2018 LEXUS LS500H battery

4958-3. Initialization
LS500h_OM_OM50F42U_(U) 8
Vehicle specifications 8-3.Initialization
*
:If equippedItems 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 Item When to initialize Reference
PKSB (Parking Support
Brake) • After reconnecting or changing the
12-volt battery P.284
Message indicating
maintenance is
required • After maintenance is performed P.378
Oil maintenance • After maintenance is performed P.390
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.401
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”.

508 What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 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.444)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( → P.444)
 Is the electronic key battery weak or
depleted? ( → P.413)
 Is the power switch in ON mode? When locking the doors, turn the power
switch off. ( →
P.170 )
 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.120)  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.111 )
 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.116)
 Did you press the power switch
while firmly depressing the brake
pedal? ( → P.168)
 Is the electronic key anywhere
detectable inside the vehicle?
( → P.119)
 Is the steering wheel unlocked?
( → P.169)
 Is the electronic key battery weak or
depleted? In this case, the hy brid system can be
started in a temporary way. ( →
P.446 )
 Is the 12-volt battery discharged? 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 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

5111-1. What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 511Alphabetical Index
Alphabetical Index A
A/C
Air conditioning filter ...................................411
Front automatic air conditioning system
......................................................................... 323
Micro dust and pollen filter................... 329
Rear air conditioning system ............... 333
ABS (Anti-lock Brake System).............. 302
Warning light ............................................... 429
Adaptive Front-lighting System (AFS) .187
Adaptive Variable Suspension System303
AFS (Adaptive Front-lighting System) .187
Air conditioning filter .................................... 411
Air conditioning system
Air conditioning filter ...................................411
Front automatic air conditioning system
......................................................................... 323
Micro dust and pollen filter................... 329
Rear air conditioning system ............... 333
Airbags
Airbag operating conditions..................... 31
Airbag precautions for your child ........ 34
Correct driving posture .............................23
Curtain shield airbag operating condi-
tions .................................................................... 31
Curtain shield airbag precautions ....... 34
Front passenger occupa nt classification
system ............................................................. 40
General airbag precautions ................... 34
Locations of airbags.................................... 29
Modification and disposal of airbags ..37
Side airbag operating conditions ........... 31
Side airbag precautions ............................ 34
Side and curtain shield airbags operating
conditions........................................................ 31
Side and curtain shield airbags precau-
tions .................................................................. 34
SRS airbags ..................................................... 29
SRS warning light ...................................... 428
Alarm
Alarm .................................................................. 68 Warning buzzer ......................................... 427
Anchor brackets ..................................... 46, 55
Antennas (smart acc ess system with
push-button start)........................................ 119
Anti-lock Brake System (ABS).............. 302
Warning light ............................................... 429
Approach warning...................................... 256
Armrest............................................................ 352
Assist grips ..................................................... 352
Audio system-linked display ...................... 90
Automatic headlight leveling system ... 186
Automatic High Beam ............................... 188
Automatic light control system............... 185
Auxiliary boxes .................................. 347, 349
Average fuel economy................................. 88
Average vehicle speed ................................ 88
B
Back-up lights
Replacing light bulbs ..................................417
Battery (12-volt battery)
Battery checking ........................................393
If the 12-volt battery is discharged .... 447
Preparing and checking before winter
......................................................................... 309
Warning light ...............................................428
Battery (traction battery) .............................. 61
Blind Spot Monitor (BSM)....................... 260
Brake
Brake hold ...................................................... 183
Fluid.................................................................. 465
Parking brake ................................................. 181
Regenerative braking .................................59
Warning light ............................................... 427
Brake assist .................................................... 302
Break-in tips.....................................................159
Brightness control
Instrument panel light control........ 79, 85
BSM (Blind Spot Monitor)....................... 260

