transmission LEXUS LS500H 2019 User Guide

4367-2. Steps to take in an emergency
LS500h_OM_(U)_1809
In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.
 If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective actio n according to the warning light. ( P.424)
*: A buzzer sounds the first time a message is shown on the multi-information display.
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■If “Hybrid System Stopped Steering
Power Low” is displayed
This message is displayed if the hybrid sys-
tem is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
■If “Hybrid System Overheated Output
Power Reduced” is displayed
This message may be displayed when driv-
ing under severe operat ing conditions. (For
example, when driving up a long steep hill.)
Handling method:  P.450
■If “Warming Up Maximum Vehicle
Speed: 65 MPH” is displayed
The transmission is being warmed up and
the vehicle is unable to be driven over 65
mph (110 km/h). Wait until the transmission
warms up.
■If “Stop the Vehicle in a Safe Place Shift
to P position” is displayed
There may be a malfunction in the hybrid
system or the shift position may be shifted to
N for a long time. I mmediately stop the
vehicle and contact your Lexus dealer.
■If “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is displayed
This message may be displayed when the
shift position is in N.
As the hybrid battery (traction battery) can-
not be charged when the shift position is in
N, shift the shift positi on to P when the vehi-
cle is stopped.
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their cond ition, or indicates the
need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly
Warning buzzer*Warning

4387-2. Steps to take in an emergency
LS500h_OM_(U)_1809
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.387)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
(  P.387)
■If “Shift System Malfunction Driving
Unavailable” is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately.
■If a message that in dicates the need for
the shift lever oper ation is displayed
To prevent the shift lever from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position.
■If a message that in dicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■If a message that in dicates the need for
referring to Owner’s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.450)
•“Battery Low” ( P.445) • “Transmission Fluid Temp High” (
P.177)
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc- tion”
• “Shift System Malfunction”
• “P Switch Malfunction”
• “Shift System Unavailable”
• “Hybrid System Malfunction”
•“Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
●If any of the following messages are
shown on the multi-information display,
the vehicle may have run out of fuel. Stop
the vehicle in a safe place and, if the fuel
level is low, refuel the vehicle. ( P.66)
• “Hybrid System Stopped”
• “Engine Stopped”
●If “Maintenance Required for Traction
Battery Cooling Parts” is shown, the fil-
ters may be clogged, the air intake vents
may be blocked, or there may be a gap in
the duct. Therefore, perform the follow-
ing correction procedure.
• If the air intake vent s and filters of the
hybrid battery (traction battery) are dirty,
perform the procedure on P.372 to clean
them.
• If the warning message is shown when
the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.

4557-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble arises
WARNING
■When attempting to free a stuck vehi-
cle
If you choose to push the vehicle back
and forth to free it, make sure the sur-
rounding area is clear to avoid striking
other vehicles, objects or people. The
vehicle may also lunge forward or lunge
back suddenly as it becomes free. Use
extreme caution.
■When shifting the shift position
Be careful not to shift the shift position
with the accelerator pedal depressed.
This may lead to unexpected rapid accel-
eration of the vehicle that may cause an
accident resulting in death or serious
injury.
NOTICE
■To avoid damaging the transmission
and other components
●Avoid spinning the rear wheels and
depressing the accelerator pedal
more than necessary.
●If the vehicle remains stuck even after
these procedures are performed, the
vehicle may require towing to be freed.

4628-1. Specifications
LS500h_OM_(U)_1809
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
*: Your Lexus vehicle is filled with Toyota ge nuine gear oil at the factory. Use Lexus
approved Toyota genuine gear oil or an equi valent of matching quality to satisfy the
above specification. Plea se contact your Lexus dealer for further details.
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system (12-volt battery)
Open voltage at 68°F (20°C):
12.0 V or higher
(Turn the power switch off and turn on the high
beam headlights for 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Hybrid transmission
Fluid capacity*7.2 qt. (6.8 L, 6.0 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration in
shift quality, and ultimately damage the transmission of your vehicle.
Transfer (AWD models)
Oil capacity0.74 qt. (0.70 L, 0.62 Imp. qt.)
Oil type and viscosity*Toyota Genuine Transfer gear oil LL 80 or equivalent

