Lexus LC500C (2022 year). Manual in english — page 17
282
6-3. Do-it-yourself maintenance
the vehicle is driven on an unpaved road.
When performing initialization, drive on a
paved road if possible. Depending on the
driving environment and condition of the
tires, initialization will be completed in
approximately 10 to 30 minutes. If initializa-
tion is not complete after driving approxi-
mately 10 to 30 minutes, continue driving
for a while. If the inflation of each tire is not
displayed after driving for approximately 1
hour, perform the following procedure.
●
Park the vehicle in a safe place for
approximately 20 minutes. Then drive
straight (with occasional left and right
turns) at approximately 25 mph (40
km/h) or more for approximately 10 to
30 minutes.
However, in the following situations, the tire
inflation pressure will not be recorded and
the system will not operate properly. Per-
form initialization again.
●
When performing initialization, the tire
pressure warning light does not blink 3
times. (Initialization will not occur while
driving)
●
After performing initialization, the tire
pressure warning light blinks for 1 minute
then stays on after driving for about 20
minutes.
If the inflation pressure of each tire is still not
displayed, have the vehicle inspected by
your Lexus dealer.
■
When registering ID codes
●
Initialize the tire pressure warning system
after ID code registration. Initialization is
disabled if the system was initialized
before registration.
●
After ID code registration, the tires are
hot by driving. Initialize the tire pressure
warning system after the tires become
cold.
The tire pressure warning valve and
transmitter is equipped with a unique
ID code. When replacing a tire pres-
sure warning valve and transmitter, it is
necessary to register the ID code.
When registering the ID codes, per-
form the following procedure.
1
Turn the engine switch to ON.
2
Press
or
of the meter con-
trol switches and select
.
3
Press
or
of the meter con-
trol switches and select “Vehicle
Settings”, then press “OK”.
4
Press
or
of the meter con-
trol switches and select “TPWS
SET”, then press “OK”.
5
Press
or
of the meter con-
trol switches and select “Change
wheel set”. Then press and hold
“OK” until the tire pressure warn-
ing light starts blinking.
The change wheel set mode is activated
and registration is started.
A message is displayed on the multi-infor-
mation display, and “--” is displayed for
WARNING
■
When initializing the tire pressure
warning system
Do not initialize tire inflation pressure
without first adjusting the tire inflation
pressure 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 inflation pressure is actually nor-
mal.
Registering ID codes
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6-3. Do-it-yourself maintenance
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inflation pressure of each tire. Then, the tire
pressure warning light blinks rapidly for
approximately 1 minute and stays on.
6
Drive the vehicle at 25mph (40
km/h) or more for approximately
10 to 30 minutes.
When registration is completed, the tire
pressure warning light will go off and the
inflation pressure of each tire will be dis-
played on the multi-information display.
The time elapsed before registration is
completed differs according to the driving
condition and environment.
■
Canceling the change wheel set mode
●
If turning the engine switch off when in
the change wheel set mode before driv-
ing, the change wheel set mode is can-
celed.
●
After driving when in the change wheel
set mode, the change wheel set mode
cannot be canceled. To cancel the mode,
perform the procedure for ID code regis-
tration again and turn the engine switch
off before driving.
●
If the change wheel set mode is canceled,
the ID codes that have already been reg-
istered are communicated. When com-
munication is finished, the tire pressure
warning light will turn off.
■
When ID code registration may not
operate properly
●
Do not move the vehicle backward
during registration. Registration is started
again from the beginning and it may take
longer than usual.
●
When another vehicle is running the side
of the vehicle such as in heavy traffic, it
may take longer to detect the vehicle’s
tire pressure warning valves and trans-
mitters.
●
If tire pressure warning valves and trans-
mitters are in the vehicle, the ID codes
may not be registered.
If registration takes long time, perform the
procedure for ID code registration again
after parking the vehicle for 20 minutes.
If the ID codes cannot be registered even
when performing the above procedure,
contact your Lexus dealer.
284
6-3. Do-it-yourself maintenance
Stop the vehicle in a safe place on a
hard, flat surface.
