Lexus IS500 (2022 year). Manual in english — page 21
345
7-2. Steps to take in an emergency
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Turn the guide pin clockwise to tighten it
until it stops.
6
Remove all the wheel bolts 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 surfaces
and wheel bolts.
If foreign matter is on the wheel contact
surface, the wheel bolts may loosen while
the vehicle is in motion, causing the tire to
come off.
2
Align a wheel bolt hole on the spare
tire with the guide pin, and set the
spare tire on the guide pin.
Securely set the spare tire so that its wheel
is touching the contact surface.
3
Loosely tighten each wheel bolt by
hand or using a wheel bolt socket
.
Push the spare tire to prevent it from falling.
Do not use the wheel bolt socket for any-
thing other than loosely tightening the
wheel bolts by hand.
WARNING
■
Replacing a flat 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 spare tire
A
346
7-2. Steps to take in an emergency
4
Remove the guide pin and loosely
tighten the wheel bolt as in step
3
.
5
Lower the vehicle.
6
Firmly tighten each wheel bolt in
the order shown in the illustration
two or three times.
Tightening torque:
103 ft•lbf (140 N•m, 14.3 kgf•m)
7
Stow the flat tire, tire jack and all
tools.
■
The compact spare tire
●
The compact spare tire is identified by the
label “TEMPORARY USE ONLY” on
the tire sidewall.
●
Use the compact spare tire temporarily,
and only in an emergency.
●
Make sure to check the tire inflation pres-
sure of the compact spare tire. (
■
When using the compact spare tire
As the compact spare tire is not equipped
with a tire pressure warning valve and trans-
mitter, low inflation pressure of the spare
tire will not be indicated by the tire pressure
warning system. Also, if you replace the
compact spare tire after the tire pressure
warning light comes on, the light remains
on.
■
When the compact spare tire is
equipped
The vehicle becomes lower when driving
with the compact spare tire compared to
when driving with standard tires.
■
If you have a flat rear tire on a road cov-
ered with snow or ice (vehicles with
front and rear tires of the same size)
Install the compact spare tire on one of the
front wheels of the vehicle. Perform the fol-
lowing steps and fit tire chains to the rear
tires:
1
Replace a front tire with the compact
spare tire.
2
Replace the flat rear tire with the tire
removed from the front of the vehicle.
3
Fit tire chains to the rear tires.
WARNING
■
Installing the compact spare tire
Failure to follow these precautions could
cause the wheel bolts to loosen and the
tire to fall off, resulting in death or serious
injury.
347
7-2. Steps to take in an emergency
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WARNING
●
Never apply oil or grease to the wheel
bolts or their contact surface on the
wheel .
Doing so may cause the wheel bolts to
be tightened excessively, leading to
damage to the wheel bolts, the
threaded portion the wheel bolts install
to
, or the wheel.
Also, the wheel bolts may come loose,
possibly leading to the wheel coming
off, causing a serious accident.
If oil or grease is attached to either of
these parts, remove it.
Steel wheel
Aluminum wheel
●
When installing a wheel, use the same
wheel bolts that were removed with
the wheel. Also, do not use any wheel
bolts other than Lexus Genuine wheel
bolts.
●
Do not attach a heavily damaged
wheel ornament, as it may fly off the
wheel while the vehicle is moving.
●
If a wheel bolt hole in a wheel or the
threads of a wheel bolt or the wheel
hub are deformed, cracked, rusty or
otherwise damaged, have the vehicle
inspected by your Lexus dealer.
A
B
■
When tightening the wheel bolts
Do not tighten the wheel bolts exces-
sively. Doing so may cause the wheel
bolts, the threads of the wheel hub, or the
wheel to be damaged.
■
Guide pin
When removing or installing a tire, make
sure to use the guide pin.
Also, the guide pin is made of resin. It
may be damaged if the wheel is placed
anywhere other than
or if a large
amount of force is applied to the guide
pin.
■
When using the compact spare tire
●
Remember that the compact spare tire
provided is specifically designed for
use with your vehicle. Do not use your
compact spare tire on another vehicle.
●
Do not use more than one compact
spare tires simultaneously.
●
Replace the compact spare tire with a
standard tire as soon as possible.
●
Avoid sudden acceleration, abrupt
steering, sudden braking and shifting
operations that cause sudden engine
braking.
