tire size LEXUS LS500 2019 Owner's Manual

452 8-1. Specifications
LS500_OM_(U)_1810 warning light is illumin ated, refer to P.415.)*2
: Make sure to confirm that the brake warning light (yellow) does not illuminate. (If the
brake warning light illuminates, refer to P.415.) *3
: Vehicles without Lexus Safety System + A *4
: Vehicles with Lexus Safety System + A 
19-inch tires (type A)

19-inch tires (type B)Steering Free play Less than 1.2 in. (30 mm)
Tires and wheels Tire size 245/50RF19 101W
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Driving at high speeds above 118 mph (190 km/h) (in coun-
tries where such speeds are permitted by law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the front tires and
rear tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 19  8J
Wheel nut torque 103 ft•lbf (140 N•m, 14.3 kgf•m)
Tire size 245/50RF19 101V
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Driving at high speeds above 100 mph (160 km/h) (in
countries where such speeds are permitted by law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the front tires and
rear tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.

4538-1. Specifications
LS500_OM_(U)_1810 8
Vehicle specifications 
20-inch tires (type A)

20-inch tires (type B) Wheel size 19  8J
Wheel nut torque 103 ft•lbf (140 N•m, 14.3 kgf•m)
Tire size 245/45RF20 99Y
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Driving at high speeds above 137 mph (220 km/h) (in
countries where such speeds are permitted by law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the front tires and
rear tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 20  8 1/2J
Wheel nut torque 103 ft•lbf (140 N•m, 14.3 kgf•m)
Tire size Front tires: 245/45RF20 99Y
Rear tires: 275/40RF20 102Y
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Driving at high speeds above 137 mph (220 km/h) (in
countries where such speeds are permitted by law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the front tires and
rear tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size Front wheels: 20  8 1/2J
Rear wheels: 20  9 1/2J
Wheel nut torque 103 ft•lbf (140 N•m, 14.3 kgf•m)

454 8-1. Specifications
LS500_OM_(U)_1810 
20-inch tires (type C)

20-inch tires (type D) Tire size 245/45RF20 99V
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm 2
or bar)
Driving at high speeds above 100 mph (160 km/h) (in
countries where such speeds are permitted by law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the front tires and
rear tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size 20  8 1/2J
Wheel nut torque 103 ft•lbf (140 N•m, 14.3 kgf•m)
Tire size Front tires: 245/45RF20 99V
Rear tires: 275/40RF20 102V
Tire inflation pressure
(Recommended cold tire
inflation pressure) Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm 2
or bar)
Driving at high speeds above 100 mph (160 km/h) (in
countries where such speeds are permitted by law)
Add 9 psi (60 kPa, 0.6 kgf/cm 2
or bar) to the front tires and
rear tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size Front wheels: 20  8 1/2J
Rear wheels: 20  9 1/2J
Wheel nut torque 103 ft•lbf (140 N•m, 14.3 kgf•m)

4578-1. Specifications
LS500_OM_(U)_1810 8
Vehicle specifications
Tire size (  P.458)
Run-flat tire (RFT) or standard tire (  P.429)This vehicle can be equipped with either run-flat tires (RFT) or standard tires. A
mark is molded on the side wall of the run-flat tire.
DOT and Tire Identification Number (TIN) (  P.458)
Location of treadwear indicators (  P.382)
Tire ply composition and materialsPlies are layers of rubber-coa ted parallel cords. Cords are the strands which form the plies
in a tire.
Radial tires or bias-ply tiresA radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPEA 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.383)
Maximum cold tire inflation pressure (  P.452)This means the pressure to which a tire may be inflated.
Uniform tire quality gradingFor details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires (  P.383)Tire information
Typical tire symbols
A
B
C
D
E
F
G
H
I
J
K

458 8-1. Specifications
LS500_OM_(U)_1810 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

4618-1. Specifications
LS500_OM_(U)_1810 8
Vehicle specifications Curb weight The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil
and coolant, and if so equipped, air conditioning
and additional weight optional engine
Maximum loaded vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight 150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1 *
that fol-
lows
Occupant distribution Distribution of occupants in a vehicle as specified in
the third column of Table 1 *
below
Production options weight The combined weight of installed regular produc-
tion options weighing over 5 lb. (2.3 kg) in excess of
the standard items which they replace, not previ-
ously considered in curb weight or accessory
weight, including heavy duty brakes, ride levelers,
roof rack, heavy duty battery, and special trim
Rim A metal support for a tire or a tire and tube assem-
bly upon which the tire beads are seated
Rim diameter (Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer’s designation for a rim
by style or code
Rim width Nominal distance between rim flanges
Vehicle capacity weight (Total load
capacity) The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle’s de signated seating capacity
Vehicle maximum load on the tire The load on an individual ti re that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by twoTire related term Meaning

