spare tire Lexus IS F 2011 Using The Bluetooth Audio System /

5
When trouble arises
485
5-2. Steps to take in an emergency
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel
beyond repair.
■Be careful when driving over bumps with the compact spare tire installed on the
vehicle
The vehicle becomes lower when driving with the compact spare tire compared to
when driving with standard tires. Be careful when driving over uneven road sur-
faces.
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure warning valve and trans-
mitter may be damaged if not handled correctly.
■To avoid damaging the tire pressu re warning valves and transmitters
Do not use liquid sealants on flat tires.

511
6-1. Specifications
6
Vehicle specifications
Steering
Tires and wheels
Free playLess than 1.2 in. (30 mm)
Ti r e s i z e
Front: 225/40R19 93Y
Rear: 255/ 35R19 96Y
Spare: T135/70R18 103M
Front and rear tire inflation pres-
sure
(Recommended cold tire inflation
pressure)
Front:
36 psi (250 kPa, 2.5 kgf/cm2 or bar)*
Rear:
36 psi (250 kPa, 2.5 kgf/cm
2 or bar)*
Spare:
60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
*: When driving at high speeds above 100 mph
(160 km/h), in countries where such speeds
are permitted by law, add 9.0 psi (60 kPa, 0.6
kgf/cm
2 or bar) to the front tires and rear tires.
Never exceed the maximum cold tire inflation
pressure indicated on the tire sidewall.
Wheel size
Front wheels: 19  8J
Rear wheels: 19  9J
Spare wheel: 18  4T
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

516
6-1. Specifications
Tire information
Ty p i c a l t i r e s y m b o l s
Standard tire
Compact spare tire
Tire size (P. 5 1 8 )
DOT and Tire Identification Number (TIN) ( P. 5 1 8 )
Location of treadwear indicators ( P. 3 9 7 )
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.

517
6-1. Specifications
6
Vehicle specifications
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 0 4 )
Maximum cold tire inflation pressure ( P. 511)
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 0 4 )
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a
summer tire.
“TEMPORARY USE ONLY” ( P. 4 8 2 )
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.

561
Alphabetical index
Spare tireInflation pressure ...............................408
Storage location.................................. 477
Spark plug ............................................... 508
Specifications......................................... 502
Speedometer ........................................... 146
Steering wheel Adjustment ...............................................67
Audio switches ....................................267
Steering wheel positionmemory ................................................... 51
Storage feature ..................................... 323
Stuck If your vehicle becomes stuck .... 498
Sun visors................................................. 329
Sunshade ..................................................... 77
Switch Emergency flasher switch ..............442
Engine switch ........................................130
Fog light switch.......................................161
F-sport mode total control switch .......................................... 136, 189
Hazard light switch............................442
Ignition switch........................................130
Light switches....................................... 158 Power door lock switch .................... 42
Power window switch ........................ 73
Satellite switches................................. 332
SNOW switch ..................................... 136
Transmission shift
switches ...................................... 137, 139
Window lock switch............................ 73
Wiper and washer switch................162
Tachometer.............................................. 146
Tail lights Switch........................................................ 158
Talk switch ............................................... 293
Telephone switch .................................. 293
Theft deterrent system Alarm.......................................................... 85
Engine immobilizer system..............83
Theft prevention labels ......................... 88
Tire inflation pressure ........................ 408
Tire information Glossary .................................................. 521
Size ............................................................. 518
Tire identification number............... 518
Uniform tire quality grading .......... 519
T