inflation pressure Lexus IS250 2013 Using the Bluetooth audio system / LEXUS 2013 IS250,IS350 (OM53B64U) Owner's Guide

536
6-1. Specifications
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Production options
weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle's designated seating capacity
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer.
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
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
Tire related termMeaning

538
6-1. Specifications
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
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 tire
A 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
Tire related termMeaning

539
6-1. Specifications
6
Vehicle specifications
Intended outboard side-
wall
(a) The sidewall that contains a whitewall, bears white lettering, or bear s manufacturer, brand,
and/or model name molding that is higher or
deeper than the same molding on the other side-
wall of the tire, or
(b) The outward facing sidewall of an asymmetrical
tire that has a particular side that must always
face outward when mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as primarily
intended for use on lightweight trucks or multipur-
pose 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
inflation 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
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of the side-
walls of an inflated tire, including elevations due to
labeling, decorations, or protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars, multipur-
pose passenger vehicles, and trucks, that have a
gross vehicle weight rating (GVWR) of 10000 lb. or
less.
PlyA layer of rubber-coated parallel cords
Tire related termMeaning

540
6-1. Specifications
Ply separationA parting of rubber compound between adjacent
plies
Pneumatic tire
A mechanical device made of rubber, chemicals, fab-
ric and steel or other mate rials, 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
Reference Test Tire, when using the snow traction test
as described in ASTM F-1805-00, Standard Test
Method for Single Wheel Driving Traction 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
Tr e a dThat portion of a tire that comes into contact with the
road
Tire related termMeaning

547
6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Maintenance data
(U.S.A. only)After the maintenance is performedP. 3 8 0
Tire pressure warning
system
• When rotating the tires with differing front and rear tire inflation pressures.
• When changing the tire inflation pressure by changing traveling
speed.
• When changing the tire size.
P. 4 0 7
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.

578
Alphabetical index
Smart access system with push-button startEntry function.......................................... 33
Starting the engine ............................. 140
“SOS” button ..........................................363
Spare tire Inflation pressure................................. 418
Storage location .................................483
Spark plug ................................................. 517
Specifications .......................................... 510
Speedometer Speed indicator ....................................153
Speedometer.........................................153
Steering wheel Audio switches* ................................. 267
Manual adjustment ...............................73
Power adjustment .................................74
Steering wheel positionmemory.................................................. 59
Storage feature......................................323 Stuck
If your vehicle becomes stuck .... 507
Sun visors ................................................. 330
Sunshade Rear ...........................................................344
Roof ............................................................. 85
Switch ECT switch ............................................. 145
Emergency flasher switch............. 454
Engine switch ........................................ 140
Fog light switch ...................................... 171
Hazard light switch .......................... 454
Ignition switch ....................................... 140
Light switches........................................ 167
Power door lock switch.................... 48
Power window switch ......................... 81
Satellite switches................................ 333
Transmission shift switches ............ 147
VSC off switch ..................................... 193
Window lock switch ............................. 81
Wiper and washer switch ............... 173

579
Alphabetical index
TachometerTacho indicator .................................... 153
Tachometer ............................................ 153
Tail lights Switch ........................................................ 167
Talk switch*............................................. 293
Telephone switch* ................................292
Theft deterrent system Alarm .......................................................... 93
Engine immobilizer system ............... 91
Theft prevention labels ..........................96
Tire inflation pressure...........................418
Tire information Glossary ................................................ 535
Size ........................................................... 532
Tire identification number ............. 532
Uniform tire quality grading......... 533
Tires Chains ....................................................... 201
Checking ............................................... 406
If you have a flat tire.......................... 483
Inflation pressure .................................418
Inflation pressure sensor................408
Information............................................530
Replacing............................................... 483
Rotating tires ........................................ 406
Size ........................................................... 520
Snow tires................................................ 201 Tools ...........................................................483
Total load capacity .............................. 200
Towing
Dinghy towing .................................... 206
Emergency towing........................... 455
Trailer towing ...................................... 205
TRAC............................................................ 191
Traction control ........................................ 191
Transmission shift switches .................147
Trip meter ................................................. 153
Trunk Extending trunk space ....................346
Opener ...................................................... 53
Trunk light Trunk light ................................................. 54
Wattage ..................................................525
Turn signal lights Replacing light bulbs ........................ 444
Switch........................................................ 150
Wattage ..................................................525T
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.

584
GAS STATION INFORMATION
Auxiliary catch leverP. 3 8 8Trunk openerP. 5 3Fuel filler door P. 8 8
Hood lock release lever P. 3 8 8Fuel filler door openerP. 8 8Tire inflation pressureP. 5 2 0
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel typeUnleaded gasoline only P. 89, 513
Cold tire inflation
pressureP. 5 2 0
Engine oil capacity
(Drain and refill 
reference)
qt. (L, Imp. qt.)
(2WD models) (AWD models)
Without filter 6.2 (5.9
, 5.2)6.3 (6.0, 5.3)
With filter 6.7 (6.3, 5.5) 6.8 (6.4, 5.6)
Engine oil typeP. 5 1 4