2021 LEXUS LX570 engine

5277-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
7
When trouble arises
*1: Brake system warning buzzer: The buzzer sounds to indicate that the brake fluid level is low (with the vehicle
reached a speed of 3 mph [5 km/h]).
*2: Open door warning buzzer: The open door warning buzzer sounds to alert one or more of the doors is not fully
closed (with the vehicle having reached a speed of 3mph [5 km/h]).
*3: Driver’s seat belt warning buzzer:The driver’s seat belt warning buzzer sounds to alert the driver that his or her seat belt
is not fastened. Once the engine switch is turned to ON, the buzzer sounds. If the seat
belt is still unfastened, the buzzer sounds intermittently for a certain period of time
after the vehicle reaches a certain speed.
Front passenger’s seat belt warning buzzer:
The front passenger’s seat belt warning buzzer sounds to alert the front passenger
that his or her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds
intermittently for a certain pe riod of time after the vehicle reaches a certain speed.
*4: Parking brake engaged warning buzzer:
A buzzer sounds to indicate that the par king brake is still engaged (with the vehicle
having reached a speed of 3 mph [5 km/h]).
Brake system warning light Indicates a malfunction in the electric parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions

5287-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (rear), side imp act sensors (front door), safing sensor (rear), driver’s seat
belt buckle switch, driver’s se at position sensor, front passeng er’s seat belt buckle switch,
airbags, interconnecting wiring and power so urces, front passenger occupant classifica-
tion system, “AIR BAG ON” and “AIR BAG OFF” indicator lights, seat belt pretensioners
and force limiters. ( P. 38)
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sittin g in the seat.
●If a cushion is placed on the seat, the sens or may not detect a passenger, and the warn-
ing light may not operate properly.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fu el tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after severa l trips, contact your Lexus dealer as soon as
possible.
■If the low speed four-wheel driv e indicator light or the center differential lock indicator
light blinks
Take the specified steps. ( P. 312)
If the brake system warning light or the malf unction indicator light also comes on, or the
low speed four-wheel drive indicator light or the center differential lock indicator light
continues to blink afte r taking the specified steps, ther e may be a malfunction in the
engine, the brake system or the four-wheel dr ive system. In this case, you may not be able
to transfer between “H4” and “L4” modes, an d the center differential lock may not be
able to be locked or unlocked. Have the vehicle inspected by your Lexus dealer, immedi-
ately.

5297-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
7
When trouble arises
■When the tire pressure warning light comes on
Inspect the tires to check if a tire is punctured.
If a tire is punctured:  P. 536
If none of the tires are punctured:
Turn the engine switch off then turn it to IGNITION ON mode. Check if the tire pressure
warning light comes on or flashes.
If the tire pressure warning light comes on
After the temperature of the tires has lowere d sufficiently, check the inflation pressure
of each tire and adjust th em to the specified level.
If the warning light does not turn off even after several minutes have elapsed, check
that the inflation pressure of each tire is at the specified level and perform initialization.
(  P. 491)
If the tire pressure wa rning light blinks for 1 minute then stay on
There may be a malfunction in the tire pressure warning system. Have the vehicle
inspected by your Lexus dealer immediately.
■The tire pressure warning light may turn on due to natural causes
The tire pressure warning light may turn on du e to natural causes such as natural air leaks
or tire inflation pressure changes caused by temperature. In this case, adjusting the tire
inflation pressure will turn off the warning light (after a few minutes).
■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 tu rn 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 light does not turn off. Replace the spare tire with the repaired tire and adjust the
proper tire inflation pressure. The tire pressu re warning light will turn off after a few min-
utes.
■Conditions that the tire pressure wa rning system may not function properly
 P. 494
■Changing the engine oil
Make sure to reset oil change system
■Warning buzzer
In some cases, the buzzer ma y not be heard due to being in a noisy location or audio
sound.
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5347-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
■If “See Owner’s Manual” is shown
●If “Smart Access System Malfunction” is shown, this may be a malfunction.
Immediately have the vehicle inspected by your Lexus dealer.
●If “Transmission Fluid Temp High” is shown, it indicates that the automatic transmission
fluid temperature is too high.
Immediately stop the vehicle in a safe place, shift the shift lever to P and wait until the
warning message and light go off. If the warning message and light go off, you may
start the vehicle again. If the warning message and light do not go off, contact your
Lexus dealer.
■If “Shift to P Before Ex iting Vehicle” is shown
Message is displayed when the driver’s door is opened without turning the engine switch
to off with the shift lever in any position other than P.
Shift the shift lever to P.
■If “Power Turned Off to Save Battery” is shown
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 minu tes to recharge the battery.
■When a message that indicates the need for the shift lever operation is shown
To prevent the shift lever from being operat ed incorrectly or the vehicle from moving
unexpectedly, a message that re quires shifting the shift lever may be shown on the multi-
information display. In that case, follow the instruction of the message and shift the shift
lever.
■When “Headlight System Malfunction Visit Your Dealer” is displayed on the multi-
information display
The following systems may be malfunctioning. Have the vehicle inspected by your Lexus
dealer.
●The LED headlight system
●The automatic headlight leveling system
●Automatic High Beam
■If “Forward Camera System Unavailable” or “Forward Camera System Unavailable
Clean Windshield” is displayed (if equipped)
The following systems may be suspended until the problem shown in the message is
resolved. ( P. 267, 524)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●Dynamic radar cruise control with full-speed range
●Automatic High Beam
■If “Engine Oil Level Low” is shown
Indicates that engine oil level is low.
Check the level of engine oil, and add if necessary.
This message may appe ar if the vehicle is stopped on a slope.
Move the vehicle to a level surface and check to see if the message disappears.

