2014 Lexus IS250 tire pressure

5229-1. Specifications
IS350/250_U (OM53758U)
CT
A pneumatic tire with an inverted flange tire and rim
system in which the rim is designed with rim flanges
pointed radially inward and the tire is designed to fit on
the underside of the rim in a manner that encloses the
rim flanges inside the air cavity of the tire
Extra load tireA tire designed to operate at higher loads and at higher
inflation pressures than the corresponding standard tire
GrooveThe space between two adjacent tread ribs
InnerlinerThe layer(s) forming the inside surface of a tubeless tire
that contains the inflating medium within the tire
Innerliner separationThe parting of the innerliner from cord material in the
carcass
Intended outboard sidewall
(a) The sidewall that contains a whitewall, bears white lettering, or bears manufacturer, brand, and/or
model name molding that is higher or deeper than
the same molding on the ot her sidewall of the tire,
or
(b) The outward facing sidewall of an asymmetrical tire that has a particular side that must always face out-
ward when mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as primarily
intended for use on lightweight trucks or multipurpose
passenger vehicles
Load ratingThe maximum load that a tire is rated to carry for a given
inflation pressure
Maximum load ratingThe load rating for a tire at the maximum permissible
inflation pressure for that tire
Maximum permissible infla-
tion pressureThe maximum cold inflation pressure to which a tire may
be inflated
Measuring rimThe rim on which a tire is fitted for physical dimension
requirements
Open spliceAny parting at any junction of tread, sidewall, or inner-
liner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Tire related termMeaning

5239-1. Specifications
9
Vehicle specifications
IS350/250_U (OM53758U)
Overall widthThe linear distance between the exteriors of the side-
walls of an inflated tire, including elevations due to label-
ing, decorations, or pr otective bands or ribs
Passenger car tire
A tire intended for use on passenger cars, multipurpose
passenger vehicles, and trucks, that have a gross vehicle
weight rating (GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adjacent plies
Pneumatic tire
A mechanical device made of rubber, chemicals, fabric
and steel or other materials, that, when mounted on an
automotive wheel, provides the traction and contains
the gas or fluid that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that extend to
the beads are laid at substantially 90 degrees to the
centerline of the tread
Reinforced tire A tire designed to operate at higher loads and at higher
inflation pressures than the corresponding standard tire
Section width
The linear distance between the exteriors of the side-
walls of an inflated tire, excluding elevations due to
labeling, decoration, or protective bands
SidewallThat portion of a tire between the tread and bead
Sidewall separationThe parting of the rubber compound from the cord
material in the sidewall
Snow tire
A tire that attains a traction index equal to or greater
than 110, compared to the ASTM E-1136 Standard Ref-
erence Test Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard Test Method
for Single Wheel Driving Tract ion in a Straight Line on
Snow-and Ice-Covered Surfaces, and which is marked
with an Alpine Symbol ( ) on at least one sidewall
Te s t r i mThe rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
Tire related termMeaning

534
IS350/250_U (OM53758U)9-3. Items to initialize
Items to initialize
The following items must be initialized for normal system operation after such
cases as the battery being reconnecte
d, or maintenance being performed on
the vehicle:
ItemWhen to initializeReference
Maintenance data• After the maintenance is per- formedP. 3 9 1
Tire pressure warning system
• When rotating the tires
• When changing the tire inflation
pressure by changing traveling
speed or load weight, etc.
P. 4 1 3

560Alphabetical index
IS350/250_U (OM53758U)
I/M test ..................................................... 396
IdentificationEngine ....................................................... 501
Vehicle ..................................................... 501
Ignition switch (engine switch)......... 159
Illuminated entry system .................... 357
Immobilizer system................................. 69
Indicators .................................................... 78
Initialization Maintenance.......................................... 391
Moon roof ...............................................142
Multi-information display ................. 88
Power windows ................................... 138
Tire pressure warning system..................................412
Initiators (tire pressure warning system).................................. 418
Inside door handle lights ................... 356
Inside rear view mirror .........................132
Instrument panel light control ............ 84
Interior lights........................................... 357 Wattage ................................................. 509
Intuitive parking assist........................... 214
Jack Positioning a floor jack ................... 400
Vehicle-equipped jack ................... 476
Jack handle .................................................. 476
Jam protection function Moon roof ................................................ 141
Power windows ................................... 138 Keyless entry
Smart access system with push-button start.........103, 109
Wireless remote control.......103, 109
Keys .............................................................. 98 Battery-saving function ..................... 115
Electronic key ......................................... 98
Engine switch ........................................159
If the electronic key does not operate properly ....... 488
Key number plate ................................. 98
Keyless entry ........................................... 98
Mechanical key...................................... 99
Replacing the battery .......................427
Warning buzzer...................................104
Wireless remote control................... 98
Knee airbags ..............................................36
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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

