run flat Lexus IS250C 2014 User Guide

522
5-2. Steps to take in an emergency
IS250C/350C_U
If you have a flat tire (vehicles with run-flat tires)
■In some condition (such as at high temperatures)
You cannot continue driving for up to 100 miles (160 km).
■If you cannot distinguish between the standard tires and run-flat tires
Consult your Lexus dealer.
■Spare tire
A spare tire is not provided on the vehicle with run-flat tires.
■For the detailed information on run-flat tires
See the tire warranty book.
Take your vehicle to the nearest Lexus dealer or authorized tire dealer as
soon as possible.
■Run-flat tires (A “RFT” or “DSST” mark is molded on the sidewall)
You can continue driving a vehi-
cle with run-flat tires even if any
tire goes flat.
It is able to run for a maximum of
100 miles (160 km) at a speed
below 50 mph (80 km/h) after
the tire pressure warning light
comes on. (→ P. 4 9 3 )

5
When trouble arises
549
5-2. Steps to take in an emergency
IS250C/350C_U
■Parts removed during the manual closing procedure
Keep any parts removed during the procedure inside the vehicle and take all
removed parts and the vehicle to your Lexus dealer.
CAUTION
■When manually closing the retractable hardtop
Observe the following precautions:
●Stop the vehicle on a flat surface in a safe place.
●Set the parking brake and shift the shift lever to P.
●Ensure that there are no occupants inside the vehicle.
●Do not perform this procedure while there are strong winds blowing.
●Turn the “ENGINE START STOP” switch off.
●Be careful not to catch any part of your body or clothing in the moving parts.
●Some parts of this procedure may result in an injury if performed with bare hands.
Protect your hands with gloves or a piece of cloth when performing the proce-
dure.
NOTICE
■After the retractable hardtop has been closed manually
●Drive as slowly as possible. The trunk lid may not be closed securely, causing it to
open due to wind pressure while driving.
●After the procedure is performed, take the vehicle to your Lexus dealer as soon
as possible.

574
6-1. Specifications
IS250C/350C_U
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is
a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly filled in the tire. A
tube type tire has a tube inside the ti re and the tube maintains the air pres-
sure.
Load limit at maximum cold tire inflation pressure ( →P. 4 3 7 )
Maximum cold tire inflation pressure ( →P. 563)
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tire or all season tire (→ P. 4 3 7 )
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a
summer tire.
“TEMPORARY USE ONLY” (→ P. 5 1 8 )
A compact spare tire is identified by the phrase “TEMPORARY USE
ONLY” molded into its sidewall. This tire is designed for temporary
emergency use only.
Run-flat tire (RFT) or standard tire (→ P. 5 76 )
This vehicle can be equipped with either run-flat tires (RFT) or standard
tires. A “RFT” or “DSST” mark is molded on the sidewall of the run-flat
tire.

576
6-1. Specifications
IS250C/350C_U
Tire size
■ Typical tire size information
The illustration indicates typical
tire size.
Ti r e u s e
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 or 3 digits)
Speed symbol
(alphabet with one letter)
Run-flat tire code

620
Alphabetical index
IS250C/350C_U
TachometerTacho indicator...................................... 161
Tachometer ............................................. 161
Tail lights
Switch ........................................................ 176
Talk switch* ............................................. 326
Telephone switch*................................ 326
Theft deterrent system
Alarm ........................................................ 100
Engine immobilizer system ............. 98
Theft prevention labels ........................ 103
Tire inflation pressure .......................... 441
Tire information Glossary................................................. 579
Size ........................................................... 576
Tire identification number ............. 575
Uniform tire quality grading ......... 577
Tires
Chains ..................................................... 233
Checking ................................................. 431
If you have a flat tire............................513
Inflation pressure.................................. 441
Inflation pressure sensor................ 432
Information............................................ 573
Replacing.................................................513
Rotating tires .......................................... 431
Run-flat tire............................................ 522
Size ...........................................................563
Snow tires .............................................. 233
Spare tire..................................................513
Tools ............................................................ 513
Total load capacity ............................... 232 Towing
Dinghy towing .................................... 238
Emergency towing ........................... 483
Trailer towing ....................................... 237
TRAC ..........................................................214
Traction control.......................................214
Transmission shift switches...... 153, 155
Trip meter ................................................... 161
Trunk Opener ....................................................... 51
Trunk light Trunk light ................................................. 52
Wattage ................................................. 568
Turn signal lights
Replacing light bulbs ....................... 468
Switch........................................................158
Wattage ................................................. 568
USB port* ................................................ 287
Vanity lights Vanity lights.......................................... 364
Wattage ................................................. 568
Vanity mirrors ........................................ 364
VDIM...........................................................214
Vehicle data recordings ......................... 21
Vehicle dynamics integrated management .........................................214
Vehicle identification number ......... 553
Vehicle stability control .......................214
Ventilators ............................................... 372
Voice command switch* ................... 327
VSC ............................................................. 214T
U
V

622
IS250C/350C_U
What to do if...
What to do if...
A tire puncturesP. 5 1 3
P. 5 2 2If you have a flat tire
The engine does not start
P. 5 2 4If the engine will not start
P. 9 8Engine immobilizer system
P. 5 3 2If the vehicle battery is discharged
The shift lever cannot be
moved outP. 5 2 6If 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 3 6If your vehicle overheats
The key is lostP. 5 2 7If you lose your keys
The battery runs outP. 5 3 2If 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 3 9If the vehicle becomes stuck
A warning message is displayedP. 5 0 0If a warning message is displayed

624
IS250C/350C_U
GAS STATION INFORMATION
Auxiliary catch leverP. 4 1 3Trunk openerP. 5 1Fuel filler door P. 9 5
Hood lock release lever P. 4 1 3Fuel filler door openerP. 9 5Tire inflation pressureP. 5 6 3
Fuel tank capacity
(Reference)17.2 gal. (65 L, 14.3 Imp. gal.)
Fuel typeUnleaded gasoline only P. 96, 555
Cold tire inflation
pressureP. 5 6 3
Engine oil capacity
(Drain and refill 
reference)qt. (L, Imp. qt.)
Without filter 6.2 (5.9
, 5.2)With filter 6.7 (6.3, 5.5)
Engine oil typeP. 5 5 6