4818-3. Initialization
LS500_OM_(U)_1810 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 battery being reconnected, or maintenance being performed on
the vehicle:
List of items to initialize Item When to initialize Reference
PKSB (Parking Support
Brake) *
• After reconnecting or changing the
battery P.274
Message indicating
maintenance is
required • After maintenance is performed P.364
Oil maintenance • After maintenance is performed P.377
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.388
Lexus parking assist
monitor *
• Battery has been reinstalled.
• The steering wheel has been moved
while the battery was being reinstalled.
• Battery power is low. Refer to the “NAVI-
GATION AND MUL-
TIMEDIA SYSTEM
OWNER’S MAN-
UAL”.
Panoramic view moni-
tor *
• Battery has been reinstalled.
• The steering wheel has been moved
while the battery was being reinstalled.
• Battery power is low. Refer to the “NAVI-
GATION AND MUL-
TIMEDIA SYSTEM
OWNER’S MAN-
UAL”.

5071-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 507Alphabetical Index
Brake Hold switch ...................................... 177
Door lock switches .....................................102
Driving mode select switch ..................289
Driving position memory switches .... 130
Dynamic radar cruise control with
full-speed range switch ....................... 238
Electronic roof sunshade switches ..... 147
Emergency flashers switch ...................406
Engine switch.................................................164
Garage door opener switches ......... 350
Heated steering wheel switch............. 326
HUD (Head-up display) switch............ 89
Ignition switch................................................164
Instrument panel light control switches
....................................................................75, 79
Intuitive parking assist switch...............258
Light switches ................................................ 179
LTA (Lane-Tracing Assist) switch ...... 231
Meter control switches ................................81
Moon roof switches ...................................145
“ODO TRIP” switch ............................ 74, 79
Outside rear view mirror switches .... 140
Paddle shift switches ...... .................... 171, 172
Panoramic moon roof switches ........... 147
Parking brake switch ................................. 174
PCS OFF switch .............................. 207, 217
PKSB (Parking Support Brake) switch
........................................................................... 271
Power door lock switch ...........................102
Power window switches .......................... 142
RCD (Rear camera detection) switch
......................................................................... 267
RCTA switch................................................ 264
Rear door sunshade switch.................. 347
Rear seat heater ......................................... 324
Rear seat position memory switches. 134
Rear seat ventilator ................................... 324
Rear sunshades switch ...........................348
Rear window and outside rear view mir-
ror defoggers switch ..............................313
Seat heater switches ................................ 326
Seat ventilator switches .......................... 326 Snow mode switch....................................... 171
“SOS” button...................................................58
Tilt and telescopic steering control switch
........................................................................... 138
Tire pressure warning reset switch.. 388
Trunk closer switch ....................................108
Trunk opener main switch........................ 110
Trunk opener switch ................................. 106
Vehicle-to-vehicle distance switch...238
VSC OFF switch .......................................296
Window lock switch...................................144
Windshield wiper and washer switch184
Windshield wiper de-icer switch........ 318 T
Tachometer................................................73, 76
Rev indicator ................................................... 78
Rev peak............................................................ 78
Tail lights
Light switch .....................................................179
Replacing light bulbs ............................... 404
Theft deterrent system
Alarm...................................................................65
Engine immobilizer system...................... 63
Tire inflation pressure
Maintenance data ......................................452
Tire inflation pressure display function
......................................................................... 384
Warning light ................................................ 419
Tire information ............................................ 457
Glossary ........................................................ 460
Size ................................................................... 458
Tire identification number..................... 458
Uniform Tire Quality Grading ........... 459
Tire pressure display ... ............................... 384
Tire pressure warning system
Function ......................................................... 384
Initializing....................................................... 388
Installing tire pres sure warning valves
and transmitters.......................................387
Registering ID codes .............................. 389
Warning light ................................................ 419

