flat tire Lexus IS250C 2012 Instrument cluster / LEXUS 2012 IS250C,IS350C (OM53A62U) Workshop Manual

591
6-1. Specifications
6
Vehicle 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

592
6-1. 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

593
6-1. Specifications
6
Vehicle 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
Tire related termMeaning

600
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Maintenance data
(U.S.A. only)After the maintenance is performedP. 4 1 1
Tire pressure warning
system
• When changing the tire inflation pressure by changing traveling
speed.
• When changing the tire size.
P. 4 3 7
The following item must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.

621
Alphabetical index
Electric power steering ....................... 219
Electronic keyIf the electronic key does not operate properly ............................ 533
Emergency, in case of If a warning message is displayed ............................................ 504
If the electronic key does not operate properly ............................ 533
If the engine will not start ............... 529
If the retractable hardtop does not close ................................. 547
If the shift lever cannot be shifted from P ..................................... 531
If the vehicle has a discharged battery..................................................538
If the warning buzzer sounds...... 495
If the warning light turns on .......... 495
If you have a flat tire ......................... 518
If you lose your keys ........................ 532
If you think something is wrong................................................... 493
If your vehicle becomes stuck .... 545
If your vehicle has to be stopped in an emergency ......... 557
If your vehicle needs to be towed ................................................... 487
If your vehicle overheats................ 542
Emergency flashers Switch ...................................................... 486 Engine
Compartment...................................... 422
Engine switch ........................................ 148
Hood ......................................................... 419
How to start the engine ................... 148
Identification number ........................ 561
If the engine will not start................529
Ignition switch ....................................... 148
Overheating .........................................542
Engine compartment cover ............. 424
Engine coolant Capacity .................................................567
Checking ............................................... 429
Preparing and checking before winter ....................................238
Engine coolant temperature gauge....................................................... 166
Engine immobilizer system..................98
Engine oil Capacity ................................................ 564
Checking ............................................... 426
Preparing and checking before winter ....................................238
EPS .............................................................. 219
Event data recorder .................................21E
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

627
Alphabetical index
Side mirrorAdjusting and folding ..........................79
Mirror position memory ..................... 61
Smart access system with push-button startEntry function ..........................................32
Starting the engine..............................148
“SOS” button ......................................... 394
Spare tire Inflation pressure ................................447
Storage location.................................. 518
Spark plug ............................................... 568
Specifications......................................... 560
Speedometer Speed indicator ....................................166
Speedometer ........................................166
Steering wheel Adjustment ...............................................76
Audio switches ................................... 306
Steering wheel positionmemory ................................................... 61
Storage feature ....................................... 361 Stuck
If your vehicle becomes stuck .... 545
Sun visors .................................................368
Switch All window control switch ................ 82
ECT switch............................................. 154
Emergency flasher switch ............ 486
Engine switch ........................................ 148
ETCS switch ............................................ 161
Fog light switch .................................... 185
Hazard light switch .......................... 486
Ignition switch ....................................... 148
Light switches ......................................... 181
Power door lock switch .................... 47
Power window switch ........................ 82
Roof switch...............................................86
Satellite switches...................................371
Transmission shift switches ......................................155, 157
Window lock switch............................83
Wiper and washer switch............... 187

628
Alphabetical index
TachometerTacho indicator.....................................166
Tachometer ............................................166
Tail lights Switch ......................................................... 181
Talk switch* .............................................332
Telephone switch*................................332
Theft deterrent system Alarm ........................................................ 100
Engine immobilizer system ............. 98
Theft prevention labels ........................ 103
Tire inflation pressure ......................... 447
Tire information Glossary................................................ 588
Size .......................................................... 585
Tire identification number .............584
Uniform tire quality grading ........ 586
Tires Chains ..................................................... 238
Checking ............................................... 437
If you have a flat tire ........................... 518
Inflation pressure................................ 447
Inflation pressure sensor................438
Information............................................582
Replacing ................................................ 518
Rotating tires ........................................ 437
Run-flat tire............................................ 527
Size ........................................................... 572
Snow tires .............................................. 238
Spare tire................................................. 518
Tools ............................................................ 518
Total load capacity ............................... 237 Towing
Dinghy towing ......................... 243, 244
Emergency towing ........................... 487
Trailer towing ....................................... 242
TRAC ..........................................................219
Traction control.......................................219
Transmission shift switches.......155, 157
Trip meter ..................................................166
Trunk Opener ....................................................... 51
Trunk light Trunk light .................................................52
Wattage ..................................................577
Turn signal lights Replacing light bulbs ........................475
Switch ........................................................ 162
Wattage ..................................................577
USB port* ................................................ 293
Vanity lights Vanity lights.......................................... 369
Wattage ..................................................577
Vanity mirrors ........................................ 369
VDIM...........................................................219
Vehicle dynamics integrated management .........................................219
Vehicle identification number...........561
Vehicle stability control .......................219
Ventilators ................................................377
Voice command switch* ................... 333
VSC .............................................................219T
U
V

630
What to do if...
What to do if...
A tire puncturesP. 5 1 8
P. 5 2 7If you have a flat tire
The engine does not start
P. 5 2 9If the engine will not start
P. 9 8Engine immobilizer system
P. 5 3 8If the vehicle battery is discharged
The shift lever cannot be
moved outP. 5 3 1If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 5 4 2If your vehicle overheats
The key is lostP. 5 3 2If you lose your keys
The battery runs outP. 5 3 8If the vehicle battery is discharged
The doors cannot be lockedP. 4 7Doors
The horn begins to soundP. 1 0 0Alarm
The vehicle is stuck in mud or
sandP. 5 4 5If the vehicle becomes stuck
A warning message is displayedP. 5 0 4If a warning message is displayed

632
GAS STATION INFORMATION
Auxiliary catch leverP. 4 1 9Trunk openerP. 5 1Fuel filler door P. 9 5
Hood lock release lever P. 4 1 9Fuel filler door openerP. 9 5Tire inflation pressureP. 5 7 2
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel typeUnleaded gasoline only P. 96, 563
Cold tire inflation
pressureP. 5 7 2
Engine oil capacity
(Drain and refill 
reference)qt. (L, Imp. qt.)
Without filter 6.2 (5.9, 5.2)
With filter 6.6 (6.3, 5.5)
Engine oil typeP. 564