2018 LEXUS LS500 immobilizer

2
LS500_OM_OM50F54U_(U) TABLE OF CONTENTS
For your information ...................................... 6
Reading this manual .................................... 10
How to search ................................................. 11
Pictorial index ................................................. 12
1-1. For safe use
Before driving .................................... 22
For safe driving.................................. 23
Seat belts ............................................. 24
SRS airbags ........................................ 29
Pop Up Hood ................................... 38
Front passenger occupant classifi-
cation system ................................. 40
Exhaust gas precautions .............. 44
1-2. Child safety
Riding with children........................ 45
Child restraint systems ................. 45
1-3. Theft deterrent system
Engine immobilizer system ......... 58
Alarm.................................................... 60
2-1. Instrument cluster
Warning lights and indicators .... 64
Gauges and meters (except F
SPORT models) ........................... 69
Gauges and meters (F SPORT
models) .............................................. 72
Multi-information display............. 76
Head-up display .............................. 83
Fuel consumption information ... 87 3-1. Key information
Keys ....................................................... 92
3-2. Opening, closing and locking the
doors and trunk
Doors .................................................... 96
Trunk .................................................. 100
Smart access system with push-but-
ton start .......................................... 107
3-3. Adjusting the seats
Front seats.......................................... 116
Power rear seat .............................. 123
Driving position memory ............ 127
Rear seat position memory......... 131
Head restraints ............................... 132
3-4. Adjusting the steering wheel and
mirrors
Steering wheel ............................... 135
Inside rear view mirror ............... 136
Outside rear view mirrors.......... 137
3-5. Opening, closing the windows and
moon roof
Power windows ............................. 139
Moon roof ......................................... 142
Panoramic moon roof .................. 144
4-1. Before driving
Driving the vehicle........................ 150
Cargo and luggage...................... 156
Vehicle load limits......................... 158
Trailer towing.................................. 159
Dinghy towing ................................ 1591
For safety and security
2
Vehicle status information and
indicators 3
Before driving
4
Driving

21
LS500_OM_OM50F54U_(U) 1 1
For safety and security For safety and security .
1-1. For safe use
Before driving ................................. 22
For safe driving.............................. 23
Seat belts .......................................... 24
SRS airbags .................................... 29
Pop Up Hood ................................ 38
Front passenger occupant classifi-
cation system .............................. 40
Exhaust gas precautions ........... 44
1-2. Child safety
Riding with children..................... 45
Child restraint systems .............. 45
1-3. Theft deterrent system
Engine immobilizer system ...... 58
Alarm................................................. 60

58 1-3. Theft deterrent system
LS500_OM_OM50F54U_(U) 1-3.Theft deterrent system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled. ■
System maintenance
The vehicle has a maintenance-free type
engine immobilizer system. ■
Conditions that may cause the system to
malfunction ●
If the grip portion of the key is in contact
with a metallic object ●
If the key is in close proximity to or touch-
ing a key to the security system (key with
a built-in transponder chip) of another
vehicle
■
Certification for the en gine immobilizer system
For vehicles sold in the U.S.A. , Hawaii, Guam and Puerto RicoEngine immobilizer system The vehicle’s keys have built-in tran-
sponder chips that prevent the
engine from starting if a key has not
been previously registered in the
vehicle’s on-board computer.
Never leave the keys inside the
vehicle when you leave the vehicle.
This system is designed to help pre-
vent vehicle theft but does not
guarantee absolute security
against all vehicle thefts.
Operating the system

