2020 LEXUS LX570 low

5457-2. Steps to take in an emergency
LX570_OM_OM60R61U_(U)
7
When trouble arises
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, and the
tire may come off the vehicle.
Install the spare tire and loosely
tighten each nut by hand to approxi-
mately the same amount.
Turn the nut washers until they come
into contact with the disc wheel.
Lower the vehicle.
Firmly tighten each nut two or three
times in the order shown in the illus-
tration.
Tightening torque:
97 ft•lbf (131 N•m, 13.4 kgf•m)
Installing the spare tire
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Disc wheel
Washer
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5477-2. Steps to take in an emergency
LX570_OM_OM60R61U_(U)
7
When trouble arises
Lay down the tire with the valve stem
facing up and install the spare wheel
cover.
Install the holding bracket, inserting
the claw into the wheel lug nut hole.
Turn the jack handle extension
clockwise to take up slack in the
chain.
Then, check to ensure the claw is in the
wheel lug nut hole and the holding
bracket is centered in the wheel hub.
Holding bracket
Claw
WARNING
■Stowing the flat tire
Failure to follow steps listed under stowing the tire may result in damage to the spare
tire carrier and loss of the tire, which co uld result in death or serious injury.
Stowing the flat tire, jack and all tools
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incorrect
correct
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5487-2. Steps to take in an emergency
LX570_OM_OM60R61U_(U)
Raise the tire.
While raising, secure the tire, taking
care that the tire goes straight up with-
out catching on any surrounding part, to
prevent it from flying forward during a
collision or sudden braking.
After the tire goes half way up, check
that the suspended chain is able to enter
the tire hole, for proper storage.
Tightening torque:
33.2 ft•lbf (45 N•m, 4.6 kgf•m)
Confirm that the tire is not loose
after tightening:Push and pull the tire
Try rotating
Visually check to ensure the tire is
not hung on surrounding parts.
If looseness or misassembly exists, repeat step and step .
Repeat step , any time the tire is lowered or disturbed.
Stow the tools and jack securely.
■After completing the tire change
The tire pressure warning system must be reset. ( P. 491)
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4
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NOTICE
■When stowing the flat tire
Ensure that there is no object caught between the tire and the vehicle underbody.
■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 trans-
mitter may be damaged if not handled correctly.
●Replace the grommets for the tire pressure warning valves and transmitters as well.
■To avoid damage to the tire pressure warning valves and transmitters
When a tire is repaired with liquid sealants, the tire pressure warning valve and trans-
mitter may not operate properly. If a liquid sealant is used, contact your Lexus dealer or
other qualified service shop as soon as possible. Make sure to replace the tire pressure
warning valve and transmitter when replacing the tire. ( P. 491)
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6

549
LX570_OM_OM60R61U_(U)
7
When trouble arises
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 following 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. 554)
●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. 550)
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.

5507-2. Steps to take in an emergency
LX570_OM_OM60R61U_(U)
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. (P. 554)
●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 follo wing steps can be used as an interim
measure to start the engine if the engine switch is functioning normally.
Set the parking brake.
Put the shift lever in P.
Set the engine switch to the ACCESSORY mode.
Push 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 mal-
functioning. Have the vehicle in spected by your Lexus dealer.
The starter motor does not turn over, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
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551
LX570_OM_OM60R61U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the electronic key does not operate properly
Use the mechanical key (P. 117) in
order to perform the following opera-
tions (driver’s door only):
Locks all the doors
Closes the windows and moon roof
*
(turn and hold)
Unlocks the doors
Turning the key rearward unlocks the
driver’s door. Turning the key once again
unlocks the other doors.
Opens the windows and moon roof* (turn and hold)
*: These settings must be cust omized at your Lexus dealer.
If communication between the electronic key and vehicle is interrupted
( P. 140) or the electronic key ca nnot 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 can be opened and
the engine can be started by following the procedure below.
Locking and unlocking the doors and key linked functions
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5537-2. Steps to take in an emergency
LX570_OM_OM60R61U_(U)
7
When trouble arises
WARNING
■When using the mechanical key and operating the power windows or moon roof
Operate the power window or moon roof afte r 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 op erate the mechanical key. It is possible for children and
other passengers to get caught in the power window or moon roof.

554
LX570_OM_OM60R61U_(U)7-2. Steps to take in an emergency
If the vehicle battery is discharged
If you have a set of jumper (or booster)
cables and a second vehicle with a 12-volt
battery, you can jump start your Lexus following the steps below.
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. ( P. 84)
Open the hood. Remove the engine compartment cover. ( P. 478)
Connect the jumper cables.
Positive (+) battery terminal on your vehicle
Positive (+) battery termin al on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in the illus-
tration.
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus dealer or qualified repair shop.
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