LEXUS IS 350 (2019 year). Instruction — part 35
552
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
■
Warning messages
The warning message illustrations used are intended as examples, and may differ from
the image that is actually displayed on the multi-information display.
■
Warning message in radar cruise mode
In the following cases, the warning message may not be displayed even if vehicle-to-vehi-
cle distance decreases:
●
When your vehicle and the vehicle ahead are traveling at the same speed or the vehi-
cle ahead is traveling more quickly than your vehicle
●
When the vehicle ahead is traveling at a very low speed
●
Immediately after cruise control speed is set
●
At the instant the accelerator pedal is depressed
■
The LDA (Lane Departure Alert with steering control) lane departure warning func-
tion
In the following situations, the warning message will not be displayed even if a lane line is
crossed.
●
When the vehicle speed deviates from the operating range of the LDA system func-
tions (
●
When the lane lines cannot be recognized (
■
Resetting the message indicating maintenance is required (if equipped)
Make sure to reset the oil change system. (
■
Conditions that the tire pressure warning system may not function properly
P. 490
■
Warning buzzer
P. 529
553
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
Interior
buzzer
Exterior
buzzer
Warning message
Details/Actions
Con-
tinuous
The driver’s door was opened when
the shift lever was not in P and the
engine switch was not turned off.
Shift the shift lever to P.
Con-
tinuous
Con-
tinuous
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
not in P and the engine switch was
not turned off.
Shift the shift lever to P.
Bring the electronic key back
into the vehicle.
Once
The electronic key is not detected
when an attempt is made to start the
engine.
Start the engine with the elec-
tronic key present.
(Flashes)
(Displayed alternately)
(Flashes)
554
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
Once
Con-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the engine switch off when the shift
lever was in P.
Turn the engine switch off and
lock the doors again.
Once
3 times
The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the engine switch
was in a mode other than off.
Bring the electronic key back
into the vehicle.
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
in P and the engine switch was not
turned off.
Turn the engine switch off.
Bring the electronic key back
into the vehicle.
9 times
An attempt was made to drive when
the electronic key was not inside the
vehicle.
Confirm that the electronic key
is inside the vehicle.
Interior
buzzer
Exterior
buzzer
Warning message
Details/Actions
(Displayed alternately)
(Flashes)
555
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
Con-
tinuous
An attempt was made to lock the
doors using the smart access system
with push-button start while the
electronic key was still inside the
vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
Once
Con-
tinuous
An attempt was made to lock either
front door by opening a door and
putting the inside lock button into
the lock position, then closing the
door with the electronic key still
inside the vehicle.
Retrieve the electronic key
from the vehicle and lock the
doors again.
Once
The electronic key has a low battery.
Replace the electronic key bat-
tery. (
Once
The steering lock could not be
released within 3 seconds of the
engine switch being pressed.
Press the engine switch while
depressing the brake pedal and
moving the steering wheel left
and right.
Interior
buzzer
Exterior
buzzer
Warning message
Details/Actions
(Flashes)
556
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
Once
• When the doors were unlocked
with the mechanical key and then
the engine switch was pressed,
the electronic key could not be
detected in the vehicle.
• The electronic key could not be
detected in the vehicle even after
the engine switch was pressed
two consecutive times.
Touch the electronic key to the
engine switch while depressing
the brake pedal.
Once
During an engine starting proce-
dure in the event that the electronic
key was not functioning properly
(
P. 573), the engine switch was
touched with the electronic key.
Press the engine switch within
10 seconds of the buzzer sound-
ing.
Indicates that:
• With the engine switch off, the
doors were unlocked and then the
driver's door was opened and
closed.
• The engine switch was turned to
ACCESSORY mode without
starting the engine.
• The shift lever was shifted to P or
N from another shift position with
the engine switch in IGNITION
ON mode.
Press the engine switch while
depressing the brake pedal.
Interior
buzzer
Exterior
buzzer
Warning message
Details/Actions
557
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
Once
The engine switch has been turned
off with the shift lever in a position
other than P or N.
Shift the shift lever to P.
Once
After the engine switch has been
turned off with the shift lever in a
position other than P, the shift lever
has been shifted to P.