108 3-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) ●
When an interior alarm sounds continu-
ously
■
If “Key Detected in Vehicle” is shown on
the multi-inform ation display
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.
■
Battery-saving function
The battery-saving fu nction will be acti-
vated in order to prevent the electronic key
battery and the battery from being dis-
charged while the vehicl e is not in operation
for a long time.
●
In the following situations, the smart
access system with pu sh-button start may take some time to unlock the doors.
• The electronic key has been left in an
area of approximately 6 ft. (2 m) of the
outside of the vehicle for 10 minutes or
longer.
• The smart access system with push-but-
ton start has not been used for 5 days or
longer. ●
If the smart access system with push-but-
ton start has not been used for 14 days or
longer, the doors cann ot be unlocked at
any doors except the dr iver’s door. In this
case, take hold of th e driver’s door han-
dle, or use the wireless remote control or
the mechanical key, to unlock the doors. ■
Turning an electronic key to bat-
tery-saving mode
When battery-saving mode is set, battery
depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
Press twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the
smart access system with push-button start
cannot be used. To cancel the function,
press any of the electronic key buttons.
■
Conditions affecting operation
The smart access system with push-button
start uses weak radio waves. In the following
situations, the communication between the
electronic key and the vehicle may be
affected, preventing the smart access sys-
tem with push-button start, wireless remote
control and engine immobilizer system
from operating properly. (Ways of coping:
→ P.436)
●
When the electronic key battery is
depleted
●
Near a TV tower, electric power plant, Situation Correction
procedure
An attempt was made to
lock the vehicle while a
door was open. Close all of the
doors and lock
the doors
again.
The trunk was closed
while the electronic key
was still inside the trunk
and all the doors were
locked. Retrieve the
electronic key
from the trunk
and close the
trunk lid.
Situation Correction
procedure
The engine switch was
turned to ACCESSORY
mode while the driver’s
door was open (The
driver’s door was opened
when the engine switch
was in ACCESSORY
mode). Turn the engine
switch off and
close the
driver’s door.
The engine switch was
turned off while the
driver’s door was open. Close the
driver’s door.

160 4-2. Driving procedures
LS500_OM_OM50F54U_(U) 4-2.Driving procedures
1 Press the parking brake switch to
check that the parking brake is set.
( → P.170)The parking brake indicator will come on.
2 Firmly depress the brake pedal. and a message will be displayed on
the multi-information display.
If it is not displayed, the engine cannot be
started.
3 Press the engine switch shortly and
firmly.When operating the engine switch, one
short, firm press is enough. It is not neces-
sary to press and hold the switch.
The engine will crank until it starts or for up
to 30 seconds, whichever is less.
Continue depressing the brake pedal until
the engine is completely started.
The engine can be started from any engine
switch mode. ■
Engine switch illumination
According to the situation, the engine
switch illumination operates as follows. ●
When a door is opened, or the engine
switch mode is changed from ACCES-
SORY or IGNITION ON mode to off,
the engine switch illumination slowly
blinks. ●
When depressing the brake pedal with
carrying the electronic key on your per-
son, the engine switch illumination rapidly
blinks. ●
When the engine sw itch is in ACCES-
SORY or IGNITION ON mode, the
engine switch illumination illuminates. ■
If the engine does not start ●
The engine immobilizer system may not
have been deactivated. ( → P.58)
Contact your Lexus dealer. ●
If a message related to start-up is shown
on the multi-information display, read the
message and follow the instructions. ■
If the battery is discharged
The engine cannot be started using the
smart access system with push-button start.
Refer to P.438 to restart the engine. ■
Electronic key battery depletion
→ P.92 ■
Conditions affecting operation
→ P.108 ■
Notes for the entry function
→ P.109
■
Steering lock function
●
After turning the engine switch off and
opening and closing the doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the engine
switch again automatically cancels the
steering lock.
●
When the steering lock cannot be
released, “Push Engine Switch While
Turning Steering Whee l in Either Direc-
tion” will be displayed on the multi-infor-
mation display.
Press the engine switch shortly and firmly Engine (ignition) switch Performing the following opera-
tions when carryin g the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

4137-2. Steps to take in an emergency
LS500_OM_OM50F54U_(U) 7
When trouble arises
In the following situations, it is not pos-
sible to be towed by another vehicle
using cables or chains, as the rear
wheels may be locked due to the park-
ing lock. Contact your Lexus dealer or
commercial towing service.
 There is a malfunction in the shift control system. ( → P.163, 428)
 There is a malfunction in the engine
immobilizer system. ( → P.58)
 There is a malfunction in the smart
access system with push-button
start. ( → P.436)
 The battery is discharged.
( → P.438)
The following may indicate a problem
with your transmission. Contact your
Lexus dealer or commercial towing
service before towing.
 The engine is running but the vehi-
cle does not move.
 The vehicle makes an abnormal
sound.
Do not tow with a sling-type truck to
prevent body damage.WARNING■
Installing towing eyelets to the vehi-
cle
Make sure that towing eyelets are
installed securely.
If not securely installed, towing eyelets
may come loose during towing.
NOTICE■
To prevent damage to the vehicle
when towing using a wheel-lift type
truck●
Do not tow the vehicle from the rear
when the engine switch is off. The
steering lock mechanism is not strong
enough to hold the front wheels
straight.●
When raising the vehicle, ensure ade-
quate ground clearance for towing at
the opposite end of the raised vehicle.
Without adequate clearance, the vehi-
cle could be damaged while being
towed.■
To prevent damage to the vehicle
when towing with a sling-type truck
Do not tow with a sling-type truck, either
from the front or rear.
■
To prevent damage to the vehicle
during emergency towing
Do not secure cables or chains to the
suspension components.
Situations when it is not possible
to be towed by another vehicle Situations when it is necessary to
contact dealers before towing
Towing with a sling-type truck

