run flat LEXUS LS500H 2019 User Guide

4708-1. Specifications
LS500h_OM_(U)_1809
Tire size (P.471)
Run-flat tire (RFT) or standard tire ( P.439)
This vehicle can be equipped with either run-flat tires (RFT) or standard tires. A
mark is molded on the sidewall of the run-flat tire.
DOT and Tire Identification Number (TIN) ( P.471)
Location of treadwear indicators ( P.392)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the plies
in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire has a
tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure ( P.393)
Maximum cold tire inflation pressure ( P.464)
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires ( P.393)
Tire information
Typical tire symbols
A
B
C
D
E
F
G
H
I
J
K

4718-1. Specifications
LS500h_OM_(U)_1809
8
Vehicle specifications
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer tire.
Type A
DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Tire size code
Manufacturer’s optional tire type
code (3 or 4 letters)
Manufacturing week
Manufacturing year
*:The DOT symbol cert ifies that the tire
conforms to applicable Federal Motor
Vehicle Safety Standards.
Type B
DOT symbol
*
Tire Identification Number (TIN)
Tire manufacturer’s identification
mark
Manufacturer’s code
Manufacturing week
Manufacturing year
*: The DOT symbol certifies that the tire conforms to applicable Federal Motor
Vehicle Safety Standards.
■Typical tire size information
The illustration indicates typical tire
size.
Tire use (P = Passenger car, T =
Temporary use)
Section width (millimeters)
Aspect ratio (tire height to section
width)
Tire construction code (R = Radial,
D = Diagonal)
Run-flat tire code
Wheel diameter (inches)
Load index (2 digits or 3 digits)
Speed symbol (alphabet with one
Typical DOT and Tire Identifica-
tion Number (TIN)
A
B
C
D
E
F
G
A
Tire size
B
C
D
E
F
A
B
C
D
E
F
G
H

4778-1. Specifications
LS500h_OM_(U)_1809
8
Vehicle specifications
Pneumatic tire
A mechanical device made of rubber, chemicals,
fabric and steel or other materials, that, when
mounted on an automotive wheel, provides the
traction and contains the gas or fluid that sustains
the load
Radial ply tire
A pneumatic tire in which the ply cords that extend
to the beads are laid at su bstantially 90 degrees to
the centerline of the tread
Reinforced tire
A tire designed to operat e at higher loads and at
higher inflation pressures than the corresponding
standard tire
Section width
The linear distance between the exteriors of the
sidewalls of an inflated tire, excluding elevations
due to labeling, decoration, or protective bands
SidewallThat portion of a tire between the tread and bead
Sidewall separationThe parting of the rubber compound from the cord
material in the sidewall
Snow tire
A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-1136
Standard Referenc e Test Tire, when using the snow
traction test as described in ASTM F-1805-00,
Standard Test Method fo r Single Wheel Driving
Traction in a Straight Line on Snow-and Ice-Cov-
ered Surfaces, and which is marked with an Alpine
Symbol ( ) on at least one sidewall
Test rimThe rim on which a tire is fitted for testing, and may
be any rim listed as appropriate for use with that tire
TreadThat portion of a tire that comes into contact with
the road
Tread ribA tread section running ci rcumferentially around a
tire
Tread separationPulling away of the tread from the tire carcass
Tire related termMeaning

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

524
LS500h_OM_(U)_1809
GAS STATION INFORMATION
Auxiliary catch lever (P.382)
Trunk opener ( P.118)
Fuel filler door opener ( P.198)
Fuel filler door ( P.198)
Hood lock release lever ( P.382)
Tire inflation pressure ( P.464)
Fuel tank capacity (Ref-
erence)22.2 gal. (84.0 L, 18.5 Imp. gal.)
Fuel typeUnleaded gasoline onlyP.459
P.468
Cold tire inflation pres-
sureP.464
Engine oil capacity
(Drain and refill  ref-
erence)
P.460
Engine oil typeP.460
A
B
C
D
E
F