Page 585 of 648

5859-1. Specifications
9
Vehicle specifications
IS350/300/200t_U (OM53D76U)
Type C
Type D
Tire size225/40R18 88Y, 255/35R18 90Y,
T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front:36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear:
36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 60 psi (420 kPa, 4.2 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 2 psi (10 kPa, 0.1 kgf/cm
2 or bar) to the front tires
and rear tires. Never exce ed the maximum cold tire
inflation pressure indicated on the tire sidewall.
Wheel size18 × 8J (225/40R18), 18 × 8 1/2J (255/35R18),
17 × 4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Tire size225/40R18 88W, 255/35R18 90W,
T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front:
36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Driving at high speeds (above 118 mph [190 km/h]) (in
countries where such speeds are permitted by law)
Add 6 psi (40 kPa, 0.4 kgf/cm
2 or bar) to the front
tires and rear tires. Never exceed the maximum cold
tire inflation pressure indi cated on the tire sidewall.
Wheel size18 × 8J (225/40R18), 18 × 8 1/2J (255/35R18),
17 × 4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Page 593 of 648
5939-1. Specifications
9
Vehicle specifications
IS350/300/200t_U (OM53D76U)
■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 dimensions
Section width
Tire height
Wheel diameter
Tire size
1
2
3
4
5
6
7
1
2
3
Page 598 of 648

5989-1. Specifications
IS350/300/200t_U (OM53D76U)
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 desi gnated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by dis-
tributing 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 dis-
tributing to each axle its sh are of curb weight, accessory
weight, and normal occupant weight (distributed in
accordance with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the inflated
tire
BeadThe part of the tire that is made of steel wires, wrapped
or reinforced by ply cords an d that is shaped to fit the
rim
Bead separationA breakdown of the bond between components in the
bead
Bias ply tireA pneumatic tire in which the ply cords that extend to
the beads are laid at altern ate 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 th e plies in the tire
Cord separationThe parting of cords from adjacent rubber compounds
CrackingAny parting within the tread, sidewall, or innerliner of
the tire extending to cord material
Tire related termMeaning
Page 647 of 648

647Alphabetical index
IS350/300/200t_U (OM53D76U)
Warning buzzersDownshifting ........................................... 181
Driver’s and front passenger’s seat belt reminder ........................... 518
Key reminder .......................................543
Open door ............................................. 518
Open hood ...........................................524
Open moon roof ...............................534
Open trunk .......................................... 525
Open window .....................................534
Rear passengers’ seat belt reminder .............................................. 518
Warning lights .......................................... 75 ABS............................................................ 516
AFS............................................................. 518
Brake system......................................... 516
Charging system................................. 516
Driver’s and front passenger’s seat belt reminder light ................. 518
Electric power steering.................... 517
Low fuel level ........................................ 518
Malfunction indicator lamp ............ 516
Master warning light.......................... 518
Open door ............................................. 518
Pre-collision system........................... 517
Rear passengers’ seat belt reminder lights .................................. 518
Slip indicator .......................................... 518
SRS ............................................................. 516
Tire pressure ......................................... 518
Warning messages .............................. 522 Washer ....................................................... 196
Checking ............................................... 475
Preparing and checking before winter .................................... 294
Switch ........................................................196
Washing and waxing ...........................446
Weight Cargo capacity.....................................169
Load limits ...............................................169
Weight .................................................... 574
Wheels ..................................................... 489 Replacing wheels ..............................489
Size ...........................................................584
Window lock switch.............................. 149
Windows.................................................... 149 Power windows....................................149
Rear window defogger ..................406
Windshield wiper de-icer ................. 406
Windshield wipers ................................. 196 Intermittent windshield wipers with interval adjuster .......196
Rain-sensing windshield wipers.................................................... 198
Winter driving tips ................................294
Wireless remote control .....................106 Battery-Saving Function .................. 123
Locking/Unlocking ....................... 111, 117
Replacing the battery ...................... 493
WMA disc............................................... 332
XM
® Satellite Radio ............................326
W
X
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