Set the parking brake.
Shift the shift position to P.
Stop the engine.
■
Tools
As your vehicle is equipped with run-flat
tires, the following tools for replacing a tire
are not included with your vehicle. They can
be purchased at your Lexus dealer.
●
Wheel nut wrench
●
Jack
●
Jack handle
Screwdriver
Wheel nut wrench
*
Jack
*
Jack handle
*
Towing eyelet
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 replacement
seems difficult to perform, contact
your Lexus dealer.
Before jacking up the vehicle
Location of the tools
A
B
C
D
E
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6-3. Do-it-yourself maintenance
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*
: They can be purchased at your Lexus dealer.
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 jack is in
contact with the jack point.
The jack point guides are located under
WARNING
■
Using the tire jack
Observe the following precautions.
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 pur-
pose other than replacing tires.
●
Do not use other tire jacks for replac-
ing 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 supported by the
jack.
●
Do not start the engine or drive the
vehicle while the vehicle is supported
by the jack.
●
Do not raise the vehicle while some-
one 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 necessary 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 posi-
tions
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
A
286
6-3. Do-it-yourself maintenance
the rocker panel. They indicate 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 contact 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 tire and loosely tighten
each wheel nut by hand by approxi-
mately the same amount.
Turn the wheel nuts until the washers come
into contact with the disc wheel.
Disc wheel
Washer
WARNING
■
Replacing a tire
Do not touch the disc wheels or the area
around the brakes immediately 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
A
B
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6-3. Do-it-yourself maintenance
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3
Lower the vehicle.
4
Firmly tighten each wheel nut two
or three times in the order shown in
the illustration.
Tightening torque:
103.3 ft•lbf (140 N•m, 14.3 kgf•m)
5
Stow all the tools.
WARNING
■
When installing the tire
Failure to follow these precautions 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, 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, 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 103.3 ft•lbf (140
N•m, 14.3 kgf•m) soon as possible
after changing wheels.
●
Do not attach a heavily damaged
wheel ornament, as it may fly off the
wheel while the vehicle is moving.
●
When installing a tire, only use wheel
nuts that have been specifically
designed for that wheel.
●
If there are any cracks or deformations
in the bolt screws, nut threads or bolt
holes of the wheel, have the vehicle
inspected by your Lexus dealer.
■
After using the tools
Before driving, make sure all the tools
are stored securely in place. Failure to do
so may cause injury in case of a collision
or sudden braking.
NOTICE
■
Repairing or replacing tires, wheels,
tire pressure warning valves, trans-
mitters and tire valve caps
288
6-3. Do-it-yourself maintenance
The recommended cold tire inflation
pressure and tire size are displayed on
the tire and loading information label.
(
Tire valve
Tire pressure gauge
1
Remove the tire valve cap.
2
Press the tip of the tire pressure
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 inflation
pressure measurement and adjust-
ment, 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 pressure
every two weeks, or at least once a month.
Do not forget to check the spare.
■
Effects of incorrect tire inflation pres-
sure
Driving with incorrect tire inflation pressure
may result in the following:
●
Reduced fuel economy
●
Reduced driving comfort and poor han-
dling
●
Reduced tire life due to wear
●
Reduced safety
●
Damage to the drivetrain
If a tire needs frequent inflating, have it
checked by your Lexus dealer.
■
Instructions for checking tire inflation
pressure
When checking tire inflation pressure,
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
Tire inflation pressure
Checking the specified tire infla-
tion pressure
Inspection and adjustment pro-
cedure
A
B
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6-3. Do-it-yourself maintenance
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more than 1 mile or 1.5 km, you will get an
accurate cold tire inflation pressure read-
ing.
●
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 gener-
ated in the tire. Do not reduce tire infla-
tion pressure after driving.
●
Never exceed the vehicle capacity
weight.
Passengers and luggage weight should
be placed so that the vehicle 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 serious 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 dam-
age
●
Greater possibility of tire damage
while driving (due to road hazards,
expansion joints, sharp edges in the
road, etc.)
