LEXUS UX 200 (2019 year). Instruction — part 20
316
6-2. Maintenance
The OBD system determines that a
problem exists somewhere in the emis-
sion control system. Your vehicle may
not pass the I/M test and may need to
be repaired. Contact your Lexus
dealer to service the vehicle.
When the battery is disconnected
or discharged
Readiness codes that are set during
ordinary driving are erased.
Also, depending on your driving
habits, the readiness codes may not
be completely set.
When the fuel tank cap is loose
The malfunction indicator lamp
comes on indicating a temporary
malfunction and your vehicle may
not pass the I/M test.
The error code in the OBD system will
not be cleared unless the vehicle is
driven 40 or more times.
Contact your Lexus dealer to prepare
the vehicle for re-testing.
Emission inspection and
maintenance (I/M) pro-
grams
Some states have vehicle emission
inspection programs which include
OBD (On Board Diagnostics)
checks. The OBD system monitors
the operation of the emission con-
trol system.
If the malfunction indicator lamp
comes on
Your vehicle may not pass the
I/M test in the following situa-
tions:
When the malfunction indicator
lamp still remains on after sev-
eral driving trips
If your vehicle does not pass the
I/M test
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6-3. Do-it-yourself maintenance
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6-3.Do-it-yourself maintenance
Do-it-yourself service pre-
cautions
If you perform maintenance by
yourself, be sure to follow the cor-
rect procedure as given in these
sections.
Maintenance
Items
Parts and tools
Battery condi-
tion
(
• Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp
bolts)
Brake fluid level
(
• FMVSS No.116 DOT
3 or SAE J1703 brake
fluid
FMVSS No.116 DOT
4 or SAE J1704 brake
fluid
• Rag or paper towel
• Funnel (used only for
adding brake fluid)
Engine
coolant level
(
• “Toyota Super Long
Life Coolant” or a sim-
ilar high quality eth-
ylene glycol-based
non-silicate, non-
amine, non-nitrite and
non-borate coolant
with long-life hybrid
organic acid technol-
ogy
For the U.S.A.:
“Toyota Super Long
Life Coolant” is pre-
mixed with 50% cool-
ant and 50% deion-
ized water.
For Canada:
“Toyota Super Long
Life Coolant” is pre-
mixed with 55% cool-
ant and 45% deion-
ized water.
• Funnel (used only for
adding coolant)
Engine oil level
(
• “Toyota Genuine
Motor Oil” or equiva-
lent
• Rag or paper towel
• Funnel (used only for
adding engine oil)
Fuses
(
• Fuse with same
amperage rating as
original
Light bulbs
(
• Bulb with same num-
ber and wattage rat-
ing as original
Headlight aim
• Phillips-head screw-
driver
Items
Parts and tools
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6-3. Do-it-yourself maintenance
Radiator and
condenser
(
Tire inflation
pressure
(
• Tire pressure gauge
• Compressed air
source
Washer fluid
(
• Water or washer fluid
containing antifreeze
(for winter use)
• Funnel (used only for
adding water or
washer fluid)
WARNING
The engine compartment contains many
mechanisms and fluids that may move
suddenly, become hot, or become elec-
trically energized. To avoid death or seri-
ous injury, observe the following
precautions.
■
When working on the engine com-
partment
●
Keep hands, clothing and tools away
from the moving fan and engine drive
belt.
●
Be careful not to touch the engine,
radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil
and other fluids may also be hot.
●
Do not leave anything that may burn
easily, such as paper and rags, in the
engine compartment.
●
Do not smoke, cause sparks or expose
an open flame to fuel or the battery.
Fuel and battery fumes are flammable.
●
Be extremely cautions when working
on the battery. It contains poisonous
and corrosive sulfuric acid.
Items
Parts and tools
■
When working near the electric cool-
ing fan or radiator grille
Be sure the engine switch is OFF.
With the engine switch in ON, the elec-
tric cooling fan may automatically start to
run if the air conditioning is on and/or the
coolant temperature is high. (
P.324)
■
Safety glasses
Wear safety glasses to prevent flying or
falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■
If you remove the air cleaner filter
Driving with the air cleaner filter
removed may cause excessive engine
wear due to dirt in the air.
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6-3. Do-it-yourself maintenance
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1
Pull the hood lock release lever.
The hood will pop up slightly.
2
Pull up the auxiliary catch lever and
lift the hood.
