting in death or seri-
ous injury:
●
Excessive wear
●
Uneven wear
●
Poor handling
●
Possibility of blowouts resulting
from overheated tires
●
Air leaking from between tire
and wheel
●
Wheel deformation and/or tire
damage
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When replacing wheels, care
should be taken to ensure that
they are equivalent to those
removed in load capacity, diam-
eter, rim width and inset
*
.
Replacement wheels are avail-
able at your Toyota dealer.
*
: Conventionally referred to as off-
set.
Toyota does not recommend
using the following:
Wheels of different sizes or
types
Used wheels
Bent wheels that have been
straightened
■
When replacing wheels
The wheels of your vehicle are
equipped with tire pressure warning
valves and transmitters that allow
the tire pressure warning system to
provide advance warning in the
event of a loss in tire inflation pres-
sure. Whenever wheels are
replaced, the tire pressure warning
valves and transmitters must be
installed. (
WARNING
●
Greater possibility of tire dam-
age while driving (due to road
hazards, expansion joints,
sharp edges in the road, etc.)
NOTICE
■
When inspecting and adjust-
ing tire inflation pressure
Be sure to put the tire valve caps
back on.
If a valve cap is not installed, dirt
or moisture may get into the valve
and cause an air leak, resulting in
decreased tire inflation pressure.
Wheels
If a wheel is bent, cracked or
heavily corroded, it should
be replaced. Otherwise, the
tire may separate from the
wheel or cause a loss of
handling control.
Wheel selection
418
7-3. Do-it-yourself maintenance
Use only Toyota wheel nuts
and wheel nut 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.
WARNING
■
When replacing wheels
●
Do not use wheels that are a dif-
ferent size from those recom-
mended in the Owner’s Manual,
as this may result in a loss of
handling control.
●
Never use an inner tube in a
leaking wheel which is designed
for a tubeless tire.
Doing so may result in an acci-
dent, causing death or serious
injury.
■
When installing the wheel
nuts
Never use oil or grease on the
wheel bolts or wheel nuts. Oil and
grease may cause the wheel nuts
to be excessively tightened, lead-
ing to bolt or disc wheel damage.
In addition, the oil or grease can
cause the wheel nuts to loosen
and the wheel may fall off, caus-
ing an accident and resulting in
death or serious injury. Remove
any oil or grease from the wheel
bolts or wheel nuts.
■
Use of defective wheels pro-
hibited
Do not use cracked or deformed
wheels. Doing so could cause the
tire to leak air during driving, pos-
sibly causing an accident.
NOTICE
■
Replacing tire pressure warn-
ing valves and transmitters
●
Because tire repair or replace-
ment may affect the tire pres-
sure warning valves and
transmitters, make sure to have
tires serviced by your Toyota
dealer or other qualified service
shop. In addition, make sure to
purchase your tire pressure
warning valves and transmit-
ters at your Toyota dealer.
●
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
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