Page 625 of 708
6257-2. Steps to take in an emergency
7
When trouble arises
LS460/LS460L_GE (OM50G06E)
Remove any dirt or foreign mat-
ter from the wheel contact sur-
face.
If foreign matter is on the wheel con-
tact 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 approximately the same
amount.
Turn the wheel nuts until the washers
come into contact with the disc wheel.
Lower the vehicle.
Firmly tighten each wheel nut two
or three times in the order shown
in the illustration.
Tightening torque:
140 N•m (14.3 kgf•m, 103 ft•lbf)
Installing the spare tire
1
Disc wheel
Washer
2
3
4
Page 626 of 708

6267-2. Steps to take in an emergency
LS460/LS460L_GE (OM50G06E)
Reinstall the wheel ornament.
Stow the flat tire, tire jack and all tools.
5
CAUTION
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their stor-
age location to reduce the possibility of personal injury during a collision or sudden
braking.
NOTICE
■When replacing the tires (vehicles with the tire pressure warning system)
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.
■To avoid damage to the tire pressure wa rning valves and transmitters (vehicles
with the tire pressure warning system)
When a tire is repaired with liquid sealants, the tire pressure warning valve and
transmitter 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. 558)
6
Page 627 of 708

6277-2. Steps to take in an emergency
7
When trouble arises
LS460/LS460L_GE (OM50G06E)
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. 259)
●There may be a malfunction in the engine immobilizer system.
( P. 104)
One of the following may be the cause of the problem:
●The battery may be discharged. ( P. 636)
●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. How-
ever, an interim measure is available to start the engine. ( P. 627)
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed ( P. 259), consider each of the following points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
The starter motor does not turn over
Page 628 of 708

6287-2. Steps to take in an emergency
LS460/LS460L_GE (OM50G06E)
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. 636)
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if repair proce-
dures 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:
Turn the engine switch to IGNITION ON mode ( P. 260) and check
that the parking brake is set.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depress-
ing 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.
The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4
Page 629 of 708
6297-2. Steps to take in an emergency
7
When trouble arises
LS460/LS460L_GE (OM50G06E)
●Shift the shift lever to P.
●Turn the engine switch off.
●Check that the parking brake indicator is off.
●Chock the tires.
Take out the parking brake release tool and the screwdriver from the
trunk. ( P. 619)
Replace the screwdriver head
with the parking brake release
tool.
Take out the spare tire. ( P. 622)
If the parking brake cannot be released
In the event that the battery is discharged or switch operation does not
release the parking brake, the parking brake can be released manually
using the procedure below. This pro cedure should be performed only if
necessary, such as in an emergency.
If the switch cannot be operated even when the battery is normal, the
parking brake system may be malfunctioning. Have the vehicle
inspected by your Lexus dealer immediately.
Before releasing the parking brake manually
Releasing the parking brake manually
1
2
3
Page 630 of 708
6307-2. Steps to take in an emergency
LS460/LS460L_GE (OM50G06E)
Remove the plug.
Insert the tool and press it down
firmly while turning it counter-
clockwise until it stops.
■Manual operation of the parking brake
The parking brake cannot be set manually.
4
5
CAUTION
■When releasing the parking brake manually
●Shift the shift lever to P, turn the engine switch off and chock the tires.
Failure to do so may cause the vehicle to move, resulting in an accident.
●Turn the engine switch off and check that the parking brake indicator is off.
Failure to do so may cause the system to operate and turn the inserted parking
brake release tool, resulting in an injury.
Page 631 of 708
6317-2. Steps to take in an emergency
7
When trouble arises
LS460/LS460L_GE (OM50G06E)
Use the mechanical key built in to the electronic keys to operate the
doors. ( P. 145)
On some models: An alarm will sound if the alarm is set when the trunk or doors
are unlocked. ( P. 112)
■Doors
Remove the cover on the
driver’s door handle.
If the electronic key does not operate properly
If communication between the electronic key and vehicle is inter-
rupted ( P. 163) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireless remote
control cannot be used. In such cases, the doors and trunk can be
opened and the engine can be started by following the procedure
below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
1
Page 632 of 708
6327-2. Steps to take in an emergency
LS460/LS460L_GE (OM50G06E)
Locks and unlocks the doors
Locks all the doors
Closes the windows and
moon roof*1 (turn and hold)
Unlocks the door*2
Turning the key rearward
unlocks the driver’s door. Turn-
ing the key once again unlocks
the other doors.
Unlocks all doors*3
Opens the windows and
moon roof*1 (turn and hold)
*1: If equipped
*2:For USF40L-AEZGHA,
USF45L-AEZGHA, USF41L-
AEZGHA, USF40L-AEZGHV,
USF41L-AEZGHV and
USF41L-AEZGKV models
*3: Except for USF40L-AEZGHA,
USF45L-AEZGHA, USF41L-
AEZGHA, USF40L-AEZGHV,
USF41L-AEZGHV and
USF41L-AEZGKV models
The model code is indicated on
the manufacturer’s label.
( P. 650)
2
1
2
3
4