3
Hold the hood open by inserting
the supporting rod into the slot.
Hood
Opening the hood
WARNING
■
Pre-driving check
Check that the hood is fully closed and
locked.
If the hood is not locked properly, it may
open while the vehicle is in motion and
cause an accident, which may result in
death or serious injury.
■
After installing the support rod into
the slot
Make sure the rod is properly inserted
into the slot to prevent the hood from
shutting on your head or body.
NOTICE
■
When closing the hood
Be sure to return the support rod to its
clip before closing the hood.
Closing the hood without returning the
support rod properly may cause the
hood to be damaged.
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6-3. Do-it-yourself maintenance
■
Front
■
Rear
Positioning a floor jack
When using a floor jack, follow the
instructions in the manual provided
with the jack and perform the oper-
ation safely.
When raising your vehicle with a
floor jack, position the jack cor-
rectly.
Improper placement may damage
your vehicle or cause injury.
Location of the jack point
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6-3. Do-it-yourself maintenance
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Fuse boxes (
Engine coolant reservoir (
Engine oil filler cap (
Battery (
Brake fluid reservoir (
Radiator (
Condenser (
Electric cooling fan
Engine oil level dipstick (
Washer fluid tank (
With the engine at operating tempera-
ture and turned off, check the oil level
on the dipstick.
■
Checking the engine oil
1
Park the vehicle on level ground.
After warming up the engine and
Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
Checking and adding the engine
oil
322
6-3. Do-it-yourself maintenance
turning off the engine, wait more
than 5 minutes for the oil to drain
back into the bottom of the engine.
2
Holding a rag under the end, pull
the dipstick out.
3
Wipe the dipstick clean.
4
Reinsert the dipstick fully.
5
Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
6
Wipe the dipstick and reinsert it
fully.
■
Checking the oil type and prepar-
ing the items needed
Make sure to check the oil type and
prepare the items needed before add-
ing oil.
Engine oil selection
Oil quantity (Low
Full)
1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items
Clean funnel
■
Adding engine oil
If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine.
1
Remove the oil filler cap by turning
it counterclockwise.
2
Add engine oil slowly, checking the
dipstick.
3
Install the oil filler cap by turning it
clockwise.
■
Engine oil consumption
A certain amount of engine oil will be con-
sumed while driving. In the following situa-
tions, oil consumption may increase, and
engine oil may need to be refilled in
between oil maintenance intervals.
●
When the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine
●
If low quality oil or oil of an inappropriate
viscosity is used
●
When driving at high engine speeds or
with a heavy load, when towing, or when
driving while accelerating or decelerat-
A
B
C
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6-3. Do-it-yourself maintenance
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ing frequently
●
When leaving the engine idling for a long
time, or when driving frequently through
heavy traffic
■
After changing the engine oil
The engine oil maintenance data should be
reset. Perform the following procedures:
1
Press
or
of the meter control
switches and select
.
2
Press
or
of the meter control
switches, select “Vehicle Settings” and
then press “OK”.
3
Press
or
of the meter control
switches, select “Oil Maintenance” and
then press and hold the “OK”.
4
Select “Yes” and press “OK”.
“Reset Complete” will be displayed when
the reset procedure has been completed.
The coolant level is satisfactory if it is
between the “FULL” and “LOW” lines
on the reservoir when the engine is
cold.
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW” line,
add coolant up to the “FULL” line.
(
■
Coolant selection
Only use “Toyota Super Long Life Coolant”
or a similar high quality ethylene glycol
based non-silicate, non-amine, non-nitrite,
and non-borate coolant with long-life
hybrid organic acid technology.
U.S.A.:
“Toyota Super Long Life Coolant” is a mix-
ture of 50% coolant and 50% deionized
WARNING
■
Used engine oil
●
Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water.
●
Dispose of used oil and filters only in a
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground. Call your Lexus dealer, ser-
vice station or auto parts store for
information concerning recycling or
disposal.
●
Do not leave used engine oil within the
reach of children.
NOTICE
■
To prevent serious engine damage
Check the oil level on a regular basis.
■
When replacing the engine oil
●
Be careful not to spill engine oil on the
vehicle components.
●
Avoid overfilling, or the engine could
be damaged.
●
Check the oil level on the dipstick
every time you refill the vehicle.
●
Be sure the engine oil filler cap is prop-
erly tightened.
