2018 LEXUS LS500H immobilizer

2
LS500h_OM_OM50F42U_(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. Hybrid system
Hybrid system features ................. 58
Hybrid system precautions ........... 61
1-4. Theft deterrent system
Immobilizer sy stem ........................ 66
Alarm.................................................... 68
2-1. Instrument cluster
Warning lights and indicators ..... 72
Gauges and meters (except F
SPORT models) ............................ 77
Gauges and meters (F SPORT
models) .............................................. 81
Multi-information display............. 86
Head-up display ............................... 92 Energy monitor/consumption
screen ................................................ 96
3-1. Key information
Keys .................................................... 104
3-2. Opening, closing and locking the
doors and trunk
Doors ................................................. 108
Trunk .................................................... 112
Smart access system with push-but-
ton start ............................................ 119
3-3. Adjusting the seats
Front seats........................................ 128
Power rear seat ............................. 135
Driving position memory ........... 139
Rear seat position memory........ 143
Head restraints ............................... 144
3-4. Adjusting the steering wheel and
mirrors
Steering wheel ................................ 147
Inside rear view mirror ............... 148
Outside rear view mirrors......... 149
3-5. Opening, closing the windows and
moon roof
Power windows ............................... 151
Moon roof ........................................ 153
4-1. Before driving
Driving the vehicle........................ 158
Cargo and luggage...................... 164
Vehicle load limits......................... 166
Trailer towing.................................. 1661
For safety and security
2
Vehicle status information and
indicators 3
Before driving
4
Driving

21
LS500h_OM_OM50F42U_(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. Hybrid system
Hybrid system features .............. 58
Hybrid system precautions ....... 61
1-4. Theft deterrent system
Immobilizer sy stem ..................... 66
Alarm................................................. 68

66 1-4. Theft deterrent system
LS500h_OM_OM50F42U_(U) 1-4.Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACCESSORY or ON mode to indi-
cate that the system has been can-
celed. ■
System maintenance
The vehicle has a maintenance-free type
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 immobilizer system 
For vehicles sold in the U.S.A. , Hawaii, Guam and Puerto RicoImmobilizer system The vehicle’s keys have built-in tran-
sponder chips that prevent the
hybrid system 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

120 3-2. Opening, closing and locking the doors and trunk
LS500h_OM_OM50F42U_(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 12-volt battery from being
discharged while the vehicle is not in opera-
tion 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 immobilizer system from oper-
ating properly. (Ways of coping: → P.445)
●
When the electronic key battery is
depleted
●
Near a TV tower, electric power plant,
gas station, radio stat ion, large display, 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 power switch was
turned to ACCESSORY
mode while the driver’s
door was open (The
driver’s door was opened
when the power switch
was in ACCESSORY
mode). Turn the power
switch off and
close the
driver’s door.
The power switch was
turned off while the
driver’s door was open. Close the
driver’s door.

168 4-2. Driving procedures
LS500h_OM_OM50F42U_(U) 4-2.Driving procedures
1 Press the parking brake switch to
check that the parking brake is set.
( → P.181)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 hybrid system can-
not be started.
When the shift position is N, the hybrid sys-
tem cannot start. Shift the shift position to P
when starting the hybrid system. ( → P.176)
3 Press the power switch shortly and
firmly.When operating the power switch, one
short, firm press is enough. It is not neces-
sary to press and hold the switch.
If the “READY” indicator turns on, the
hybrid system will operate normally.
Continue depressing the brake pedal until
the “READY” indicator is illuminated.
The hybrid system can be started from any
power switch mode. 4 Check that the “READY” indicator
is illuminated. The vehicle cannot be driven if the
“READY” indicator is off. ■
Power switch illumination
According to the situation, the power
switch illumination operates as follows. ●
When a door is opened, or the power
switch mode is changed from ACCES-
SORY or ON mode to off, the power
switch illumination slowly blinks. ●
When depressing the brake pedal with
carrying the electronic key on your per-
son, the power switch illumination rapidly
blinks. ●
When the power switch is in ACCES-
SORY or ON mode, the power switch
illumination illuminates. ■
If the hybrid system does not start ●
The immobilizer system may not have
been deactivated. ( → P.66)
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. ■
When the ambient temperature is low,
such as during winter driving conditions ●
When starting the hybrid system, the
flashing time of the “READY” indicator
may be long. Leave the ve hicle as it is until
the “READY” indicator is steady on, as
steady means the vehicle is able to move. ●
When the hybrid battery (traction bat-
tery) is extremely cold (below approxi-
mately -22°F [-30°C]) under the
influence of the outside temperature, it
may not be possible to start the hybrid
system. In this case, try to start the hybrid
system again after the temperature of the
hybrid battery increases due to the out-
side temperature increase etc.
■
Sounds and vibrations specific to a
hybrid vehicle
→ P.59Power (ignition) switch Performing the following opera-
tions when carryin g the electronic
key on your person starts the hybrid
system or changes power switch
modes.
Starting the hybrid system

