flat tire LEXUS LX570 2015 Owner's Guide

8245-1. Essential information
LX570_OM_OM60L96U_(U) If you think something is wrong If you notice any of the following sy mptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■ Visible symptoms
● Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gaug e needle continually points
higher than normal
● Engine oil pressure gauge continually points lower than normal.
● Voltmeter continually points higher or lower than normal.
■ Audible symptoms
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
● Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor

5
When trouble arises
8295-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Driver’s seat belt
reminder light
(warning buzzer)
* 2
Warns the driver to fasten
his/her seat belt. Fasten the seat belt.
(On the center
panel) Front passenger’s seat belt
reminder light
(warning buzzer)
* 2
Warns the front passenger to
fasten his/her seat belt. Fasten the seat belt.
Tire pressure warning light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (  P. 832)
• Flat tire (  P. 854) Adjust the tire inflation pres-
sure (including the spare tire)
to the specified level.
The light will turn off after a
few minutes. In case the light
does not turn off even if the
tire inflation pressure is
adjusted, have the system
checked by your Lexus
dealer.
When the light comes on after
blinking for 1 minute:
Malfunction in the tire pres-
sure warning system.
(  P. 834) Have the system checked by
your Lexus dealer.Warning light Warning light/Details Correction procedure

5
When trouble arises
8335-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
SRS warning light
This warning light system monitors the following: ●
The airbag sensor assembly ●
Front impact sensors ●
Side impact sensors (rear) ●
Side impact sensors (front door) ●
Safing sensor (rear) ●
The driver’s seat belt buckle switch ●
The driver’s seat position sensor ●
Front passenger’s seat belt buckle switch ●
The airbags ●
The interconnecting wiring and power sources ●
The front passenger occupa nt classification system●
“AIR BAG ON” and “AIR BAG OFF” indicator lights●
Seat belt pretensioners and force limiters ●
The “RSCA OFF” indicator light■
Changing the engine oil
Make sure to rese t oil change system■
When the tire pressure warning light comes on
Check the tire inflation pressure and adju st to the appropriate level. Pushing the
tire pressure warning reset sw itch does not turn off the tire pressure warning light.■
The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural
air leaks or tire inflation pressure change s caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light (after a few min-
utes).

8345-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
When a tire is replaced with a spare tire
The spare tire is also equipped with the tire pressure warning valve and transmitter.
The tire pressure warning light will turn on if the tire inflation pressure of the spare
tire is low. If a tire goes flat, even though the flat tire is replaced with the spare tire,
the tire pressure warning li ght does not turn off. Repl ace the spare tire with the
repaired tire and adjust the proper tire in flation pressure. The ti re pressure warning
light will turn off after a few minutes. ■
If the tire pressure warning system is inoperative
The tire pressure warning system will become inoperative in the following condi-
tions: (When the condition becomes norm al, the system will work properly.)●
If tires not equipped with ti re 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. ●
If the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm 2
or bar) or higher.
The tire pressure warning system may be disabled in the following conditions:
(When the condition becomes normal, the system will work properly.) ●
If electronic devices or facilities using similar radio wave frequencies are
nearby. ●
If a radio set at similar frequencies is in use in the vehicle. ●
If a window tint that affects the radio wave signals is installed. ●
If there is a lot of snow or ice on the ve hicle, in particular around the wheels or
wheel housings. ●
If non-genuine Lexus wheels are used. (Even if you use Lexus wheels, the tire
pressure warning system may not work properly with some types of tires.)●
If tire chains are used. ●
If the spare tire is in a location subject to poor radio wave signal reception. ●
If a large metallic object which can interfere with signal reception is put in the
luggage compartment.

5
When trouble arises
8355-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute
when the “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by Lexus dealer.
CAUTION■
If the tire pressure warning light comes on
Be sure to observe the following precauti ons. Failure to do so could cause loss of
vehicle control and result in death or serious injury. ●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately. ●
If the tire pressure warning light come s on even after tire inflation pressure
adjustment, it is probab le that you have a flat tire. Chec k the tires. If the tire is flat,
change to the spare tire and have the flat tire repaired by the nearest Lexus
dealer. ●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

8365-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) CAUTION■
Maintenance of the tires
Each tire, including the spare (if provided ), should be checked monthly when cold
and inflated to the inflation pressure recommended by the vehicle manufacturer on
the vehicle placard or tire inflation pressure label (tire and load information label).
(If your vehicle has tires of a different si ze than the size indi cated on the vehicle
placard or tire inflation pressure label [tire and load information label], you should
determine the proper tire inflati on pressure for those tires.)
As an added safety feature, your vehicl e has been equipped with a tire pressure
monitoring system (T PMS-tire pressure wa rning system) that illuminates a low tire
pressure telltale (tire pressure warning ligh t) when one or more of your tires is sig-
nificantly under-inflated. Acco rdingly, when the low tire pr essure telltale (tire pres-
sure warning light) illuminates, you shou ld stop and check your tires as soon as
possible, and inflate them to the proper pressure. Driving on a significantly under-
inflated tire causes the tire to overheat an d can lead to tire failure. Under-inflation
also reduces fuel efficiency and tire tread life, and may affect the vehicle’s handling
and stopping ability.
Please note that the TPMS (tire pressure warning system) is not a substitute for
proper tire maintenance, and it is the driver’s responsibility to maintain correct tire
pressure, even if under-inflation has not reached the level to trigger illumination of
the TPMS low tire pressure telltale (tire pressure warning light).

8445-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Warning message Details Correction procedure
Indicates that the auto-
matic transmission fluid
temperature is too high
A buzzer also sounds. Immediately stop the vehi-
cle in a safe place, shift the
shift lever to P and wait
until the light goes off.
If the light goes off, you
may start the vehicle
again. If the light does
not go off, contact your
Lexus dealer.
Indicates that the washer
fluid level is low Add washer fluid.
Low tire inflation pres-
sure Check the tire inflation
pressure, and adjust to the
appropriate level.

8545-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
Resetting the tire pressure warning data
After adjusting the tire inflation pressure, be sure to initialize the data. (  P. 768)
If the message remains on, the system may have malfunctioned. Have the vehicle
inspected by your Lexus dealer as soon as possible. ■
Warning message in vehicle-to-vehicle distance control mode of the dynamic
radar cruise cont rol (if equipped)
In the following cases, the warning message may not be displayed even if vehicle-
to-vehicle distance decreases: ●
When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle 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
NOTICE■
While the engine oil level warning is displayed
Continued engine operation with low engine oil will damage the engine.

5
When trouble arises
8555-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) If you have a flat tire Your vehicle is equipped with a spare ti re. The flat tire can be replaced with
the spare tire.
■ Before jacking up the vehicle
● Stop the vehicle on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to “P”.
● Turn off the 4-Wheel AHC. (  P. 320)
● Stop the engine.
● Turn on the emergency flashers.
■ Location of the spare tire, jack and tools
Jack Tool box
Spare tire

8605-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) Replacing a flat tire
Chock the tires.
Pry off the wheel ornament, using
the beveled end of the wheel orna-
ment remover as shown.STEP 1STEP 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 tireSTEP 2