flat tire Lexus IS250C 2010 Do-It-Yourself Maintenance / LEXUS 2010 IS350C/250C (OM53A20U) Workshop Manual

560
6-1. Specifications
Tire related termMeaning
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

561
6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
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

562
6-1. Specifications
Tire related termMeaning
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

569
6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Engine oil maintenance
data (U.S.A. only)After changing engine oilP. 4 0 1
Tire pressure warning
system
• When changing the tire inflation pressure by changing traveling
speed.
• When changing the tire size.
P. 4 1 2
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.

582
Alphabetical index
Cruise controlCruise control ...................................... 184
Dynamic radar cruise control .......187
Cup holder ..............................................343
Customizable features .......................564
Daytime running light system ........... 175
Defogger Rear window ........................................ 238
Side mirror ............................................ 238
Dimension ................................................532
Dinghy towing .............................225, 226
Display Dynamic radar cruise control .......187
Satellite switch mode ....................... 349
Trip information ....................................170
Warning message............................. 478
Do-it-yourself maintenance .............392
Door courtesy lights Door courtesy lights.........................338
Wattage.................................................. 547
Doors Door lock................................ 28, 40, 43
Door windows ....................................... 78
Side mirrors ............................................. 75
Driver's seat belt reminder light .......471
Driving Correct posture .................................... 98
Procedures ............................................. 132
Driving position memory ...................... 56 Electric power steering...................... 204
Electronic key
If the electronic key does not operate properly............................ 507
Emergency, in case of If the engine will not start ............... 503
If the retractable hardtop does not close ................................. 520
If the shift lever cannot be shifted from P...................................505
If the vehicle has a discharged battery ................................................... 512
If the warning buzzer sounds...... 469
If the warning light turns on.......... 469
If the warning message is displayed ............................................ 478
If you have a flat tire .........................492
If you lose your keys ........................506
If you think something is wrong .................................................. 465
If the electronic key does not operate properly............................ 507
If your vehicle becomes stuck ......518
If your vehicle has to be stopped in an emergency ......... 530
If your vehicle needs to be towed ................................................... 459
If your vehicle overheats.................. 515
Emergency flashers Switch ...................................................... 458
D
E

587
Alphabetical index
Shift leverAutomatic transmission.................... 147
If the shift lever cannot be shifted from P ...................................505
Manual transmission .......................... 154
Shift lever light ....................................... 338
Shift lock system ................................... 505
Shopping bag hooks ........................... 359
Side airbags ............................................. 100
Side marker lights Switch ........................................................ 174
Side mirror Adjusting and folding ..........................75
Mirror position memory ................... 56
Smart access system with push-button startEntry function ......................................... 28
Starting the engine.............................. 142
“SOS” button .......................................... 372
Spare tire Inflation pressure ................................422
Storage location................................. 492
Spark plug ............................................... 538
Specifications......................................... 532
Speedometer Speed indicator ....................................160
Speedometer ........................................160 Steering wheel
Adjustment ............................................... 72
Audio switches................................... 286
Steering wheel positionmemory ..................................................56
Storage feature......................................340
Stuck If your vehicle becomes stuck ...... 518
Sun visors ................................................. 346
Switch ECT switch............................................. 148
Emergency flasher switch ............ 458
Engine switch .........................................142
ETCS switch .......................................... 155
Fog light switch ..................................... 177
Hazard light switch .......................... 458
Ignition switch ........................................142
Light switches ........................................174
Power door lock switch .................... 43
Power window switch ........................ 78
Roof switch................................................ 81
Satellite switches.................................349
Transmission shift switches ........................................149, 151
Window lock switch............................ 78
Wipers and washer switch ............ 178

588
Alphabetical index
TachometerTacho indicator.................................... 160
Tachometer ........................................... 160
Tail lights Switch ........................................................ 174
Talk switch ..................................................311
Telephone switch .....................................311
Theft deterrent system Alarm .......................................................... 95
Engine immobilizer system ............. 93
Theft prevention labels .......................... 97
Tire inflation pressure ......................... 422
Tire information Glossary................................................. 557
Size ...........................................................554
Tire identification number .............553
Uniform tire quality grading ........ 555
Tires Chains ..................................................... 220
Checking ................................................. 412
If you have a flat tire .......................... 492
Inflation pressure................................ 422
Inflation pressure sensor.................. 413
Information............................................. 551
Replacing ............................................... 492
Rotating tires .......................................... 412
Run-flat tire............................................. 501
Size ........................................................... 542
Snow tires .............................................. 220
Spare tire................................................ 492
Tools ........................................................... 492
Total load capacity ................................ 219 Towing
Dinghy towing .........................225, 226
Emergency towing ........................... 459
Trailer towing ....................................... 224
TRAC ........................................................ 204
Traction control..................................... 204
Transmission shift switches........ 149, 151
Trip meter ................................................. 160
Trunk Opener ...................................................... 47
Trunk light Trunk light ................................................ 48
Wattage ..................................................547
Turn signal lights Replacing light bulbs ....................... 450
Switch ........................................................ 156
Wattage ..................................................547
Vanity lights Vanity lights...........................................347
Wattage ..................................................547
Vanity mirrors ........................................ 347
VDIM......................................................... 204
Vehicle dynamics integrated management ....................................... 204
Vehicle identification number......... 533
Vehicle stability control ..................... 204
Ventilators ............................................... 355
Voice command switch .......................312
VSC ........................................................... 204T
V

590
What to do if...
What to do if...
A tire puncturesP. 4 9 2If you have a flat tire
The engine does not start
P. 5 0 3If the engine will not start
P. 9 3Engine immobilizer system
P. 5 1 2If the vehicle battery is discharged
The shift lever cannot be
moved outP. 5 0 5If 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 1 5If your vehicle overheats
The key is lostP. 5 0 6If you lose your keys
The battery runs outP. 5 1 2If the vehicle battery is discharged
The doors cannot be lockedP. 4 3Doors
The horn begins to soundP. 9 5Alarm
The vehicle is stuck in mud or
sandP. 5 1 8If the vehicle becomes stuck

592
GAS STATION INFORMATION
Auxiliary catch leverP. 3 9 5Trunk openerP. 4 7Fuel filler door P. 9 0
Hood lock release lever P. 3 9 5Fuel filler door openerP. 9 0Tire inflation pressureP. 5 4 2
Fuel tank capacity17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel typeUnleaded gasoline only P. 91, 535
Cold tire inflation
pressureP. 542
Engine oil capacity
(Drain and refill)qt. (L, Imp. qt.)
Without filter 6.2 (5.9
, 5.2)With filter 6.6 (6.3, 5.5)
Engine oil type
Toyota Genuine Motor Oil or equivalent
Oil grade: ILSAC multigrade engine oil P. 536
Recommended oil viscosity: SAE 5W-30