4437-2. Steps to take in an emergency
LS500h_OM_OM50F42U_(U) 7
When trouble arises
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( → P.445)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle.
 There may be a malfunction in the
immobilizer system. ( → P.66)
 There may be a malfunction in the
shift control system. *
( → P.171, 441)
 There may be a malfunction in the
steering lock system.
 The hybrid system may be malfunc-
tioning due to an electrical problem
such as electronic key battery
depletion or a blown fuse. However,
depending on the type of malfunc-
tion, an interim measure is available
to start the hybrid system. ( → P.443)
 There is a possibility that the tem-
perature of the hybrid battery (trac-
tion battery) is extremely low
(approximately below -22°F [-30°C]). ( → P.168) *
: It may not be possible to shift the shift
position from P.
One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. ( → P.447)
 The 12-volt battery terminal con-
nections may be lo ose or corroded.
( → P.393)
One of the following may be the cause
of the problem:
 One or both of the 12-volt battery
terminals may be disconnected.
( → P.393)
 The 12-volt battery may be dis-
charged. ( → P.447)Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the hybrid syst em does not start,
the following steps can be used as an
interim measure to start the hybrid sys-
tem if the power switch is functioning If the hybrid system will not
start Reasons for the hybrid system not
starting vary depending on the situ-
ation. Check the following and per-
form the appropriate procedure:
The hybrid system will not start
even though the correct starting
procedure is being followed.
( → P.168) The interior lights and head-
lights are dim, or the horn does
not sound or sounds at a low vol-
ume.
The interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the hybrid system in an
emergency

516 Alphabetical Index
LS500h_OM_OM50F42U_(U) Identification
Engine ...............................................................461
Vehicle ............................................................460
Ignition switch (power switch) ................ 168
Auto power off function .............................171
Changing the power switch modes ..170
If your vehicle has to be stopped in an
emergency ................................................ 420
Immobilizer system ........................................ 66
Indicators ............................................................74
Initialization
Items to initialize .........................................495
Maintenance ................................... 378, 390
Power windows............................................. 151
Tire pressure warning system .............. 401
Inside door handle lights .......................... 340
Inside rear view mirror ............................... 148
Instrument panel light control ........... 79, 85
Interior lights.................................................. 340
Front interior light ......................................340
Rear interior light .......................................340
Intuitive parking assist..................... 265, 266
Function .......................................................... 266
Warning message.....................................268
J
Jack
Positioning a floor jack........................... 385
Jam protection function
Moon roof .......................................................154
Power trunk opener and closer ............ 116
Power windows............................................. 151
Rear door sunshade ................................355
K
Keyless entry
Smart access system with push-button
start ................................................................... 119
Wireless remote control......................... 106
Keys
Battery-saving function ............................120 Electronic key ............................................... 104
If the electronic key does not operate
properly .......................................................445
If you lose your keys ................................. 444
Key number plate ....................................... 104
Keyless entry ........................................ 108, 119
Mechanical key ............................................ 104
Power switch................................................. 168
Replacing the battery .................................413
Warning buzzer ............................................ 119
Wireless remote control ......................... 106
Knee airbags .................................................... 29 L
Lane Tracing Assist (LTA)
Operation ......................................................230
Warning messages...................................238
Lane-Keeping Assist (LKA)
Operation ......................................................240
Warning messages................................... 246
Language (multi-information display) ... 90
LATCH anchors ............................................. 53
LDH (Lexus Dynamic Handling system)
.......................................................................... 303
Lever
Auxiliary catch lever ................................ 385
Hood lock release lever ........................ 385
Internal trunk release lever....................... 117
Shift lever ..........................................................174
Turn signal lever .......................................... 180
Wiper lever .................................................... 190
Lexus climate concierge ............................321
Lexus Dynamic Handling system (LDH)
.......................................................................... 303
Lexus Enform Safety Connect............... 364
Lexus Safety System+
Automatic High Beam ............................. 188
Dynamic radar cruise control with
full-speed range ..........................247, 250
LKA (Lane-Keeping Assist) .................240
PCS (Pre-Collision System) ................220
RSA (Road Sign Assist).......................... 247

