2015 Lexus GS350 tire size

GS350_OM_OM30E15U_(U)
5438-1. Specifications
8
Vehicle specifications
Ty p e A
Ty p e B
Ty p e C
Tires and wheels
Ti r e s i z e225/50R17 94W
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front tire33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Rear tire 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Wheel size17  7 1 /2J
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e235/45R18 94Y
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front tire
33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Rear tire 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Wheel size18  8J
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z eP235/45R18 94V
Tire inflation
pressure
(Recommended
cold tire inflation
pressure)2WD
Front tire
35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear tire 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
AW D
Front tire33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Rear tire 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Wheel size18  8J
Wheel nut
torque76 f t•lbf (103 N•m, 10.5 kgf•m)

544
GS350_OM_OM30E15U_(U)
8-1. Specifications
Ty p e D
Compact spare tire
Ti r e s i z e235/40R19 96Y XL, 265/ 35R19 94Y,
235/40R19 96V XL
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front tire35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear tire 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Wheel size19  8J (235/40R19), 19  9J (265/35R19)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z eT155/70D17 110M, T145/70D18 107M
Tire inflation pressure
(Recommended cold tire
inflation pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Wheel size17  4T (T155/70D17), 18  4T (T145/70D18)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)

549
GS350_OM_OM30E15U_(U)8-1. Specifications
8
Vehicle specifications
Tire information
Full-size tire
Compact spare tire
Typical tire symbols

550
GS350_OM_OM30E15U_(U)
8-1. Specifications
Tire size ( P. 5 5 2 )
DOT and Tire Identification Number (TIN) ( P. 5 5 1 )
Location of treadwear indicators ( P. 410)
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. 5 5 6 )
Maximum cold tire inflation pressure ( P. 5 5 6 )
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. 415)
An all season tire has “M+S” on the side wall. A tire not marked “M+S” is a summer
tire.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE ONLY”
molded on its sidewall. This tire is designed for temporary emergency use only.
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552
GS350_OM_OM30E15U_(U)
8-1. Specifications
■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)
Wheel diameter (inches)
Load index
(2 digits or 3 digits)
Speed symbol
(alphabet with one letter)
■Tire dimensionsSection width
Tire height
Wheel diameter
Tire size
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GS350_OM_OM30E15U_(U)
5578-1. Specifications
8
Vehicle specifications
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code
Rim widthNominal 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 designated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is determined by
distributing to each axle its share of curb weight,
accessory weight, and normal occupant weight (dis-
tributed in accordance with Table 1
* below), and
dividing by two
We a t h e r s i d eThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between components in
the bead
Bias ply tire
A pneumatic tire in which the ply cords that extend to
the beads are laid at alternate angles substantially
less than 90 degrees to the centerline of the tread
CarcassThe tire structure, except tread and sidewall rubber
which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or sidewall
CordThe strands forming the plies in the tire
Cord separationThe parting of cords from adjacent rubber com-
pounds
CrackingAny parting within the tread, sidewall, or innerliner of
the tire extending to cord material
Tire related termMeaning

609Alphabetical index
GS350_OM_OM30E15U_(U)
Window lock switch............................ 151
Windshield wipers and washer switch .........................202
Tachometer ........................................ 81, 94
Tail lights.....................................................196 Light switch ............................................ 196
Replacing light bulbs ....................... 455
Welcome light illumination control ................................................... 107
Talk switch
*
Telephone switches*
Theft deterrent system Alarm........................................................... 72
Engine immobilizer system.............. 70
Tire inflation pressure ......................... 543 Maintenance data ..............................543
Tire inflation pressure display function ................................................... 87
Warning light ....................................... 474
Warning message ............................ 495
Tire information ..................................... 549 Glossary ................................................ 556
Size ........................................................... 552
Tire identification number............... 551
Uniform Tire Quality Grading.............................................. 554
Tire pressure warning system ...........412 Function ....................................................412
Initializing..................................................412
Installing tire pressure warning valves and transmitters ..................412
Registering ID codes ........................ 414 Tire pressure warning reset
switch ..................................................... 413
Warning light ....................................... 474
Warning message............................. 495
Tires ............................................................. 410 Chains ..................................................... 286
Checking .................................................410
If you have a flat tire ..........................504
Inflation pressure................................ 543
Information............................................ 549
Replacing ...............................................504
Rotating tires ............................................411
Size ........................................................... 543
Snow tires ..............................................288
Spare tire................................................504
Tire inflation pressure display function................................................... 87
Tire pressure warning system ....... 412
Warning light ....................................... 474
Warning message............................. 495
Tools .......................................................... 505
Top tether strap ........................................66
Total load capacity................................. 174
Towing Dinghy towing ....................................... 176
Emergency towing ........................... 462
Towing eyelet ......................................465
Trailer towing......................................... 175
TRAC (Traction Control)..................249
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

611Alphabetical index
GS350_OM_OM30E15U_(U)
Warning lights ........................................... 77ABS.............................................................471
AFS OFF indicator ............................ 472
Brake system............................ 470, 472
Charging system..................................471
Electric power steering.....................471
Low fuel level ....................................... 473
Malfunction indicator lamp .............471
Master warning light......................... 473
Open door ............................................ 473
Parking brake indicator .................. 472
Pre-collision system.......................... 472
Seat belt reminder light................... 473
Slip indicator ......................................... 472
SRS ..............................................................471
Tire pressure ........................................ 474
Warning messages ..............................480
Warning reflector storage belt.........341
Washer ..................................................... 202 Checking............................................... 409
Low washer fluid warning message ...........................494
Preparing and checking before winter ....................................284
Switch.......................................................202
Washing and waxing........................... 376 Weight
Cargo capacity..................................... 174
Load limits ............................................... 174
Weight ....................................................536
Welcome light illumination control ..................................................... 107
Wheels ......................................................423 Replacing wheels .............................. 423
Size ........................................................... 543
Window glasses....................................... 151
Window lock switch............................... 151
Windows..................................................... 151 Power windows..................................... 151
Rear window defogger .................. 326
Windshield wiper de-icer .................. 327
Windshield wipers ............................... 202 Intermittent windshield wipers with interval adjuster ..... 202
Position ................................................... 287
Rain-sensing windshield wipers................................................... 204
Winter driving tips ............................... 284
Wireless remote control key............. 120 Battery-Saving Function ....................113
Locking/Unlocking ............................120
Replacing the battery .......................427
WMA disc
*
XM® Satellite Radio*
X
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.