512Alphabetical Index
LS500h_OM_(U)_1809
If you have a flat tire .................................. 439
If you lose your keys................................. 442
If you think something is wrong ......... 423
If your vehicle becomes stuck............. 454
If your vehicle has to be stopped in an
emergency ..................................................416
If your vehicle needs to be towed .......419
If your vehicle overheats ........................450
Energy monitor .................................... 100, 101
Engine ACCESSORY mode ............................... 172
Compartment .............................................384
Engine compartment cover ................ 385
Engine switch.................................................170
Hood................................................................ 382
How to start the hybrid system ............170
Identification number ...............................459
If the hybrid system will not start ........440
If your vehicle has to be stopped in an
emergency ..................................................416
Ignition switch (power switch) ..............170
Overheating.................................................450
Power switch .................................................170
Tachometer ............................................. 81, 85
Engine compartment cover ....................385
Engine coolant Capacity ...........................................................461
Checking ....................................................... 387
Preparing and checking before winter.........................................................................309
Engine coolant temperature gauge 81, 85
Engine oil Capacity .........................................................460
Checking ...................................................... 385
Preparing and checking before winter.........................................................................309
Warning light ............................................... 425
Engine oil maintenance data .................. 387
Engine switch (power switch) ..................170 If your vehicle has to be stopped in an
emergency ..................................................416 EPS (Electric Power Steering) .............. 302
Warning light ............................................... 427
EV drive mode................................................ 174
EV indicator ...................................................... 64
Event data recorder (E DR) ........................... 8
F
FCTA (Front Cross Traffic Alert) ......... 230
First-aid kit storage belt ..............................351
Flat tire
Tire pressure warning system .............394
Floor mats ...........................................................22
Fluid Brake ................................................................463
Hybrid transmission.................................. 462
Washer .......................................................... 389
Footwell light ...................................................341
Front automatic air conditioning system .......................................................................... 323
Front Cross Traffic Alert (FCTA) ......... 230
Front passenger occupant classification system .............................................................. 40
Front seats Adjustment ....................................................... 131
Cleaning ...........................................................371
Correct driving posture ............................ 23
Driving position memory .........................142
Head restraints..............................................147
Memory recall function............................ 145
Power easy access system .....................142
Refresh system ............................................. 136
Seat heaters .................................................. 337
Seat position memory ...............................142
Seat ventilators ............................................ 337
Front side marker light Light switch .................................................... 187
Replacing light bulbs ..................................414
Front turn signal lights Replacing light bulbs ..................................414
Turn signal lever .......................................... 182
Fuel Capacity ........................................................ 459