4337-2. Steps to take in an emergency
LS500_OM_OM50F54U_(U) 7
When trouble arises 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 fol-
lowing correct starting procedures.
( → P.160)
 There may be a malfunction in the
engine immobilizer system.
( → P.58)
 There may be a malfunction in the
shift control system. *
( → P.163, 431) *
: It may not be possible to shift the shift
position from P.
One of the following may be the cause
of the problem:
 The battery may be discharged. NOTICE■
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 pr essure warning valve
and transmitter may be damaged if not
handled correctly. ■
When driving over bumps
If a vehicle has a flat tire, the vehicle
height will be lower than usual. Ensure
that nothing strikes the bottom of the
vehicle. ■
To avoid damage to the tire pressure
warning valves and transmitters
When a tire is repaired with liquid seal-
ants, the tire pressu re 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 trans-
mitter when replacing the tire. ( → P.392) If the engine will not start If the engine will not start even
though correct starting procedures
are being followed ( → P.160), con-
sider each of the following points:
The engine will not start even
though the starter motor oper-
ates normally.
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.

500 Alphabetical Index
LS500_OM_OM50F54U_(U) If the engine will not start ....................... 433
If the fuel filler door cannot be opened
......................................................................... 435
If you have a flat tire .................................. 432
If you lose your keys................................. 435
If you think something is wrong ...........416
If your vehicle becomes stuck............. 446
If your vehicle has to be stopped in an
emergency ................................................. 410
If your vehicle needs to be towed ....... 412
If your vehicle overheats ........................ 443
Engine
ACCESSORY mode ............................... 162
Compartment ..............................................377
Engine compartment cover ................. 378
Engine switch................................................ 160
Fuel pump shut off system ...................... 417
Hood................................................................ 375
How to start the engine........................... 160
Identification number ............................... 449
If the engine will not start ....................... 433
If your vehicle has to be stopped in an
emergency ................................................. 410
Ignition switch (engine switch) ............ 160
Overheating................................................. 443
Tachometer .............................................69, 72
Engine compartment cover .................... 378
Engine coolant
Capacity ...........................................................451
Checking ........................................................ 381
Preparing and checking before winter
......................................................................... 299
Engine coolant temperature gauge 69, 72
Engine immobilizer system ........................ 58
Engine oil
Capacity .........................................................450
Checking ....................................................... 379
Preparing and checking before winter
......................................................................... 299
Warning light .................................................419
Engine oil maintenance data ................... 381 Engine switch ................................................. 160
Auto power off function............................162
Changing the engine switch modes ..162
If your vehicle has to be stopped in an
emergency .................................................. 410
EPS (Electric Power Steering) .............. 294
Warning light .................................................421
Event data recorder (E DR) ............................7 F
FCTA (Front Cross Traffic Alert) ...........218
First-aid kit storage belt ............................ 340
Flat tire
Tire pressure warning system ............ 388
Floor mats ...........................................................22
Fluid
Automatic transmission ..........................452
Brake ................................................................453
Washer .......................................................... 383
Footwell light ................................................. 330
Front air conditioning system ...................313
Front Cross Traffic Alert (FCTA) ...........218
Front passenger occupant classification
system .............................................................. 40
Front seats
Adjustment ....................................................... 116
Cleaning ........................................................ 365
Correct driving posture ............................ 23
Driving position memory ......................... 127
Head restraints..............................................132
Memory recall function............................ 130
Power easy access system ..................... 127
Refresh system ............................................... 121
Seat heaters ..................................................326
Seat position memory ............................... 127
Seat ventilators ............................................326
Front side marker light
Light switch .....................................................175
Replacing light bulbs ............................... 408
Front turn signal lights
Replacing light bulbs ............................... 408
Turn signal lever .......................................... 169