Checking the engine coolant
A
B
C
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6-3. Do-it-yourself maintenance
water.
(Minimum temperature: -31°F [-35°C])
Canada:
“Toyota Super Long Life Coolant” is a mix-
ture of 55% coolant and 45% deionized
water.
(Minimum temperature: -44°F [-42°C])
For more details about coolant, contact
your Lexus dealer.
■
If the coolant level drops within a short
time of replenishing
Visually check the radiator, hoses, engine
coolant reservoir cap, drain cock and water
pump.
If you cannot find a leak, have your Lexus
dealer test the cap and check for leaks in
the cooling system.
Check the radiator and condenser and
clear away any foreign objects.
If either of the above parts is extremely
dirty or you are not sure of their condi-
tion, have your vehicle inspected by
your Lexus dealer.
■
Checking fluid level
The brake fluid level should be
between the “MAX” and “MIN” lines
on the tank.
■
Adding fluid
Make sure to check the fluid type and
prepare the necessary item.
Fluid type
FMVSS No.116 DOT 3 or SAE J1703
brake fluid
FMVSS No.116 DOT 4 or SAE J1704
WARNING
■
When the engine is hot
Do not remove the engine coolant reser-
voir cap.
The cooling system may be under pres-
sure and may spray hot coolant if the cap
is removed, causing serious injuries, such
as burns.
NOTICE
■
When adding coolant
Coolant is neither plain water nor
straight antifreeze. The correct mixture
of water and antifreeze must be used to
provide proper lubrication, corrosion
protection and cooling. Be sure to read
the antifreeze or coolant label.
■
If you spill coolant
Be sure to wash it off with water to pre-
vent it from damaging parts or paint.
Checking the radiator and con-
denser
WARNING
■
When the engine is hot
Do not touch the radiator or condenser
as they may be hot and cause serious
injuries, such as burns.
■
When the electric cooling fan is oper-
ating
Do not touch the engine compartment.
With the engine switch in ON, the elec-
tric cooling fan may automatically start to
run if the air conditioning is on and/or the
coolant temperature is high. Be sure the
engine switch is OFF when working near
the electric cooling fan or radiator grille.
Checking and adding the brake
fluid
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brake fluid
Items
Clean funnel
■
Brake fluid can absorb moisture from
the air
Excess moisture in the brake fluid can cause
a dangerous loss of braking efficiency. Use
only newly opened brake fluid.
Check the battery as follows.
■
Battery exterior
Make sure that the battery terminals
are not corroded and that there are no
loose connections, cracks, or loose
clamps.
Terminals
Hold-down clamp
■
Checking battery fluid
Check that the level is between the
“UPPER LEVEL” and “LOWER
LEVEL” lines.
“UPPER LEVEL” line
“LOWER LEVEL” line
If the fluid level is at or below the “LOWER
LEVEL” line, add distilled water.
■
Adding distilled water
1
Remove the vent plug.
2
Add distilled water.
If the “UPPER LEVEL” line cannot be seen,
check the fluid level by looking directly at
WARNING
■
When filling the reservoir
Take care as brake fluid can harm your
hands and eyes and damage painted sur-
faces.
If fluid gets on your hands or in your eyes,
flush the affected area with clean water
immediately.
If you still experience discomfort, see a
doctor.
NOTICE
■
If the fluid level is low or high
It is normal for the brake fluid level to go
down slightly as the brake pads wear out
or when the fluid level in the accumulator
is high.
If the reservoir needs frequent refilling,
there may be a serious problem.
Checking the battery
A
B
A
B
326
6-3. Do-it-yourself maintenance
the cell.
3
Put the vent plug back on and close
it securely.
■
Before recharging
When recharging, the battery produces
hydrogen gas which is flammable and
explosive. Therefore, observe the following
precautions before recharging:
●
If recharging with the battery installed on
the vehicle, be sure to disconnect the
ground cable.
●
Make sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the battery.
■
After recharging/reconnecting the bat-
tery
●
The engine may not start. Follow the pro-
cedure below to initialize the system.
1
Shift the shift lever to P.
2
Open and close any of the doors.
3
Restart the engine.
●
Unlocking the doors using the smart
access system with push-button start may
not be possible immediately after recon-
necting the battery. If this happens, use
the wireless remote control or the
mechanical key to lock/unlock the doors.
●
Start the engine with the engine switch in
ACC. The engine may not start with the
engine switch turned off. However, the
engine will operate normally from the
second attempt.