512 Alphabetical Index
LS500h_OM_OM50F42U_(U) C
Card key .......................................................... 104
Care
Aluminum wheels ...................................... 370
Exterior ........................................................... 370
Interior ............................................................. 373
Seat belts........................................................ 373
Cargo capacity...............................................166
Cargo net ....................................................... 348
Center Display ...............................................316
Chains ............................................................... 310
Child restraint system
Fixed with a LATCH system .................. 53
Fixed with a seat belt................................... 49
Front passenger occupa nt 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 ........ 394, 451
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 ............................154
Power window lock switch.....................153
Power window precautions ...................152
Rear door child-protectors ....................... 111
Removed electronic key battery precau-
tions ................................................................. 414
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 45
Trunk precautions .........................................112
Child-protectors...............................................111
Cleaning
Aluminum wheels ...................................... 370 Exterior............................................................370
Interior ............................................................. 373
Radar sensor ........................ 199, 200, 206
Seat belts ........................................................ 373
Clock ................................................. 77, 81, 353
Clock light ...................................................... 340
Coat hooks..................................................... 352
Coin holder .................................................... 345
Condenser .......................................................391
Console box .................................................. 346
Cooling system............................................. 390
Engine overheating...................................453
Hybrid system overheating ..................454
Cornering lights .............................................187
Cruise control
Dynamic radar cruise control with
full-speed range ..........................247, 250
Cup holders ................................................... 345
Current fuel consumption .......................... 88
Curtain shield airbags .................................. 29
Customizable features ............................... 481
D
Daytime running light system .................. 185
Defogger
Outside rear view mirrors..................... 324
Rear window ................................................ 324
Windshield .................................................... 324
Differential
Front differential oi l............. ...................... 465
Rear differential oil......... .......... ........... ...... 465
Dimension ...................................................... 460
Dinghy towing................................................. 167
Display
Center Display ............................................. 316
Dynamic radar cruise control with
full-speed range ..................................... 250
Energy monitor .............................................. 96
Head-up display............................................ 92
Intuitive parking assist ..............................266
LKA (Lane-Keeping Assist) ................. 243
LTA (Lane-Tracing Assist) ................... 234

5131-1. What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 513Alphabetical Index
Multi-information display .......................... 86
Parking Support Brake function (rear
pedestrians) .............................................. 295
RCD (Rear Camera Detection) .........277
RCTA .............................................................. 273
Warning message..................................... 437
Distance until next engine oil change
..................................................................... 79, 84
Do-it-yourself maintenance .................... 379
Door courtesy lights ................................... 340
Door lock
Doors................................................................ 108
Smart access system with push-button
start ................................................................... 119
Wireless remote control......................... 106
Doors
Automatic door lock ing and unlocking
system ..............................................................112
Door closer ....................................................... 111
Door glasses ................................................... 151
Door lock........................................................ 108
Open door warning bu zzer .......... 109, 111
Outside rear view mirrors ......................149
Rear door child-protectors ....................... 111
Drive distance .................................................. 88
Drive info 1/Drive info 2 .............................. 88
Driver’s seat position memory
Driving position memory.........................139
Memory recall function ............................ 142
Power easy access system .....................139
Drive-start control ........................................159
Driving
Break-in tips .................................................. 159
Correct driving posture .............................23
Driving mode select switch ..................298
Hybrid vehicle driving tips .................... 307
Procedures .................................................... 158
Winter drive tips.........................................309
Driving information display ........................ 87
Driving position memory............................139
Memory recall function ............................ 142
Power easy access system .....................139 Driving range ................................................... 88
Driving support system information display
............................................................................. 90
DRS (Dynamic Rear Steering) .............. 303
Dynamic radar cruise control with
full-speed range ............................. 247, 250
Warning message .....................................259
Dynamic Rear Steering (DRS) .............. 303 E
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 302
EDR (Event data recorder) ............................7
Elapsed time ..................................................... 88
Electric motor (traction motor) ................ 58
Electric Power Steering (EPS) .............. 303
Warning light .............................................. 430
Electronic key ................................................ 104
Battery-saving function............................ 120
If the electronic key does not operate
properly .......................................................445
Replacing the battery .................................413
Electronically Controlled Brake System
(ECB) ............................................................ 302
Electronically modulated air suspension
.......................................................................... 299
Emergency flashers .................................... 420
Emergency, in case of
If a warning buzzer sounds................... 427
If a warning light turns on....................... 427
If a warning message is displayed ..... 437
If the 12-volt battery is discharged .... 447
If the electronic key does not operate
properly .......................................................445
If the fuel filler do or cannot be opened
..........................................................................445
If the hybrid system will not start ........ 443
If you have a flat tire .................................. 442
If you lose your keys ................................. 444
If you think something is wrong.......... 426
If your vehicle becomes stuck ............. 457
If your vehicle has to be stopped in an

