
4888-2. Customization
LS500h_OM_(U)_1809
■RSA (Road Sign Assist)* ( P.255)
*:If equipped
■BSM (Blind Spot Monitor) ( P.258)
Alert typeSteering wheel
vibrationBuzzer—O——
Alert sensitivityHighStandard—O——
Vehicle sway warning func-
tionOnOff—O——
Vehicle sway warning sensi-
tivityStandardHigh—O——Low
FunctionDefault settingCustomized set- ting
RSA (Road Sign Assist)OnOff—O——
Excess speed notification
methodDisplay only
No notification
—O——Display and buzzer
Excess speed notification
level1 mph (2 km/h)3 mph (5 km/h)—O——5 mph (10 km/h)
Other notifications method
(No-entry notification)Display only
No notification
—O——Display and buzzer
FunctionDefault settingCustomized set- ting
BSM (Blind Spot Monitor)OnOff—O——
Outside rear view mirror indi-
cator brightnessBrightDim—O——
FunctionDefault settingCustomized set-tingABCD
ABCD
ABCD

4918-2. Customization
LS500h_OM_(U)_1809
8
Vehicle specifications
■Seat heater/seat ventilators ( P.337)
*1: If equipped
*2: Vehicles without power rear seat
■Heated steering wheel* ( P.337)
*:If equipped
FunctionDefault settingCustomized set-
ting
Driver’s seat temperature
preference in automatic
mode
Standard-2 (cooler) to 2 (warmer)O——O
Passenger’s seat tempera-
ture preference in automatic
mode
Standard-2 (cooler) to 2 (warmer)O——O
Left-hand rear seat tempera-
ture preference in automatic
mode
*1Standard-2 (cooler) to 2 (warmer)O——O
Right-hand rear seat tem-
perature preference in auto-
matic mode
*1Standard-2 (cooler) to 2 (warmer)O——O
Power switch linked auto-
matic activation of the
left-hand rear seat
heater/ventilator
*2
OffOnO——O
Power switch linked auto-
matic activation of the
right-hand rear seat
heater/ventilator
*2
OffOnO——O
FunctionDefault settingCustomized set- ting
Steering wheel heating pref-
erence in automatic modeStandard-2 (low) to 2 (high)O——O
ABCD
ABCD

4948-3. Initialization
LS500h_OM_(U)_1809
8-3.Initialization
*:If equipped
Items to initialize
The following items must be initialized for normal system operation after such
cases as the 12-volt battery being re connected, or maintenance being per-
formed on the vehicle:
List of items to initialize
ItemWhen to initializeReference
PKSB (Parking Support
Brake)• After reconnecting or changing the 12-volt batteryP.282
Message indicating
maintenance is
required
• After maintenance is performedP.375
Oil maintenance• After maintenance is performedP.387
Tire pressure warning
system
• When the tire inflation pressure is changed, such as when changing trav-
eling speed or load weight.
• When the tire inflation pressure is changed, such as when the tire size is
changed.
• When rotating the tires.
• After performing the transmitter ID code registration procedure.
P.398
Lexus parking assist
monitor
*
• 12-volt battery ha s been reinstalled.
• The steering wheel has been moved while the 12-volt battery was being
reinstalled.
• 12-volt battery power is low.Refer to the “NAVI-
GATION AND MUL- TIMEDIA SYSTEM OWNER’S MAN- UAL”.
Panoramic view moni-
tor
*
• 12-volt battery ha s been reinstalled.
• The steering wheel has been moved while the 12-volt battery was being
reinstalled.
• 12-volt battery power is low.Refer to the “NAVI-
GATION AND MUL- TIMEDIA SYSTEM OWNER’S MAN- UAL”.

506What to do if... (Troubleshooting)
LS500h_OM_(U)_1809
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.442)
If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.442)
Is the electronic key battery weak or
depleted? ( P.409)
Is the power switch in ON mode?
When locking the doors, turn the power
switch off. (
P.172)
Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop- erly due to the condition of the radio
wave. (
P.125)
Is the child-protector lock set?
The rear door cannot be opened from
inside the vehicle when the lock is set.
Open the rear door from outside and then
unlock the child-protector lock. (
P.115)
The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.120)
Did you press the power switch
while firmly depressing the brake
pedal? ( P.170)
Is the electronic key anywhere
detectable inside the vehicle?
( P.124)
Is the steering wheel unlocked?
( P.171)
Is the electronic key battery weak or
depleted?
In this case, the hy brid system can be
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked
The rear door cannot be opened
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The hybrid system does not start

