run flat Lexus GS350 2010 Using The Audio System / LEXUS 2010 GS460 GS350 (OM30C80U) User Guide

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 )

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.

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6-1. Specifications
6
Vehicle specifications
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Tire size
■Typical tire size information
Ty p e A
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)
Speed category
(alphabet with one letter)
Run-flat tire code
Ty p e B
Ty p e C

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Alphabetical index
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Daytime running light system ........... 158
Defogger
Rear window ........................................ 255
Side mirror ............................................ 255
Dimension ............................................... 586
Dinghy towing ........................................ 225
Display
Multi-information display.................154
Touch screen ....................................... 228
Trip information ................................... 155
Warning message............................. 543
Do-it-yourself maintenance ............. 442
Door courtesy lights ............................382
Door pocket............................................ 392
Doors
Door lock...................................29, 41, 43
Rear door child protector ................ 44
Driver’s seat belt reminder light .....536
Driver’s seat position memory ...........55
Driving
Correct posture ...................................... 91
Procedures ............................................. 126
DVD player/changer......................... 280
Electric power steering ..................... 200
Electronic key
If the electronic key does 
not operate properly ...................... 571
Replacing battery .............................. 482Emergency, in case of
If a warning light turns on .............. 534
If a warning message is 
displayed ............................................ 543
If the electronic key does 
not operate properly ..................... 571
If the engine will not 
start .......................................................568
If the shift lever cannot be 
shifted from “P” ............................... 569
If the 12 volt battery is 
discharged ........................................574
If you have a flat tire ........... 556, 566
If you lose your keys ........................ 570
If you think something is 
wrong .................................................. 530
If your vehicle becomes stuck ......581
If your vehicle has to be stopped 
in an emergency ............................ 583
If your vehicle needs to be 
towed ................................................... 520
If your vehicle overheats................ 578
Engine
ACCESSORY mode....................... 136
Compartment ..................................... 448
Engine (ignition) switch.................... 135
Hood ....................................................... 445
How to start the engine ................... 135
If the engine will not start ...............568
Overheating ........................................ 578
Engine compartment cover ............. 450
Engine coolant temperature 
gauge ....................................................... 147D
E

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

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GS_G_U (OM30C80U)
June 29, 2011 10:30 am
What to do if...
What to do if...
A tire puncturesP. 5 5 6 /
566If you have a flat tire
The engine does not start
P. 8 5Immobilizer system
P. 5 6 8If the engine will not start
P. 5 74If the 12 volt battery is discharged
The shift lever cannot be 
moved outP. 5 6 9If 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 7 8If your vehicle overheats
The key is lostP. 5 7 0If you lose your keys
The 12 volt battery runs outP. 5 74If the 12 volt battery is discharged
The doors cannot be lockedP. 4 3Doors
The horn begins to soundP. 8 7Alarm
The vehicle is stuck in mud or
sandP. 5 8 1If the vehicle becomes stuck

648
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
GAS STATION INFORMATION
Auxiliary catch lever
P. 4 4 5
Trunk opener
P. 4 8
Fuel filler door
P. 8 2
Hood lock release lever
P. 4 4 5
Fuel filler door opener
P. 8 2
Tire inflation pressure
P. 5 9 8
Fuel tank capacity18.7 gal. (71 L, 15.6 Imp.gal.)
Fuel typePremium unleaded gasoline only P. 83, 589
Cold tire inflation 
pressureP. 5 9 8
Engine oil capacity
(Drain and refill)
With filter
Without filterqt. (L, Imp.qt.)
GS460 GS350 (2WD) GS350 (4WD)
9.1 (8.6, 7.6) 6.6 (6.3, 5.5) 6.7 (6.4, 5.6)
8.9 (8.4, 7.4) 6.2 (5.9, 5.2) 6.3 (6.0, 5.3)
Engine oil type“Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC multigrade engine oil P. 590