5357-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
7
When trouble arises
■If a following message is shown, take appropriate action and confirm that the message
has disappeared. ( P. 314)
●“Crawl Not Available Select L4 an d Shift to [D] or [R] Position”
●“Crawl Not Available Check System Operation Conditions”
●“Turn Assist Function Not Available Check System Operation Conditions”
●“Turn Assist Function Not Available Activate Crawl Control”
■If “Maintenance Required Soon” is shown (U.S.A. only)
Indicates that all maintenance according to the driven distance on the maintenance
schedule
* should be performed soon.
Comes on approximately 4500 miles (7200 km) after the message has been reset.
If necessary, perform maintenance.
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual Supple-
ment” for the maintenance interval applicable to your vehicle.
■If “Maintenance Required Visit Your Dealer” is shown (U.S.A. only)
Indicates that all maintenance is required to correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles (8000 km) after the message has been reset.
(The indicator will not work properly unless the message has been reset.)
Perform the necessary maintenance. Please reset the message after the maintenance is
performed ( P. 469)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s Manual Supple-
ment” for the maintenance interval applicable to your vehicle.
■If “Oil Maintenance Required Soon” is shown
Indicates that the engine oil is scheduled to be changed. (The indicator will not work
properly unless the message has been reset.)
Check the engine oil, and change if necessary. After changing the engine oil, the mes-
sage should be reset. (P. 479)
■If “Oil Maintenance Required Visit Your Dealer” is shown
Indicates that the engine oil should be ch anged. (The indicator will not work properly
unless the message has been reset.)
Check and change the engine o il, and oil filter by your Lexus dealer. After changing the
engine oil, the messag e should be reset. (P. 479)
■If “Visit Your Dealer” is shown
The system or part shown on the multi-info rmation display is malfunctioning. Have the
vehicle inspected by your Lexus dealer immediately.
■Warning buzzer
In some cases, the buzzer ma y not be heard due to being in a noisy location or audio
sound.
NOTICE
■While the engine oil level warning is displayed
Continued engine operation with low engine oil will damage the engine.

536
LX570_OM_OM60T33U_(U)7-2. Steps to take in an emergency
If you have a flat tire
●Stop the vehicle in a safe pl
ace on a hard, flat surface.
●Set the parking brake.
●Shift the shift lever to “P”.
●Turn off the 4-Wheel AHC. ( P. 302)
●Stop the engine.
●Turn on the emergency flashers.
Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
For details about tires:  P. 490
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat ti re can damage the tire and the wheel beyond
repair, which could re sult in an accident.
Before jacking up the vehicle
Location of the spare tire, jack and tools
Jack
Spare tire Tool box1
2
3

5377-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
7
When trouble arises
WARNING
■Using the tire jack
Improper use of the tire jack may lead to death or serious injuries due to the vehicle
suddenly falling off the jack.
●Do not use the tire jack for any purpose ot her 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 no t use other tire jacks for replacing tires on
this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Be sure to turn off the 4-Wheel AHC and stop the engine.
●Do not put any part of your body under the vehicle supported by a jack.
●Do not start or run the engine while your vehicle is supported by the jack.
●Do not raise the vehicle while someone is in it.
●When raising the vehicle, do not pu t 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.
Take particular care when lowering the ve hicle to ensure that no one working on or
near the vehicle will be injured.
■Using the jack handle
Tighten all the jack handle bo lts securely using a Phillips-head screwdriver, to prevent
the extension parts from co ming apart unexpectedly.

548
LX570_OM_OM60T33U_(U)7-2. Steps to take in an emergency
If the engine will not start
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 follo
wing correct starting procedures.
( P. 211)
●There may be a malfunction in th e engine immobilizer system. (P. 80)
One of the following may be the cause of the problem:
●The battery may be discharged. ( P. 553)
●The battery terminal connections may be loose or corroded.
The engine starting system may be malfun ctioning due to an electrical problem
such as an open circuit or a blown fuse. However, an interim measure is available
to start the engine. ( P. 549)
If the engine will not start even though correct starting procedures are being
followed ( P. 211), consider each of the following points:
The engine will not start even when the starter motor operates nor-
mally.
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.