spare tire Lexus GS350 2010 Specifications / LEXUS 2010 GS460 GS350 (OM30C80U) User Guide

564
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
CAUTION
■When using the compact spare tire
●Remember that your spare tire is specifically designed for use with your vehicle.
Do not use your spare tire on another vehicle.
●Do not use two spare tires simultaneously.
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS
●Brake assist
●Enhanced VSC
●TRAC
●EPS
●VGRS (GS460)
●VDIM
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Navigation system (if equipped)
●Intuitive parking assist (if equipped)
●Rear view monitor system (if equipped)
●Active stabilizer suspension system (if equipped)
●AVS (if equipped)

5
When trouble arises
565
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
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, tires 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 pressure warning valves and transmitters
Do not use liquid sealants on flat tires.

566
5-2. Steps to take in an emergency
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
If you have a flat tire (Vehicles with run-flat tires)
■In some condition (such as at high temperatures)
You can not continue driving for up to 100 miles (160 km).
■Spare tire
A spare tire is not provided on the vehicle with run-flat tires.
■If you cannot distinguish between standard tires and run-flat tires
Consult your Lexus dealer.
■For 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 the
vehicle with run-flat tires even if
any tire goes flat.
The vehicle is able to run for a
maximum of 100 miles (160 km)
at a speed below 55 mph (90
km/h) after the tire pressure
warning light comes on. 
(P. 5 3 7 )

598
6-1. Specifications
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Tires and wheels
Ty p e A
Ti r e s i z e
245/40R18 93Y, 245/40RF18 93Y, 
P245/40R18 93V, P245/40RF18 93V,
245/40ZR18, T155/70D17 110M (spare)
Tire inflation 
pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions
Front: 33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Driving at high speeds above 100 mph (160
km/h) (in countries where such speeds are per-
mitted by law)
Add 9 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.
Spare tire inflation pressure
(Recommended cold tire inflation
pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Wheel size18  8 J, 17  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

599
6-1. Specifications
6
Vehicle specifications
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Type B
Ti r e s i z e
225/50R17 94W, P225/50R17 93V,
P225/50RF17 93V,
T155/70D17 110M (spare)
Tire inflation 
pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions
Front: 33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm2 or bar)
Driving at high speeds above 100 mph (160
km/h) (in countries where such speeds are
permitted by law)
Add 7 psi (50 kPa, 0.5 kgf/cm
2 or bar) to the
front tires and rear tires. Never exceed the
maximum cold tire inflation pressure indi-
cated on the tire sidewall.
Spare tire inflation pressure
(Recommended cold tire inflation
pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Wheel size17  7 1 /2 J, 17  4T (spare)
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)

605
6-1. Specifications
6
Vehicle specifications
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Tire size (P. 6 0 7 )
DOT and Tire Identification Number (TIN) (P. 6 0 6 )
Location of treadwear indicators (P. 463)
Run-flat tire (RFT) or standard tire (P. 566)
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.
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands
which form the plies in a tire.
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 tire and the tube maintains the air pres-
sure.
Load limit at maximum cold tire inflation pressure (P. 611)
Maximum cold tire inflation pressure (P. 611)
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. 468)
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a
summer tire.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE
ONLY” molded into its sidewall. This tire is designed for temporary emer-
gency use only.

638
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Seat heaters/ventilators...................... 401
Seating capacity ..................................... 218
Seats
Adjustment............................................... 53
Adjustment precautions .................... 54
Child seats/child restraint 
system installation ..............................114
Cleaning................................................. 433
Driver’s seat position memory....... 55
Head restraint......................................... 60
Properly sitting in the seat .................. 91
Seat heaters ......................................... 400
Service reminder indicators ...............151
Shift lever
Automatic transmission....................139
If the shift lever cannot be 
shifted from “P”................................569
Shift lock system ....................................569
Shopping bag hooks........................... 408
Side airbags................................................ 93
Side marker lights
Switch ........................................................ 157
Side mirror
Adjusting and folding ..........................73
Mirror position memory ................... 55
Smart access system with 
push-button start
Antenna location..................................... 31
Entry function.......................................... 29
Starting the engine ..............................135
Spare tire
Inflation pressure............................... 598
Storage location ................................. 557
Spark plug ................................................594
Specifications ........................................ 586
Speedometer............................................147Steering wheel
Adjustment ...............................................70
Audio switches ....................................329
Steering wheel position 
memory ................................................. 55
Storage compartment ........................ 390
Storage feature .....................................385
Stuck
If your vehicle becomes stuck ......581
Sun visors ................................................. 393
Switch
“ENGINE START STOP” 
switch ..................................................... 135
Fog light switch ....................................160
Ignition switch ....................................... 135
Light switches........................................ 157
Mode select switch ............................ 140
Power door lock switch..................... 43
Power window switch ........................ 75
Tire pressure warning 
reset switch ....................................... 464
Tire pressure 
warning select switch .................. 466
Window lock switch ............................ 75
Wipers and washer switch............... 161
Tachometer .............................................. 147
Tail lights
Switch ........................................................ 157
Theft deterrent system
Alarm...........................................................87
Immobilizer system ............................. 85
Theft prevention labels.......................... 90
Tire inflation pressure .........................598
T

639
Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Tire information
Glossary ....................................................611
Size ........................................................... 607
Tire identification number .............606
Uniform Tire Quality Grading ...609
Tires
Chains ..................................................... 220
Checking ............................................... 463
Compact spare tire .......................... 557
If you have a flat tire............. 556, 566
Inflation pressure ...............................598
Information............................................ 604
Replacing............................................... 556
Rotating tires ........................................ 463
Size ...........................................................598
Snow tires............................................... 222
Tire pressure warning system..... 463
Tools .......................................................... 556
Total load capacity................................. 218
Touch screen ......................................... 228
Towing
Dinghy towing..................................... 225
Emergency towing ........................... 522
Trailer towing........................................224
Traction control .................................... 200
Trip meter.................................................. 147
Trunk
Opener...................................................... 48
Trunk light .................................................49
Wattage ................................................ 600
Turn signal lights
Replacing light bulbs ......................... 512
Switch ........................................................ 144
Wattage ................................................ 600Vanity lights
Vanity lights ..........................................394
Wattage ................................................. 600
Vanity mirrors ........................................ 394
Variable gear ratio steering .............. 201
Vehicle dynamics 
integrated management .................. 201
Vehicle identification number .........587
Vehicle load limits ................................. 218
Ventilators .............................................. 400
Warning buzzers
Brake system........................................534
Downshifting ..........................................142
Open door .......................................... 536
Seat belt reminder ............................ 536
Warning lights
Anti-lock brake system .................. 535
Brake system........................................534
Charging system................................534
Electric power steering 
warning light .................................... 535
Electronically 
controlled brake system ............ 535
Low fuel level ...................................... 536
Malfunction indicator lamp .......... 535
Master warning light.........................537
Open door ........................................... 536
Pre-collision system......................... 535
Seat belt reminder light.................. 536
SRS airbags.......................................... 535
Tire pressure warning light ...........537V
W