5151-1. What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 515Alphabetical Index
Fuel consumption
Average fuel economy ..............................88
Current fuel consumption........................88
Fuel filler door
If the fuel filler door cannot be opened
......................................................................... 445
Refueling ..........................................................194
Fuel gauge ...................................................77, 81
Fuses ...................................................................414 G
Garage door opener .................................358
Gauges .........................................................77, 81
Gear Position................................................... 89
G-force............................................................... 89
Glove box ....................................................... 344
Glove box light ............................................. 345
H
Hands Free Power Trunk Lid .................... 115
Head restraints ...............................................144
Headlights
Adaptive Front-lighting System (AFS)
...........................................................................187
Automatic High Beam system............. 188
Light switch .................................................... 185
Replacing light bulbs.................................. 417
Head-up display.............................................. 92
Driving information display area........... 92
Driving support system display area .. 95
HUD (Head-up display) switch............ 94
Hybrid System Indicator ........................... 96
Navigation system-linked display ........ 92
Pop-up display............................................... 95
Settings .............................................................. 94
Heated steering wheel .............................. 336
Heaters
Front air conditioning system .............. 323
Heated steering wheel............................ 336
Outside rear view mirrors .................... 324
Rear air conditioning system ............... 333 Seat heaters ..................................................336
Height control
Electronically modulated air suspension
......................................................................... 300
High-voltage components ........................... 61
Hill-start assist control ............................... 303
Hood
Open............................................................... 385
Pop Up Hood.................................................38
Hooks
Coat hooks ...................................................352
Retaining hooks (floor mat) ..................... 22
Horn .................................................................... 147
HUD (Head-up display) switch ................ 94
Hybrid battery (traction battery)
Location ...............................................................61
Specification ................................................. 462
Warning message ........................................ 64
Hybrid battery (traction battery) air vents
............................................................................. 64
Hybrid system .................................................. 58
Emergency shut off system...................... 64
Energy monitor/consumption screen96
EV drive mode.............................................. 172
High voltage components .........................61
Hybrid system precautions........................61
If the hybrid system will not start ........ 443
Overheating .................................................454
Power (ignition) switch ............................ 168
Regenerative braking .................................59
Starting the hybrid system ...................... 168
Vehicle proximity noti fication system.60
Hybrid System Indicator............. 78, 83, 96
Hybrid transmission...................................... 174
M mode ............................................................179
Paddle shift switches ....................... 178, 179
Snow mode..................................................... 177
Hybrid vehicle driving tips ....................... 307
I
I/M test ............................................................ 382

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

5191-1. What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 519Alphabetical Index
Preparing and checking before winter
.........................................................................309
Power easy access system ........................139
Power outlets ................................................ 353
Power rear seat ..............................................135
Power steering (Elect ric power steering
system).......................................................... 303
Warning light ...............................................430
Power switch .................................................. 168
Auto power off function .............................171
Changing the power switch modes ..170
Power switch (engine switch)
If your vehicle has to be stopped in an
emergency ................................................ 420
Power trunk opener and closer ............... 114
Power windows
Door lock linked window operation..152
Jam protection function............................. 151
Operation......................................................... 151
Window lock switch ..................................153
Pre-Collision System (PCS)
Function ..............................................209, 220
PCS OFF switch ...............................212, 222
Warning light ............................................... 433
Warning message........................... 219, 226
R
Radar cruise control (dynamic radar cruise
control with full-speed range).. 247, 250
Radiator .............................................................391
RCD (Rear camera detection) .............. 265
Warning message..................................... 278
RCD (Rear Camera Detection)
Function ...........................................................277
RCTA
Function .......................................................... 273
Warning message..................................... 274
RCTA (Rear Cross Traffic Alert) ......... 265
RCTA function ..............................................274
Rear air conditioning system .................. 333
Rear Cross Traffic Alert (RCTA) ......... 273
Rear door sunshades ..... ............................ 355 Rear Multi Operation Pa nel .................... 318
Rear seat position memory .......................143
Rear seats .........................................................135
Adjustment ..................................................... 135
Head restraints..............................................144
Rear seat position memory.....................143
Relaxation system ....................................... 138
Seat heaters ..................................................336
Seat ventilators ............................................336
Rear side marker lights
Light switch .................................................... 185
Replacing light bulbs ..................................417
Rear sunshades ............................................ 356
Rear turn signal lights
Replacing light bulbs ..................................417
Turn signal lever .......................................... 180
Rear view mirror
Inside rear view mirror ............................. 148
Outside rear view mirrors...................... 149
Rear window defogger ............................. 324
Refueling
Capacity .......................................................... 461
Fuel types ........................................................ 461
If the fuel filler do or cannot be opened
..........................................................................445
Opening the fuel tank cap ..................... 194
Regenerative braking ................................... 59
Remote Touch ................................................314
Replacing
Electronic key battery ................................413
Fuses...................................................................414
Light bulbs .......................................................417
Tires ................................................................. 405
Resetting the message indicating mainte-
nance is required ...................................... 378
Rev indicator .................................................... 83
Rev peak............................................................. 83
Road Sign Assist ...........................................247
RSA (Road Sign Assist) .............................247
Run-flat tires........................................ 397, 442