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

518Alphabetical Index
LS500h_OM_(U)_1809
Road Sign Assist .......................................... 255
RSA (Road Sign Assist) ............................ 255
Run-flat tires........................................394, 439
S
Seat belt buckle lights . .................................341
Seat belt reminder ligh t.................. 427, 428
Seat belts............................................................ 24 Automatic Locking Retractor ................ 26
Child restraint system installation ......... 46
Cleaning and maintaining the seat belt........................................................................... 371
Easy Access Buckle .................................... 26
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt ............................................................................ 25
Pregnant women, proper seat belt use .............................................................................24
Reminder light and buzzer ....... 427, 428
Seat belt extender ........................................ 25
SRS warning light ...................................... 426
Seat heaters ................................................... 337
Seat position memory........................ 142, 146
Seat ventilators ............................................. 337
Seating capacity............................................ 168
Seats Adjustment.............................................131, 138
Adjustment precautions ............................ 131
Child seats/child restraint system installa-tion .................................................................... 45
Cleaning........................................................... 371
Driving position memory......................... 142
Front seat refresh system.........................136
Head restraints ............................................. 147
Power easy access system ..................... 142
Properly sitting in the seat .........................23
Rear seat relaxation system......................141
Seat heaters .................................................. 337
Seat position memory .....................142, 146
Seat ventilators............................................ 337
Secondary Collision Brake ..................... 302 Sensor
Automatic headlight system .................. 187
Automatic High Beam system ............. 190
Inside rear view mirror ............................... 151
Intuitive parking assist ..............................265
LTA (Lane Tracing Assist) .................... 233
Parking Support Brake function (rear-crossing vehicles) ..................... 290
Parking Support Brake function (static objects) ....................................................... 285
Radar sensor .........................199, 206, 259
Rain-sensing windshield wipers .......... 193
RCTA............................................................... 272
Service plug ...................................................... 66
Service reminder message ..................... 375
Shift lever Hybrid transmission....................................176
Shift lever light ................................................341
Shopping bag hooks ..................................350
Side airbags ...................................................... 29
Side marker lights Light switch .................................................... 187
Replacing light bulbs ..................................414
Side mirrors Adjustment ..................................................... 152
BSM (Blind Sport Monitor)................. 258
Folding.............................................................. 153
Linked mirror functi on when reversing
........................................................................... 152
Mirror position memory ...........................142
RCTA function .............................................. 271
Side turn signal lights Replacing light bulbs ..................................414
Turn signal lever .......................................... 182
Side windows ..................................................154
Smart access system with push-button startAntenna location ..........................................123
Entry functions ................................................ 112
Starting the hybrid system ...................... 170
Snow mode ...................................................... 179
Snow tires ....................................................... 309

520Alphabetical Index
LS500h_OM_(U)_1809
Tail lights Light switch .....................................................187
Replacing light bulbs.................................. 414
Theft deterrent system Alarm ...................................................................73
Immobilizer system........................................ 71
Tire inflation pressure Maintenance data...................................... 464
Tire inflation pressu re display function
......................................................................... 394
Warning light ............................................... 428
Tire information ............................................ 470 Glossary......................................................... 473
Size...................................................................... 471
Tire identification number ....................... 471
Uniform Tire Quality Grading............ 472
Tire pressure display .................................. 394
Tire pressure warning system Function .......................................................... 394
Initializing .......................................................398
Installing tire pressure warning valves and transmitters ...................................... 397
Registering ID codes ...............................399
Warning light ............................................... 428
Tires Chains .............................................................. 310
Checking ....................................................... 392
If you have a flat tire .................................. 439
Inflation pressure........................................405
Information .................................................... 470
Replacing ........................................................ 401
Rotating tires ................................................ 394
Run-flat tires .....................................394, 439
Size.................................................................... 464
Snow tires ......................................................309
Tire inflation pressu re display function
......................................................................... 394
Tire pressure warning system ............. 394
Warning light ............................................... 428
Top tether strap............................................... 55
Total load capacity ...................................... 458 Towing
Dinghy towing .............................................. 169
Emergency towing..................................... 419
Towing eyelet............................................... 422
Trailer towing ................................................ 168
TRAC (Traction Control) ........................ 302
Traction battery (hybrid battery) Hybrid battery (traction battery) air vents............................................................................. 69
Location ............................................................. 66
Specification ................................................ 460
Warning message ........................................ 69
Traction Control (TRAC) ........................ 302
Traction motor (electric motor) ............... 63
Trailer towing ................................................. 168
Transmission Driving mode select switch .................. 297
Hybrid transmission....................................176
M mode ............................................................. 181
Paddle shift switches ........................ 180, 181
Snow mode.....................................................179
Trip meters ............................................... 83, 88
Trunk .................................................................... 116 Hands Free Power Trunk Lid................. 119
Internal trunk release lever....................... 121
Power trunk opener and closer ............ 118
Smart access system with push-button start ................................................................... 119
Trunk closer switch .................................... 120
Trunk easy closer........................................ 120
Trunk features ............................................. 350
Trunk grip ....................................................... 120
Trunk lid light................................................. 120
Trunk light ....................................................... 120
Trunk opener main switch....................... 122
Trunk opener switch ................................... 118
Wireless remote control ........................... 119
Trunk lid light ...................................................120
Trunk light .........................................................120
Turn signal lights Replacing light bulbs ..................................414
Turn signal lever .......................................... 182