■
When the compact spare tire is
attached
The vehicle speed may not be correctly
detected, and the following systems may
not operate correctly:
• ABS & Brake assist
• VSC
• TRAC
A
348
7-2. Steps to take in an emergency
WARNING
• Dynamic radar cruise control with
full-speed range
• PCS
• EPS
• Tire pressure warning system
• Adaptive Variable Suspension System
(if equipped)
• LTA (Lane Tracing Assist)
• Lexus parking assist monitor (if
equipped)
• Panoramic view monitor (if equipped)
• Intuitive parking assist (if equipped)
• PKSB (Parking Support Brake) (if
equipped)
• BSM (Blind Spot Monitor)
• Navigation system (if equipped)
Also, not only can the following system
not be utilized fully, but it may even nega-
tively affect the drive-train components:
• AWD system
■
Speed limit when using the compact
spare tire
Do not drive at speeds in excess of 50
mph (80 km/h) when a compact spare
tire is installed on the vehicle.
The compact spare tire is not designed
for driving at high speeds. Failure to
observe this precaution may lead to an
accident causing death or serious injury.
■
After using the tools and jack
Before driving, make sure all the tools
and jack are securely in place in their
storage location to reduce the possibility
of personal injury during a collision or
sudden braking.
NOTICE
■
Be careful when driving over bumps
with the compact spare tire installed
on the vehicle
When driving with the compact spare
tire installed, the vehicle height will be
different than when driving with standard
tires. Be careful when driving over
uneven road surfaces, etc.
■
Driving with tire chains and the com-
pact spare tire
Do not fit tire chains to the compact
spare tire.
Tire chains may damage the vehicle body
and adversely affect driving perfor-
mance.
■
When replacing the tires
When removing or fitting the wheels,
tires or the tire pressure warning valve
and transmitter, contact your Lexus
dealer as the tire pressure warning valve
and transmitter may be damaged if not
handled correctly.
349
7-2. Steps to take in an emergency
7
When trouble
ari
ses
One of the following may be the cause
of the problem:
There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle.
The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
(
There may be a malfunction in the
engine immobilizer system.
(
One of the following may be the cause
of the problem:
The battery may be discharged.
(
The battery terminal connections
may be loose or corroded.
(
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine. (
One of the following may be the cause
of the problem:
One or both of the battery terminals
may be disconnected. (
The battery may be discharged.
(
There may be a malfunction in the
steering lock system.
Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally:
1
Push the parking brake switch to
check that the parking brake is set.
(
Parking brake indicator will come on.
If the engine will not start
If the engine will not start even
though correct starting procedures
are being followed (
sider each of the following points:
The engine will not start even
though the starter motor oper-
ates normally.
The starter motor turns over
slowly, the interior lights and
headlights are dim, or the horn
does not sound or sounds at a low
volume.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the engine in an emer-
gency
350
7-2. Steps to take in an emergency
2
Shift the shift lever to P.
3
Turn the engine switch to ACCES-
SORY mode.
4
Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by your Lexus dealer.
If you lose your keys
New genuine mechanical keys can
be made by your Lexus dealer using
another mechanical key and the
key number stamped on your key
number plate.
Keep the plate in a safe place such
as your wallet, not in the vehicle.
NOTICE
■
When an electronic key is lost
If the electronic key remains lost, the risk
of vehicle theft increases significantly.
Visit your Lexus dealer immediately with
all remaining electronic keys and the
card key that were provided with your
vehicle.
351
7-2. Steps to take in an emergency
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Remove the cover inside the trunk and
pull the lever.
■
When the electronic key does not work
properly
●
Make sure that the smart access system
with push-button start has not been deac-
tivated in the customization setting. If it is
off, turn the function on.
●
Check if battery-saving mode is set. If it is
set, cancel the function. (
■
Doors
Use the mechanical key (
order to perform the following opera-
tions:
If the fuel filler door cannot
be opened
If the fuel filler door cannot be
opened by pressing the center of
the rear edge of the fuel filler door
with the doors unlocked, the follow-
ing procedure can be used to open
the fuel filler door.
Opening the fuel filler door
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted (
P.98) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the engine can be started by follow-
ing the procedure below.
NOTICE
■
In case of a smart access system with
push-button start malfunction or
other key-related problems
Take your vehicle with all the electronic
keys provided with your vehicle to your
Lexus dealer.
Locking and unlocking the
doors, unlocking the trunk
352
7-2. Steps to take in an emergency
1
Locks all the doors
2
Unlocks the door
Turning the key rearward unlocks the
driver’s door. Turning the key once again
within 5 seconds unlocks the other doors.
■
Trunk
Turn the mechanical key clockwise to
open. (
■
Key linked functions
1
Closes the windows and moon roof
(turn and hold)
*
2
Opens the windows and moon roof
(turn and hold)
*
*
: This setting must be customized at your
Lexus dealer.