522 Alphabetical Index
LS500h_OM_OM50F42U_(U) Tail lights
Light switch .................................................... 185
Replacing light bulbs.................................. 417
Theft deterrent system
Alarm .................................................................. 68
Immobilizer system...................................... 66
Tire inflation pressure
Maintenance data...................................... 466
Tire inflation pressu re display function
......................................................................... 397
Warning light .................................................431
Tire information .............................................472
Glossary......................................................... 475
Size.................................................................... 473
Tire identification number ..................... 473
Uniform Tire Quality Grading............ 474
Tire pressure display .................................. 397
Tire pressure warning system
Function .......................................................... 397
Initializing ........................................................ 401
Installing tire pressure warning valves
and transmitters ....................................... 401
Registering ID codes ...............................403
Warning light .................................................431
Tires
Chains .............................................................. 310
Checking .......................................................395
If you have a flat tire .................................. 442
Inflation pressure....................................... 408
Information .................................................... 472
Replacing .......................................................405
Rotating tires ................................................ 397
Run-flat tires ..................................... 397, 442
Size.................................................................... 466
Snow tires ......................................................309
Tire inflation pressu re display function
......................................................................... 397
Tire pressure warning system ............. 397
Warning light .................................................431
Top tether strap............................................... 55
Total load capacity ...................................... 460 Towing
Dinghy towing ...............................................167
Emergency towing.................................... 422
Towing eyelet...............................................425
Trailer towing ................................................ 166
TRAC (Traction Control) ........................ 303
Traction battery (hybrid battery)
Hybrid battery (traction battery) air vents
............................................................................. 64
Location ...............................................................61
Specification ................................................. 462
Warning message ........................................ 64
Traction Control (TRAC) ........................ 303
Traction motor (electric motor) ............... 58
Trailer towing ..................................................166
Transmission
Driving mode select switch ................. 298
Hybrid transmission....................................174
M mode ............................................................179
Paddle shift switches ....................... 178, 179
Snow mode..................................................... 177
Trip meters ................................................ 79, 84
Trunk .................................................................... 112
Hands Free Power Trunk Lid................. 115
Internal trunk release lever....................... 117
Power trunk opener and closer ............ 114
Smart access system with push-button
start ................................................................... 115
Trunk closer switch ...................................... 115
Trunk easy closer.......................................... 116
Trunk features ............................................. 348
Trunk grip ......................................................... 116
Trunk lid light................................................... 116
Trunk light ......................................................... 116
Trunk opener main switch........................ 118
Trunk opener switch ................................... 114
Wireless remote control ........................... 115
Trunk lid light .................................................... 116
Trunk light .......................................................... 116
Turn signal lights
Replacing light bulbs ..................................417
Turn signal lever .......................................... 180