NOTICE
■
When inspecting and adjusting tire
inflation pressure
Be sure to put the tire valve caps back
on.
If a valve cap is not installed, dirt or mois-
ture may get into the valve and cause an
air leak, resulting in decreased tire infla-
tion pressure.
290
6-3. Do-it-yourself maintenance
When replacing wheels, care should
be taken to ensure that they are equiv-
alent to those removed in load capac-
ity, diameter, rim width and inset
*
.
Replacement wheels are available at
your Lexus dealer.
*
: Conventionally referred to as offset.
Lexus 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 trans-
mitters that allow the tire pressure warning
system to provide advance warning in the
event of a loss in tire inflation pressure.
Whenever wheels are replaced, tire pres-
sure warning valves and transmitters must
be installed. (
Use only Lexus wheel nuts and
wrenches designed for use with
your aluminum wheels.
When rotating, repairing or chang-
ing your tires, check that the wheel
nuts are still tight after driving 1000
miles (1600 km).
Use only Lexus genuine balance
weights or equivalent and a plastic
or rubber hammer when balancing
your wheels.
Wheels
If a wheel is bent, cracked or heav-
ily corroded, it should be replaced.
Otherwise, the tire may separate
from the wheel or cause a loss of
handling control.
Wheel selection
WARNING
■
When replacing wheels
●
Do not use wheels that are a different
size from those recommended 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.
■
Use of defective wheels prohibited
Do not use cracked or deformed wheels.
Doing so could cause the tire to leak air
during driving, possibly causing an acci-
dent.
NOTICE
■
Replacing tire pressure warning
valves and transmitters
●
Because tire repair or replacement
may affect the tire pressure warning
valves and transmitters, make sure to
have tires serviced by your Lexus
dealer or other qualified service shop.
In addition, make sure to purchase
your tire pressure warning valves and
transmitters at your Lexus dealer.
●
Ensure that only genuine Lexus wheels
are used on your vehicle.
Tire pressure warning valves and
transmitters may not work properly
with non-genuine wheels.
Aluminum wheel precautions
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6-3. Do-it-yourself maintenance
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1
Turn the engine switch off.
2
Open the glove box.
3
Remove the panel.
4
Unlock the filter cover (
), pull
the filter cover out of the claws
(
), and remove the filter cover.
5
Remove the filter case.
6
Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “
UP” marks shown on the filter and
the filter case should be pointing up.
■
Checking interval
Inspect and replace the air conditioning fil-
ter according to the maintenance schedule.
In dusty areas or areas with heavy traffic
flow, early replacement may be required.
(For scheduled maintenance information,
please refer to the “Owner’s Manual Sup-
plement” or “Scheduled Maintenance”.)
■
If air flow from the vents decreases dra-
matically
The filter may be clogged. Check the filter
and replace if necessary.
■
Air conditioning filter with deodorizing
function
When fragrances are placed in your vehi-
cle, the deodorizing effect may become sig-
nificantly weakened in a short period.
When an air conditioning odor comes out
continuously, replace the air conditioning
Air conditioning filter
The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.
Removing the air conditioning
filter
A
B
292
6-3. Do-it-yourself maintenance
filter.
■
If the electronic key battery is depleted
The following symptoms may occur:
●
The smart access system with push-but-
ton start and wireless remote control will
not function properly.
●
The operational range will be reduced.
■
When the card key battery needs to be
replaced (if equipped)
The battery for the card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.
Prepare the following before replacing
the battery:
Flathead screwdriver
Small flathead screwdriver
Lithium battery CR2032
■
Use a CR2032 lithium battery
●
Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
●
Replace only with the same or equivalent
type recommended by the manufacturer.
●
Dispose of used batteries according to
the local laws.
NOTICE
■
When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system with-
out a filter may cause damage to the sys-
tem.
■
To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fitting,
pay attention not to apply excessive
force to the claws. Otherwise, the claws
may be damaged.
Electronic key battery
Replace the battery with a new one
if it is depleted.
Items to prepare
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6-3. Do-it-yourself maintenance
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1
Take out the mechanical key.