●
The engine switch mode is recorded by
the vehicle. If the battery is reconnected,
the vehicle will return the engine switch
mode to the status it was in before the
battery was disconnected. Make sure to
turn off the power before disconnect the
battery. Take extra care when connecting
the battery if the engine switch mode
prior to discharge is unknown.
If the system will not start even after multiple
attempts at all methods above, contact your
Lexus dealer.
WARNING
■
Chemicals in the battery
Battery contains poisonous and corro-
sive sulfuric acid and may produce
hydrogen gas which is flammable and
explosive. To reduce the risk of death or
serious injury, take the following precau-
tions while working on or near the bat-
tery:
●
Do not cause sparks by touching the
battery terminals with tools.
●
Do not smoke or light a match near the
battery.
●
Avoid contact with eyes, skin and
clothes.
●
Never inhale or swallow electrolyte.
●
Wear protective safety glasses when
working near the battery.
●
Keep children away from the battery.
■
Where to safely charge the battery
Always charge the battery in an open
area. Do not charge the battery in a
garage or closed room where there is
insufficient ventilation.
■
Emergency measures regarding
electrolyte
●
If electrolyte gets in your eyes
Flush your eyes with clean water for at
least 15 minutes and get immediate
medical attention. If possible, continue
to apply water with a sponge or cloth
while traveling to the nearest medical
facility.
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If none of the washer does not work or
the “Windshield Washer Fluid Low”
appears on the multi-information dis-
play, the washer tank may be empty.
Add washer fluid.
WARNING
●
If electrolyte gets on your skin
Wash the affected area thoroughly. If
you feel pain or burning, get medical
attention immediately.
●
If electrolyte gets on your clothes
It can soak through clothing on to your
skin. Immediately take off the clothing
and follow the procedure above if nec-
essary.
●
If you accidentally swallow electrolyte
Drink a large quantity of water or milk.
Get emergency medical attention
immediately.
■
When there is insufficient battery
fluid
Do not use if there is insufficient fluid in
the battery. There is a possible danger
that the battery may explode.
NOTICE
■
When recharging the battery
Never recharge the battery while the
engine is running. Also, be sure all acces-
sories are turned off.
■
When adding distilled water
Avoid overfilling. Water spilled during
battery recharging may cause corrosion.
Adding the washer fluid
WARNING
■
When adding washer fluid
Do not add washer fluid when the engine
is hot or operating as washer fluid con-
tains alcohol and may catch fire if spilled
on the engine, etc.
NOTICE
■
Do not use any fluid other than
washer fluid
Do not use soapy water or engine anti-
freeze instead of washer fluid.
Doing so may cause streaking on the
vehicle’s painted surfaces, as well as
damaging the pump leading to problems
of the washer fluid not spraying.
■
Diluting washer fluid
Dilute washer fluid with water as neces-
sary.
Refer to the freezing temperatures listed
on the label of the washer fluid bottle.
328
6-3. Do-it-yourself maintenance
Check if the treadwear indicators are
showing on the tires. Also check the
tires for uneven wear, such as excessive
wear on one side of the tread.
Check the spare tire condition and
pressure if not rotated.
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 indica-
tors 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 cannot be
properly repaired due to the size or loca-
tion of a cut or other damage.
If you are not sure, consult with your Lexus
dealer.
■
Tire life
Any tire over 6 years old must be checked
by a qualified technician even if it has sel-
dom 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, which-
ever 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-
mance tires best suited to highway driv-
ing under dry conditions. Since summer
tires do not have the same traction per-
formance as snow tires, summer tires are
inadequate for driving on snow-covered
or icy roads. For driving on snow-covered
Tires
Replace or rotate tires in accor-
dance with maintenance schedules
and treadwear.
Checking tires
A
B
C
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6-3. Do-it-yourself maintenance
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roads or icy roads, the use of snow tires is
recommended. When installing snow
tires, be sure to replace all four tires.
●
All season tires
All season tires are designed to provide
better traction in snow and to be ade-
quate for driving in most winter condi-
tions as well as for use year-round. All
season tires, however, do not have ade-
quate 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, construction and load capacity
as the originally installed tires. Since your
vehicle has radial tires as original equip-
ment, 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.
■
Replacing tires (vehicles with run-flat
tires)
Your vehicle may not be equipped with the
following tools and jack for replacing a tire.
