2014 Lexus IS250 spare tire

5089-1. Specifications
IS350/250_U (OM53758U)
Ty p e D
Ty p e E
Ti r e s i z e225/40R18 88Y, 255/35R18 90Y,
T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire 36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear tire
36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare tire 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Wheel size18  8J (225/40R18), 18  8 1 /2J (255/35R18),
17  4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e225/40R18 88W, 255/35R18 90W,
T125/70D17 98M (spare)
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Front tire
36 psi (250 kPa, 2.5 kgf/cm2 or bar)
Rear tire 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Spare tire 60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Wheel size18  8J (225/40R18), 18  8 1 /2J (255/35R18),
17  4T (spare)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)

5139-1. Specifications
9
Vehicle specifications
IS350/250_U (OM53758U)
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

5149-1. Specifications
IS350/250_U (OM53758U)
Ti r e s i z e ( P. 5 1 6 )
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.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply
tire.
Summer tires or all season tires ( P. 4 1 5 )
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer
tire.
Maximum cold tire inflation pressure ( P. 5 2 0 )
This means the pressure to which a tire may be inflated.
Load limit at maximum cold tire inflation pressure (P. 5 2 0 )
Tire ply composition and materials
Plies are layers of rubber-coated parallel co rds. Cords are the strands which form the
plies in a tire.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
DOT and Tire Identification Number (TIN) ( P. 5 1 5 )
Location of treadwear indicators (P. 4 1 1 )
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE ONLY” molded
on its sidewall. This tire is design ed for temporary emergency use only.
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551What to do if... (Troubleshooting)
IS350/250_U (OM53758U)
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
(P. 4 7 5 )
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(P. 4 9 7 )
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

566Alphabetical index
IS350/250_U (OM53758U)
Shift lever ...................................................164Automatic transmission ................... 164
If the shift lever cannot be shifted from P ............487
Shift lock system.................................... 487
Shift position and gear position ...........81
Side airbags ............................................... 37
Side marker lights................................... 173 Light switch .............................................173
Replacing light bulbs ........................ 442
Side mirrors ..............................................134 Adjusting and folding........................ 134
Blind Spot Monitor............................246
Linked mirror function when reversing ................................. 135
Mirror position memory ...................123
Side turn signal lights ............................170 Replacing light bulbs ........................ 442
Turn signal lever .................................. 170
Slip indicator........................................... 456
Smart access system with push-button start ........................ 114 Antenna location ................................... 114
Entry functions ........................... 103, 109
Starting the engine ............................. 159 SMS (Short message service) .......... 319
Snow mode............................................... 165
Snow tires ................................................ 256
Spare tire ..................................................475
Inflation pressure................................ 507
Storage location ................................. 476
Spark plug ............................................... 504
Specifications......................................... 500
Speedometer .............................................. 81
Speed indicator........................................ 88
Steering lock ............................................. 161 Column lock release .......................... 161
Steering wheel ........................................130 Adjustment............................................. 130
Audio switches ................................... 265
Heated steering wheel ................... 354
Power easy access system ............. 124
Steering wheel position memory .............................. 123
Stop lights Replacing light bulbs ....................... 442
Storage feature ..................................... 358
Stuck If the vehicle becomes stuck........ 497
Sun visors................................................. 365

568Alphabetical index
IS350/250_U (OM53758U)
Tachometer .................................................81
Tail lights..................................................... 173Light switch .............................................173
Replacing light bulbs ........................ 442
Talk switch
*..............................................321
Telephone switches
*............................321
Theft deterrent system Alarm............................................................. 71
Engine immobilizer system..............69
Luggage security system .................. 110
Theft prevention labels ....................... 73
Tire inflation pressure ......................... 420 Maintenance data ............................. 507
Tire inflation pressure display function ..................................................412
Warning light .......................................457
Tire information ...................................... 513 Glossary ................................................ 520
Size ............................................................. 516
Tire identification number............... 515
Uniform Tire Quality Grading................................................ 518 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 ....................................... 457
Tires ...............................................................411 Chains ..................................................... 255
Checking ...................................................411
If you have a flat tire .......................... 475
Inflation pressure................................ 507
Information..............................................513
Replacing ............................................... 475
Rotating tires ............................................411
Size ........................................................... 507
Snow tires .............................................. 256
Spare tire................................................ 475
Tire inflation pressure display function.................................................. 412
Tire pressure warning system ....... 412
Warning light ....................................... 457
T