1
Ensure that the shift lever is in P and
depress the brake pedal.
2
Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch will
turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in custom-
ization setting, the engine switch will turn
to ACCESSORY mode.
3
Firmly depress the brake pedal and
check that
is shown on the
multi-information display.
4
Press the engine switch.
In the event that the engine still cannot
WARNING
■
When using the mechanical key and
operating the power windows or
moon roof
Operate the power window or moon
roof after checking to make sure that
there is no possibility of any passenger
having any of their body parts caught in
the window or moon roof.
Also, do not allow children to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or moon roof.
Starting the engine
353
7-2. Steps to take in an emergency
7
When trouble
ari
ses
be started, contact your Lexus dealer.
■
Stopping the engine
Shift the shift lever to P and press the engine
switch as you normally do when stopping
the engine.
■
Replacing the key battery
As the above procedure is a temporary
measure, it is recommended that the elec-
tronic key battery be replaced immediately
when the battery is depleted. (
■
Changing engine switch modes
Release the brake pedal and press the
engine switch in step
3
above. The engine
does not start and modes will be changed
each time the switch is pressed. (
If the vehicle battery is dis-
charged
The following procedures may be
used to start the engine if the vehi-
cle’s battery is discharged.
You can also call your Lexus dealer
or a qualified repair shop.
354
7-2. Steps to take in an emergency
If you have a set of jumper (or booster)
cables and a second vehicle with a
12-volt battery, you can jump start your
vehicle by following the steps below.
1
Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked.
(
2
Open the hood. (
3
IS500:Remove the engine cover.
Raise the rear of the engine cover
to remove the rear clip, and then
raise the front of the engine cover
to remove the front clips.
4
Connect a positive jumper cable clamp to on your vehicle and connect the
clamp on the other end of the positive cable to on the second vehicle. Then,
connect a negative cable clamp to on the second vehicle and connect the
clamp at the other end of the negative cable to .
IS350 AWD/IS350/IS300 AWD
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the battery and any mov-
Restarting the engine
A
B
C
D
A
B
C
D
355
7-2. Steps to take in an emergency
7
When trouble
ari
ses
ing parts as shown in the illustration
IS300
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the battery and any mov-
ing parts as shown in the illustration
IS500
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the exclusive jump starting
terminal and any moving parts as shown in the illustration
5
Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the battery of your vehi-
cle.
A
B
C
D
A
B
C
D
356
7-2. Steps to take in an emergency
6
Open and close any of the doors of
your vehicle with the engine switch
off.
7
Maintain the engine speed of the
second vehicle and start the engine
of your vehicle by turning the
engine switch to IGNITION ON
mode.
8
Once the vehicle’s engine has
started, remove the jumper cables
in the exact reverse order from
which they were connected.
Once the engine starts, have the vehi-
cle inspected at your Lexus dealer as
soon as possible.
■
Starting the engine when the battery is
discharged
The engine cannot be started by push-start-
ing.
■
To prevent battery discharge
●
Turn off the headlights and the audio sys-
tem while the engine is off.
●
Turn off any unnecessary electrical com-
ponents when the vehicle is running at a
low speed for an extended period, such
as in heavy traffic.
■
Charging the battery
The electricity stored in the battery will dis-
charge gradually even when the vehicle is
not in use, due to natural discharge and the
draining effects of certain electrical appli-
ances. If the vehicle is left for a long time,
the battery may discharge, and the engine
may be unable to start. (The battery
recharges automatically during driving.)
■
When recharging or replacing the bat-
tery
●
In some cases, it may not be possible to
unlock the doors using the smart access
system with push-button start when the
battery is discharged. Use the wireless
remote control or the mechanical key to
lock or unlock the doors.
●
The engine may not start on the first
attempt after the battery has recharged
but will start normally after the second
attempt. This is not a malfunction.
●
The engine switch mode is memorized by
the vehicle. When the battery is recon-
nected, the system will return to the
mode it was in before the battery was dis-
charged. Before disconnecting the bat-
tery, turn the engine switch off. If you are
unsure what mode the engine switch was
in before the battery discharged, be
especially careful when reconnecting the
battery.
WARNING
■
Avoiding battery fires or explosions
Observe the following precautions to
prevent accidentally igniting the flamma-
ble gas that may be emitted from the bat-
tery:
●
Make sure each jumper cable is con-
nected to the correct terminal and that
it is not unintentionally in contact with
any other than the intended terminal.
●
Do not allow the other end of the
jumper cable connected to the “+” ter-
minal to come into contact with any
other parts or metal surfaces in the
area, such as brackets or unpainted
metal.