In this case, when replacing tires with tires
that are not run-flat tires, purchase tools
and jack. Tools and jack can be purchased
at your Lexus dealer.
●
Wheel nut wrench
●
Jack
●
Jack handle
WARNING
■
When inspecting or replacing tires
Observe the following precautions to
prevent accidents.
Failure to do so may cause damage to
parts of the drivetrain as well as danger-
ous handling characteristics, which may
lead to an accident resulting in death or
serious injury.
●
Do not mix tires of different makes,
models or tread patterns.
Also, do not mix tires of remarkably
different treadwear.
●
Do not use tire sizes other than those
recommended by Lexus.
●
Do not mix differently constructed
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 previously.
●
Vehicles with compact spare tire: Do
not tow if your vehicle has a compact
spare tire installed.
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 cushion-
ing ability of the tires. In addition, driving
on rough roads may cause damage to
the tires themselves, as well as the vehi-
cle’s wheels and body.
■
If tire inflation pressure of each tire
becomes low while driving (vehicles
without run-flat tires)
Do not continue driving, or your tires
and/or wheels may be ruined.
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6-3. Do-it-yourself maintenance
Rotate the tires in the order shown.
To equalize tire wear and extend tire life,
Lexus recommends that tire rotation is car-
ried out at the same interval as tire inspec-
tion.
Do not fail to initialize the tire pressure
warning system after tire rotation.
■
When rotating the tires
Make sure that the engine switch is OFF. If
the tires are rotated while the engine switch
is in ON, the tire position information will
not be updated.
If this accidentally occurs, either turn the
engine switch to OFF and then to ON, or
initialize the tire pressure warning system
after checking that the tire pressure is prop-
erly adjusted.
When run-flat tires are installed, the
vehicle can be driven for a maximum of
100 miles (160 km) at a speed below
50 mph (80 km/h) after any tire goes
flat. (However, the vehicle speed may
not increase to near 50 mph [80
km/h] depending on weather or driv-
ing conditions.)
A run-flat tire has a
mark on
the sidewall.
Make sure to replace the flat tire before the
vehicle has been driven for near 100 miles
(160 km). Also, do not use a repaired tire.
■
Run-flat tires
●
The run-flat tires are for only this vehicle.
Do not use the tires on other vehicles.
●
Do not mix run-flat tires and normal tires.
●
If non-genuine Lexus wheels are used, it
may be impossible to sufficiently demon-
strate the performance of run-flat tires.
Your vehicle is equipped with a tire
pressure warning system that uses tire
pressure warning valves and transmit-
ters to detect low tire inflation pressure
before serious problems arise.
If the tire pressure drops below a
predetermined level, the driver is
warned by a screen display and a
warning light. (
The tire pressure detected by the
tire pressure warning system can be
displayed on the multi-information
display. (
The illustration used is intended as an
example, and may differ from the image
that is actually displayed on the multi-infor-
mation display.
Tire rotation
Run-flat tires (if equipped)
Tire pressure warning system
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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 display the
tire inflation pressure after the engine
switch is turned to ON. It may also take a
few minutes to display the tire inflation
pressure after inflation pressure has been
adjusted.
●
Tire inflation pressure changes with tem-
perature. The displayed values may also
be different from the values measured
using a tire pressure gauge.
■
Situations in which the tire pressure
warning system may not operate prop-
erly
●
In the following cases, the tire pressure
warning system may not operate prop-
erly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is
not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is
not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is
equipped.
• If a window tint that affects the radio wave
signals is installed.
• If there is a lot of snow or ice on the vehi-
cle, particularly around the wheels or
wheel housings.
• If the tire inflation pressure is extremely
higher than the specified level.
• If wheels without tire pressure warning
valves and transmitters are used.
• If the ID code on the tire pressure warn-
ing valves and transmitters is not regis-
tered in the tire pressure warning
computer.
●
Performance may be affected in the fol-
lowing situations.
• 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 correctly
displayed due to the radio wave conditions,
the display may be corrected by driving and
changing the radio wave conditions.
●
When the vehicle is parked, the time
taken for the warning to start or go off
could be extended.
●
When tire inflation pressure declines rap-
idly for example when a tire has burst, the
warning may not function.
■
Warning performance of the tire pres-
sure warning system
The warning of the tire pressure warning
system will change in accordance with the
conditions under which it was initialized. For
this reason, 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 system was initialized.
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