5071-1. What to do if... (Troubleshooting)
LS500h_OM_(U)_1809507What to do if... (Troubleshooting)
started in a temporary way. (
P.444)
Is the 12-volt battery discharged?
( P.445)
It is locked automatically to prevent
theft of the vehicle. ( P.171)
Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. (
P.156)
The auto power off function will be
operated if the vehicle is left in
ACCESSORY mode for a period of
time. ( P.173)
The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? (
P.427)
The parking brake indicator is on
Is the parking brake released? ( P.183)
Depending on the situation, other
types of warning buzzer may also
sound. (P.424, 434)
Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(
P.73)
Do one of the following to deactivate
or stop the alarms:
Unlock the doors.
Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.)
Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. (
P.434)
When a warning light turns on or a
warning message is displayed, refer
to P.424, 434.
Slow down the vehicle, drive with
The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

510Alphabetical Index
LS500h_OM_(U)_1809
Buzzer Hands off steering wheel alert (LTA)............................................................. 244, 244
C
Card key .......................................................... 108
Care Aluminum wheels ......................................368
Exterior ...........................................................368
Interior ............................................................... 371
Seat belts.......................................................... 371
Cargo capacity.............................................. 168
Cargo net ....................................................... 350
Center Display ...............................................316
Chains ............................................................... 310
Child restraint system Fixed with a LATCH system .................. 53
Fixed with a seat belt................................... 49
Front passenger occupant classification system ............................................................. 40
Points to remember .................................... 45
Riding with children ..................................... 45
Types of child restraint system installation method ........................................................... 46
Using an anchor bracket .......................... 55
Child safety 12-volt battery precautions ........ 391, 449
Airbag precautions...................................... 34
Child restraint system................................. 46
Heated steering wheel and seat heater precautions................................................ 337
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 157
Power window lock switch.................... 156
Power window precautions .................. 155
Rear door child-protectors ..................... 115
Removed electronic key battery precau- tions ................................................................ 410
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 45
Trunk precautions ........................................ 116 Child-protectors............................................. 115
Cleaning
Aluminum wheels ..................................... 368
Exterior........................................................... 368
Interior ...............................................................371
Radar sensor ................................... 200, 206
Seat belts ..........................................................371
Clock ................................................ 81, 85, 355
Clock light ........................................................341
Coat hooks..................................................... 354
Coin holder .................................................... 347
Condenser .....................................................388
Console box .................................................. 348
Cooling system............................................. 387 Engine overheating.................................. 450
Hybrid system overheating ................... 451
Cornering lights ............................................ 189
Cruise control Dynamic radar cruise control with full-speed range ......................... 245, 255
Cup holders ................................................... 347
Current fuel consumption .......................... 92
Curtain shield airbags .................................. 29
Customizable features .............................. 479
D
Daytime running light system ...................187
Defogger Outside rear view mirrors..................... 324
Rear window ................................................ 324
Windshield .................................................... 324
Differential Front differential oil............. .......................463
Rear differential oil......... ..................... .......463
Dimension ...................................................... 458
Dinghy towing.................................................169
Display Center Display ............................................. 316
Dynamic radar cruise control with full-speed range ......................................245
Energy monitor ............................................ 100
Head-up display............................................ 96