567Alphabetical index
IS350/250_U (OM53758U)
Sun shadeRear...........................................................367
Roof.............................................................. 141 switch settings ................................... 88
Switches Audio remote control switches ...............................................265
BSM (Blind spot monitor) switch....................................................265
Cruise control switch........................ 192
Door lock switches ............................ 105
Driving mode select switch ............231
Driving position memory switches .................................................123
Dynamic radar cruise control switch .................................... 196
Emergency flashers switch ...........446
Engine switch ........................................ 159
Fog light switch ...................................... 181
Garage door opener switches ...............................................370
Heated steering wheel switch....................................................354
Ignition switch ....................................... 159
Intuitive parking assist ........................214
LDA (Lane Departure Alert) switch................................................... 209
Light switches ........................................173
Meter control switches ...................... 87 Moon roof switches ...........................140
Outside rear view mirror
switches ................................................ 134
Paddle shift switches..........................166
PCS OFF switch .................................. 241
Power door lock switch .................. 105
Power window switches .................. 137
Rear sunshade switch ..................... 367
Rear window and outside rear view mirror defoggers
switch ...................................................350
Seat heater switches ........................355
Seat ventilator switches ..................355
Snow mode switch .............................165
Steering wheel switch ........................ 87
“SOS” button ....................................... 378
Talk switch............................................... 321
Telephone switches............................ 321
Tilt and telescopic steering control switch ................. 130
Tire pressure warning reset switch ..................................................... 413
Trunk opener switch ......................... 109
Trunk opener main switch ............... 110
Vehicle-to-vehicle distance button .....................................................199
VSC OFF switch ............................... 236
Window lock switch .......................... 137
Windshield wipers and washer switch ...........................182

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

570Alphabetical index
IS350/250_U (OM53758U)
Units .............................................................. 88
USB device ................................. 296, 338Connecting ...........................................266
USB audio .............................................296
USB photo ........................................... 338
USB port .................................................. 266
Vanity lights Vanity lights ......................................... 365
Wattage ................................................. 509
Vanity mirrors ........................................ 365
Variable Gear Ratio Steering (VGRS) ................................................. 234
VDIM (Vehicle Dynamics Integrated Management) .............. 235
Vehicle data recordings .......................... 9
Vehicle Dynamics Integrated Management (VDIM) ..................... 235
Vehicle identification number .......... 501
Vehicle Stability Control (VSC) ..................................................... 234
Ventilators (seat ventilators)............ 355
VGRS (Variable Gear Ratio Steering) ............................................... 234
Voice command system ......................341
VSC (Vehicle Stability Control) ............ 234 Warning buzzers
Brake system .......................................455
Downshifting ......................................... 168
Key reminder ........................................472
Open door ........................................... 456
Open moon roof ............................... 466
Open hood........................................... 463
Open trunk ........................................... 463
Open window ..................................... 466
Seat belt reminder............................. 456
Warning lights ........................................... 77 ABS ..........................................................455
Automatic headlight leveling system .................................................. 456
Brake system .......................................455
Charging system ...............................455
Electric power steering ..................455
Low fuel level ....................................... 456
Malfunction indicator lamp...........455
Master warning light ........................ 456
Open door ........................................... 456
Pre-collision system ......................... 456
Seat belt reminder light .................. 456
Slip indicator ........................................ 456
SRS............................................................455
Tire pressure ........................................ 457
Warning messages................................ 461
Warning reflector storage belt ...... 364
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