508 Alphabetical Index
LS500_OM_(U)_1810 Tires
Chains .............................................................. 301
Checking ....................................................... 382
If you have a flat tire .................................. 429
Inflation pressure........................................395
Information .................................................... 457
Replacing .........................................................391
Rotating tires ................................................384
Run-flat tires .....................................384, 429
Size.................................................................... 452
Snow tires ..................................................... 300
Tire inflation pressu re display function
.........................................................................384
Tire pressure warning system .............384
Warning light .................................................419
Top tether strap............................................... 55
Total load capacity ....... ............................... 446
Towing
Dinghy towing ...............................................163
Emergency towing ...................................409
Towing eyelet ................................................ 412
Trailer towing .................................................163
TRAC (Traction Control) ........................ 295
Traction Control (TRAC) ........................ 295
Trailer towing ..................................................163
Transmission
Automatic transmission ............................ 167
Driving mode select switch ..................289
M mode ............................................................ 172
Paddle shift switches ...... .................... 171, 172
Snow mode ......................................................171
Trip meters .................................................74, 79
Trunk .................................................................. 104
Hands Free Power Trunk Lid ...............107
Internal trunk release lever .................... 109
Power trunk opener and closer .......... 106
Smart access system with push-button
start ..................................................................107
Trunk closer switch.................................... 108
Trunk easy closer........................................ 108
Trunk features..............................................340
Trunk grip ....................................................... 108 Trunk lid light.................................................108
Trunk light .......................................................108
Trunk opener main switch........................ 110
Trunk opener switch ................................. 106
Wireless remote control ......................... 107
Trunk lid light .................................................. 108
Trunk light ........................................................ 108
Turn signal lights
Replacing light bulbs ............................... 404
Turn signal lever ...........................................173 U
USB charging ports.................................... 343 V
Vanity lights.................................................... 347
Vanity mirrors ............................................... 347
Variable Gear Ratio Steering (VGRS)295
VDIM (Vehicle Dynamics Integrated Man-
agement)...................................................... 295
Vehicle data recordings ..................................6
Vehicle Dynamics Integrated Manage-
ment (VDIM).............................................. 295
Vehicle identification number ................ 446
Vehicle Stability Control (VSC) ........... 294
Ventilators (seat ventilators)................... 326
VGRS (Variable Gear Ratio Steering)295
VSC (Vehicle Stability Control) ........... 294
W
Warning buzzer
Hands off steering wheel alert (LTA)236
LTA (Lane-Tracing Assist) ...................228
Warning buzzers
ABS .....................................................................417
Airbags............................................................. 416
Approach warning.................................... 243
Brake hold ..................................................... 422
Brake Override System ...........................417
Brake system................................................. 415

5091-1. What to do if... (Troubleshooting)
LS500_OM_(U)_1810 509Alphabetical Index
Charging system .........................................416
Downshifting ........................................ 172, 173
Drive-Start Control .................................... 417
Electric power steering ........................... 418
Engine ...............................................................416
High coolant temperature ......................415
Intuitive parking assist.................. 263, 420
Low engine oil pressure...........................416
LTA (Lane Tracing Assi st)..........225, 419
Open door............................................ 101, 103
Open window ............................................... 143
PKSA (Parking Support Alert) ........... 256
PKSB (Parking Support Brake) ........... 421
Pop Up Hood ............................................... 417
Pre-collision braking......................204, 216
RCD (Rear Camera Detection) ........ 420
RCTA (Rear Cross Traffic Alert) ...... 420
Seat belt ................................................. 418, 419
Warning lights.................................................415
ABS .................................................................... 417
Brake hold operated indicator ........... 422
Brake Override System ........................... 417
Brake system .................................................415
Charging system .........................................416
Drive-Start Control .................................... 417
Electric power steering ........................... 418
High coolant temperature ......................415
Intuitive parking assist OFF indicator
......................................................................... 420
Low engine oil pressure...........................416
Low fuel level ................................................ 418
LTA indicator .................................................419
Malfunction indicator lamp.....................416
Master warning light ................................ 422
Parking brake indicator .......................... 422
PKSB OFF indicator .................................. 421
Pop Up Hood ............................................... 417
Pre-collision system ................................... 421
RCD OFF indicator ................................. 420
RCTA OFF indicator............................... 420
Seat belt reminder light ................. 418, 419
Slip indicator .................................................. 421 SRS ..................................................................... 416
Tire pressure ................................................. 419
Warning messages ..................................... 425
Warning reflector storage belt................341
Washer
Adding............................................................. 379
Preparing and checking before winter
......................................................................... 300
Switch................................................................ 184
Washing and waxing..................................358
Weight
Cargo capacity .............................................162
Load limits .......................................................162
Weight.............................................................446
Wheels
Replacing wheels ........................................ 391
Size ....................................................................452
Window lock switch .....................................144
Windows
Power windows ............................................142
Rear window defogger.............................314
Washer ............................................................ 184
Windshield wiper de-icer ..........................319
Windshield wipers
Position............................................................. 187
Rain-sensing windshield wipers .......... 184
Winter driving tips.......................................300
Wireless remote control
Battery-Saving Function............................ 112
Locking/Unlocking .....................................98
Replacing the battery .............................. 399
?
For information regarding the
equipment listed below, refer to
the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S
MANUAL”.
· Navigation system
· Audio/visual system