tire size LEXUS RC350 2015 Owner's Manual

6159-1. Specifications
9
Vehicle specifications
RC350/RCF_U (OM24636U)
RC350 (type C)
RC350 (type D)
Ti r e s i z eP235/45R18 94V, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditionsFront: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 3 psi (20 kPa, 0.2 kgf/cm
2 or bar) to the front
tires, 6 psi (40 kPa, 0.4 kgf/cm2 or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size18  8J, 17  4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z eP235/45R18 94V, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 km/h]) (in
countries where such speeds are permitted by law)
Add 3 psi (20 kPa, 0.2 kgf/cm
2 or bar) to the front
tires, 6 psi (40 kPa, 0.4 kgf/cm2 or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size18  8J, 18  4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)

6169-1. Specifications
RC350/RCF_U (OM24636U)
RC350 (type E)
RC350 (type F)
Ti r e s i z e235/40R19 96V, T155/70D17 110M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions Front: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 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, 8 psi (50 kPa, 0.5 kgf/cm2 or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size19  8J, 17  4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e235/40R19 96V, T145/70D18 107M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 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, 8 psi (50 kPa, 0.5 kgf/cm2 or bar) to the rear
tires. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size19  8J, 18  4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)

6179-1. Specifications
9
Vehicle specifications
RC350/RCF_U (OM24636U)
RC350 (type G)
RC350 (type H)
Ti r e s i z e
Front tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T155/70D17 110M
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditionsFront: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 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. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel sizeFront wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 17  4T
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z eFront tires: 235/40R19 96Y XL
Rear tires: 265/35R19 94Y
Spare tire: T145/70D18 107M
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Spare: 60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 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. Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
Front wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 18  4T
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)

6189-1. Specifications
RC350/RCF_U (OM24636U)
RC F (type A)
RC F (type B)
Ti r e s i z eFront tires: 255/35ZR19 (92Y)
Rear tires: 275/35ZR19 (96Y)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions Front: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law) Add 8 psi (50 kPa, 0.5 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 sizeFront wheels: 19  9J
Rear wheels: 19  10J
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e
Front tires: 255/35ZR19 (92Y)
Rear tires: 275/35ZR19 (96Y)
Spare tire: 225/40ZR19 (93Y)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear: 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Spare: 42 psi (290 kPa, 2.9 kgf/cm2 or bar)
Driving at high speeds (above 137 mph [220 km/h]) (in
countries where such speeds are permitted by law) Add 8 psi (50 kPa, 0.5 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 sizeFront wheels: 19  9J
Rear wheels: 19  10J
Spare wheel: 19  8 1 /2J
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)

6239-1. Specifications
9
Vehicle specifications
RC350/RCF_U (OM24636U)
Full-size tire
Compact spare tire
Tire information
Ty p i c a l t i r e s y m b o l s

6269-1. Specifications
RC350/RCF_U (OM24636U)
■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

6319-1. Specifications
9
Vehicle specifications
RC350/RCF_U (OM24636U)
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 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
We a t h e r s i d eThe 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 and that is shaped to fit the
rim
Bead separationA breakdown of the bond be tween 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

680Alphabetical index
RC350/RCF_U (OM24636U)
Tachometer .......................................90, 96Variable red zone................................. 101
Tail lights...................................................208 Light switch .......................................... 208
Replacing light bulbs ......................... 519
Talk switch
*............................................388
Telephone switches
*..........................388
Theft deterrent system Alarm........................................................... 78
Engine immobilizer system.............. 76
Luggage security system .................142
Theft prevention labels ...................... 80
Tire inflation pressure .........................500 Maintenance data ............................... 614
Tire inflation pressure display function ................................................492
Warning light ...................................... 535
Tire information ..................................... 623 Glossary ................................................ 630
Size ............................................................626
Tire identification number..............625
Uniform Tire Quality Grading.............................................. 628 Tire pressure warning system ..........492
Initializing ............................................... 492
Installing tire pressure warning valves and transmitters................ 492
Registering ID codes ....................... 493
Tire pressure warning reset switch ................................................... 493
Warning light .......................................535
Tires ............................................................. 491 Chains .......................................................316
Checking .................................................491
Emergency tire puncture repair kit .............................................. 574
If you have a flat tire ............. 560, 574
Inflation pressure..................................614
Information............................................ 623
Replacing .............................................. 560
Rotating tires ..........................................491
Size .............................................................614
Snow tires ................................................ 317
Spare tire............................................... 560
Tire inflation pressure display function................................................ 492
Tire pressure warning system ..... 492
Warning light .......................................535
T