2
Remove the cover.
To prevent damage to the key, wrap the tip
of the screwdriver with tape.
3
Remove the depleted battery using
a small flathead screwdriver.
Insert a new battery with the “+” terminal
facing up.
Replacing the battery
WARNING
■
Battery precautions
Observe the following precautions. Fail-
ure to do so may result in death or seri-
ous injury.
●
Do not swallow the battery. Doing so
may cause chemical burns.
●
A coin battery or button battery is
used in the electronic key. If a battery
is swallowed, it may cause severe
chemical burns in as little as 2 hours
and may result in death or serious
injury.
●
Keep away new and removed batter-
ies from children.
●
If the cover cannot be firmly closed,
stop using the electronic key and stow
the key in the place where children
cannot reach, and then contact your
Lexus dealer.
●
If you accidentally swallow a battery or
put a battery into a part of your body,
get emergency medical attention
immediately.
■
To prevent battery explosion or leak-
age of flammable liquid or gas
●
Replace the battery with a new battery
of the same type. If a wrong type of
battery is used, it may explode.
●
Do not expose batteries to extremely
low pressure due to high altitude or
extremely high temperatures.
●
Do not burn, break or cut a battery.
NOTICE
■
When replacing the battery
Use a screwdriver of appropriate size.
Applying excessive force may deform or
damage the cover.
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6-3. Do-it-yourself maintenance
1
Turn the engine switch off.
2
Open the Fuse box cover.
Engine compartment:
Push the tab in and lift the lid off.
Trunk
Remove the luggage mat.
Push the tab in and lift the lid off.
NOTICE
■
For normal operation after replacing
the battery
Observe the following precautions to
prevent accidents:
●
Always work with dry hands.
Moisture may cause the battery to
rust.
●
Do not touch or move any other com-
ponent inside the remote control.
●
Do not bend either of the battery ter-
minals.
Checking and replacing
fuses
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses
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6-3. Do-it-yourself maintenance
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Driver’s side instrument panel
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
Front passenger’s side instrument
panel
Remove the cover, and then remove the
footwell light connector.
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
3
Remove the fuse with the pullout
tool.
Only type A fuses can be removed using
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6-3. Do-it-yourself maintenance
the pullout tool.
4
Check if the fuse is blown.
Type A and B:
Replace the blown fuse with a new fuse of
an appropriate amperage rating. The
amperage rating can be found on the fuse
box lid.
Type C and D:
Contact your Lexus dealer.
Type A
Normal fuse
Blown fuse
Type B
Normal fuse
Blown fuse
Type C
Normal fuse
Blown fuse
Type D
Normal fuse
Blown fuse
■
After a fuse is replaced
●
When installing the lid, make sure that the
tab is installed securely.
●
If the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement. (
●
If the replaced fuse blows again, have the
vehicle inspected by your Lexus dealer.
■
If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
■
When replacing light bulbs
Lexus recommends that you use genuine
Lexus products designed for this vehicle.
A
B
A
B
A
B
A
B
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Because certain bulbs are connected to cir-
cuits designed to prevent overload, non-
genuine parts or parts not designed for this
vehicle may be unusable.
Adjustment bolt A
Adjustment bolt B
Make sure the vehicle has a full tank
of gasoline and the area around the
headlight is not deformed.
Park the vehicle on level ground.
Make sure the tire inflation pressure
is at the specified level.
Have someone sit in the driver’s
seat.
Bounce the vehicle several times.
WARNING
■
To prevent system breakdowns and
vehicle fire
Observe the following precautions.
Failure to do so may cause damage to
the vehicle, and possibly a fire or injury.
●
Never use a fuse of a higher amperage
rating than that indicated, or use any
other object in place of a fuse.
●
Always use a genuine Lexus fuse or
equivalent.
Never replace a fuse with a wire, even
as a temporary fix.
●
Do not modify the fuses or fuse boxes.
NOTICE
■
Before replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.
Headlight aim
Vertical movement adjusting
bolts
Before checking the headlight
aim
A
B
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