Turn the engine switch off.
Power was turned off due to the
automatic power off function.
Next time when starting the
engine, increase the engine
speed slightly and maintain that
level for approximately 5 min-
utes to recharge the battery.
Con-
tinuous
Indicates that the engine was
stopped in an emergency while driv-
ing
To restart the engine, shift the
shift lever to N and turn the
engine switch to IGNITION
ON mode.
*
Interior
buzzer
Exterior
buzzer
Warning message
Details/Actions
(Flashes)
(Flashes)
(Flashes)
558
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
*
: The engine may not be restarted depending on the vehicle condition.
■
Warning messages
P. 552
■
Warning buzzer
P. 529
Once
Indicates that the engine switch has
been pressed while driving
Except when emergency stop-
ping of the vehicle is needed,
immediately release the engine
switch.
Interior
buzzer
Exterior
buzzer
Warning message
Details/Actions
(Flashes)
559
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
●
Stop the vehicle in a safe place on a hard, flat surface.
●
Set the parking brake.
●
Shift the shift lever to P.
●
Stop the engine.
●
Turn on the emergency flashers. (
If you have a flat tire
Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
For details about tires:
WARNING
■
If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel beyond
repair, which could result in an accident.
Before jacking up the vehicle
560
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
Location of the spare tire, jack and tools
Jack handle
Screwdriver
Wheel nut wrench
Towing eyelet
Spare tire
Jack
1
2
3
4
5
6
561
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
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 purpose other than replacing tires or installing and
removing tire chains.
●
Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do not use other tire jacks for replacing tires on
this 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 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 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.
562
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
Remove the luggage mat.
Take out the jack handle from the
reverse side of the luggage mat.
Remove the spacer.
Take out the jack.
For tightening
For loosening
If the jack is too tightly installed to be
removed by hand, insert a tool, such
as the screwdriver included with the
vehicle, into the hole of the jack (por-
tion “A”) and loosen the jack.
Taking out the jack and jack handle
1
2
3
1
2
563
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
Remove the luggage mat.
Remove the spacer and tool tray.
Loosen the center fastener that
secures the spare tire.
If the center fastener cannot be turned
by hand, use the wheel nut wrench that
is stored in the trunk. (To secure the tire,
tighten the center fastener by hand. Do
not use the wrench or other tools.)
Taking out the spare tire
1
2
3
WARNING
■
When storing the spare tire
Be careful not to catch fingers or other body parts between the spare tire and the body
of the vehicle.
564
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
Chock the tires.
Slightly loosen the wheel nuts (one
turn).
Turn the tire jack portion “A” by hand
until the notch of the jack is in con-
tact with the jack point.
The jack point guides are located under
the rocker panel. They indicate the jack
point positions.
Replacing a flat tire
1
Flat tire
Wheel chock positions
Front
Left-hand side
Behind the rear right-hand side tire
Right-hand side
Behind the rear left-hand side tire
Rear
Left-hand side
In front of the front right-hand side tire
Right-hand side
In front of the front left-hand side tire
2
3
565
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
Raise the vehicle until the tire is
slightly raised off the ground.
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.
4
5
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.
●
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, 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 76 ft•lbf (103 N•m,
10.5 kgf•m) as 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.
566
8-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
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.
Install the spare tire and loosely tighten each wheel nut by hand by approxi-
mately the same amount.
When replacing an aluminum wheel
with a steel wheel, tighten the wheel
nuts until the tapered portion comes
into loose contact with the disc
wheel seat.
Lower the vehicle.
Firmly tighten each wheel nut two or
three times in the order shown in the
illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Stow the flat tire, tire jack and all tools.
Installing the spare tire
1
2
Tapered portion
Disc wheel
seat
3
4
5
567
8-2. Steps to take in an emergency
8
When trouble
ari
ses
IS350 AWD/IS350/IS300 AWD/IS300_U
■
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 pressure 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 warn-
ing 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 covered 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:
Replace a front tire with the compact spare tire.
Replace the flat rear tire with the tire removed from the front of the vehicle.
Fit tire chains to the rear tires.
1
2
3
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