5131-1. What to do if... (Troubleshooting)
LS500h_OM_(U)_1809513Alphabetical Index
Fuel gauge ............................................... 81, 85
Information ....................................................468
Refueling .......................................................... 197
Type..................................................................459
Warning light ............................................... 427
Fuel consumption Average fuel economy .............................. 92
Current fuel consumption........................ 92
Fuel filler door If the fuel filler door cannot be opened......................................................................... 442
Refueling .......................................................... 197
Fuel gauge .................................................. 81, 85
Fuses .................................................................... 411
G
Garage door opener ................................. 360
Gauges ........................................................ 81, 85
Gear Position................................................... 93
G-force............................................................... 93
Glove box ....................................................... 346
Glove box light ............................................. 347
H
Hands Free Power Trunk Lid .................... 119
Head restraints ............................................... 147
Headlights Adaptive Front-lighting System (AFS).......................................................................... 189
Automatic High Beam system............. 190
Light switch .....................................................187
Replacing light bulbs.................................. 414
Head-up display.............................................. 96 Driving information display area........... 96
Driving support system display area .. 99
HUD (Head-up display) switch............ 98
Hybrid System Indicator ......................... 100
Navigation system-linked display ........ 96
Pop-up display............................................... 99
Settings .............................................................. 98
Heated steering wheel .............................. 337 Heaters
Front automatic air conditioning system.......................................................................... 323
Heated steering wheel ............................ 337
Outside rear view mirrors..................... 324
Rear automatic air conditioning system
..........................................................................334
Seat heaters .................................................. 337
Height control Electronically modulated air suspension..........................................................................299
High-voltage components ......................... 66
Hill-start assist control ............................... 302
Hood Open................................................................382
Pop Up Hood.................................................38
Hooks Coat hooks ...................................................354
Retaining hooks (floor mat) ..................... 22
Horn ................................................................... 150
HUD (Head-up display) switch ................ 98
Hybrid battery (traction battery) Location ............................................................. 66
Specification ................................................ 460
Warning message ........................................ 69
Hybrid battery (traction battery) air vents ............................................................................. 69
Hybrid system .................................................. 63 Emergency shut off system...................... 69
Energy monitor/consumption screen100
EV drive mode..............................................174
High voltage components ....................... 66
Hybrid system precautions...................... 66
If the hybrid system will not start ....... 440
Overheating .................................................. 451
Power (ignition) switch ............................ 170
Regenerative braking ................................. 64
Starting the hybrid system ...................... 170
Vehicle proximity noti fication system.65
Hybrid System Indicator........... 82, 87, 100
Hybrid transmission...................................... 176 M mode ............................................................. 181

5191-1. What to do if... (Troubleshooting)
LS500h_OM_(U)_1809519Alphabetical Index
Spark plug ........................................................461
Specifications ................................................ 458
Speedometer ............................................ 81, 85
Steering lock Column lock release....................................171
Steering lock system warning message.............................................................................171
Steering wheel Adjustment..................................................... 150
Heated steering wheel............................ 337
Meter control switches ................................ 91
Power easy access system ..................... 142
Steering wheel position memory ........ 142
Stop lights Replacing light bulbs.................................. 414
Storage features .......................................... 345
Stuck If the vehicle becomes stuck................ 454
Suggestion function....................................... 95
Sun visors ........................................................ 356
Sunshade Roof .................................................................... 157
Switches Activating the Automatic High Beam190
Automatic High Beam system............. 190
Brake Hold switch ..................................... 185
Door lock switches .......................................114
Driving mode select switch .................. 297
Driving position memory switches ..... 142
Dynamic radar cruise control with full-speed range switch ....................... 246
Emergency flashers switch .....................416
EV drive mode switch .............................. 174
Garage door opener switches ..........360
Heated steering wheel switch............. 337
HUD (Head-up display) switch............ 98
Ignition switch................................................170
Instrument panel light control switches ...................................................................83, 89
Intuitive parking assist switch............... 266
Light switches ................................................187
LTA (Lane-Tracing Assist) switch .... 239 Meter control switches ................................91
Moon roof switches................................... 156
“ODO TRIP” switch .......................... 83, 89
Outside rear view mi
rror switches .... 152
Paddle shift switches ........................ 180, 181
Parking brake switch................................. 183
PCS OFF switch ..............................215, 225
PKSB (Parking Support Brake) switch .......................................................................... 279
Power door lock switch ............................ 114
Power switch................................................. 170
Power window switches ......................... 154
RCD (Rear camera detection) switch .......................................................................... 275
RCTA switch ................................................ 272
Rear door sunshade switch ..................357
Rear seat heater..........................................335
Rear seat position memory switches 146
Rear seat ventilator ...................................335
Rear sunshades switch........................... 358
Rear window and outside rear view mir- ror defoggers switch ............................ 323
Seat heater switches................................. 337
Seat ventilator switches .......................... 337
Snow mode switch......................................179
“SOS” button...................................................58
Tilt and telescopic steering control switch ........................................................................... 150
Tire pressure warning reset switch.. 398
Trunk closer switch .................................... 120
Trunk opener main switch....................... 122
Trunk opener switch ................................... 118
Vehicle-to-vehicle distance switch... 246
VSC OFF switch ...................................... 303
Window lock switch.................................. 156
Windshield wiper and washer switch192
Windshield wiper de-icer switch.......328
T
Tachometer................................................ 81, 85 Rev indicator ................................................... 87
Rev peak............................................................ 87