●
Do not allow the + and - clamps of the
jumper cables to come into contact
with each other.
●
Do not smoke, use matches, cigarette
lighters or allow open flame near the
battery.
■
Battery precautions
The battery contains poisonous and cor-
rosive acidic electrolyte, while related
parts contain lead and lead compounds.
Observe the following precautions when
handling the battery:
357
7-2. Steps to take in an emergency
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1
Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the engine.
2
If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3
After the engine has cooled down
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
WARNING
●
When working with the battery, always
wear safety glasses and take care not
to allow any battery fluids (acid) to
come into contact with skin, clothing
or the vehicle body.
●
Do not lean over the battery.
●
In the event that battery fluid comes
into contact with the skin or eyes,
immediately wash the affected area
with water and seek medical attention.
Place a wet sponge or cloth over the
affected area until medical attention
can be received.
●
Always wash your hands after handling
the battery support, terminals, and
other battery-related parts.
●
Do not allow children near the battery.
NOTICE
■
When handling jumper cables
When connecting the jumper cables,
ensure that they do not become entan-
gled in the cooling fans or engine drive
belt.
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
The needle of the engine coolant
temperature gauge (
enters the red zone or a loss of
engine power is experienced.
(For example, the vehicle speed
does not increase.)
“Engine Coolant Temp High Stop
in a Safe Place See Owner’s
Manual” is shown on the
multi-information display.
Steam comes out from under the
hood.
Correction procedures
358
7-2. Steps to take in an emergency
IS350 AWD/IS350/IS300
AWD/IS300
IS500
Radiator
Cooling fans
If a large amount of coolant leaks, immedi-
ately contact your Lexus dealer.
4
The coolant level is satisfactory if it
is between the “FULL” or “F” and
“LOW” or “L” lines on the reservoir.
Engine (IS350
AWD/IS350/IS300 AWD)
Reservoir cap
“FULL” line
“LOW” line
Engine (IS300)
Reservoir cap
“FULL” line
“LOW” line
Engine (IS500)
Reservoir cap
“FULL” line
“LOW” line
A
B
A
B
C
A
B
C
A
B
C
359
7-2. Steps to take in an emergency
7
When trouble
ari
ses
Intercooler (IS300)
Reservoir cap
“F” line
“L” line
5
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Engine (IS350
AWD/IS350/IS300 AWD)
Engine (IS300)
Engine (IS500)
Intercooler (IS300)
6
Start the engine and turn the air
conditioning system on to check
that the radiator cooling fans oper-
ate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning
system is turned on immediately after a
cold start. Confirm that the fans are oper-
ating by checking the fan sound and air
flow. If it is difficult to check these, turn the
air conditioning system on and off repeat-
edly. (The fans may not operate in freezing
temperatures.)
7
If the fans are not operating:
Stop the engine immediately and
contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the
nearest Lexus dealer.
8
Check if “Engine Coolant Temp
High Stop in a Safe Place See
Owner’s Manual” is shown on the
A
B
C
360
7-2. Steps to take in an emergency
multi-information display.
If the message does not disappear:
Stop the engine and contact your
Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the
nearest Lexus dealer.
WARNING
■
When inspecting under the hood of
your vehicle
Observe the following precautions.
Failure to do so may result in serious
injury such as burns.
●
If steam is seen coming from under the
hood, do not open the hood until the
steam has subsided. The engine com-
partment may be very hot.
●
Keep hands and clothing (especially a
tie, a scarf or a muffler) away from the
fans and belts.
Failure to do so may cause the hands
or clothing to be caught, resulting in
serious injury.
●
IS350 AWD/IS350/IS300 AWD:
Do not loosen the coolant inlet cap or
coolant reservoir cap while the engine
and radiator are hot. (The coolant inlet
cap is located under the engine cover.)
High temperature steam or coolant
could spray out.
●
IS300: Do not loosen the coolant inlet
cap, coolant reservoir cap, or inter-
cooler reservoir cap while the engine
and radiator are hot. High tempera-
ture steam or coolant could spray out.
●
IS500: Do not loosen the coolant inlet
cap or coolant reservoir cap while the
engine and radiator are hot. High tem-
perature steam or coolant could spray
out.
NOTICE
■
When adding engine coolant
Add coolant slowly after the engine has
cooled down sufficiently. Adding cool
coolant to a hot engine too quickly can
cause damage to the engine.
■
To prevent damage to the cooling sys-
tem
Observe the following precautions:
●
Avoid contaminating the coolant with
foreign matter (such as sand or dust
etc.).
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