wheel size Lexus GS450h 2008 Using the audio system / LEXUS 2008 GS450H (OM30A96U) User Guide

551
6-1. Specifications
6
Vehicle specifications
GS_HV_U
December 12, 2007 3:50 pm
Steering
Tires and wheels
Free playLess than 1.2 in. (30 mm)
Ti r e s i z e245/40R18 93Y, P245/40R18 93V, 
245/40ZR18, T155/70D17 110M (spare)
Front and rear tire inflation 
pressure
(Recommended cold tire inflation
pressure)
Driving under normal conditions
35 psi (240 kPa, 2.4 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)

559
6-1. Specifications
6
Vehicle specifications
GS_HV_U
December 12, 2007 3:50 pm
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)
■ Tire dimensions
Section width
Ti r e h e i g h t
Wheel diameter

590
Alphabetical index
GS_HV_U
December 12, 2007 3:50 pm
Smart access system with 
push-button start Antenna location....................................37
Entry function.......................................... 35
Starting the 
hybrid system .................................... 138
Spare tire Inflation pressure................................. 551
Spare tire................................................. 518
Spark plug ............................................... 548
Specifications .........................................544
Speedometer........................................... 148
Steering wheel Adjustment................................................73
Audio switches ...................................303
Steering wheel position 
memory.................................................. 60
Storage compartment ........................359
Storage feature......................................355
Stuck If your vehicle becomes stuck.......541
Sun visors ................................................. 362
Switch Fog light switch ...................................... 161
Ignition switch....................................... 138
Light switches ....................................... 158
Mode select switch............................. 143
Power door lock switch .................... 50
“POWER” switch ............................... 138
Power window switch ......................... 77
Tire pressure warning 
reset switch ....................................... 436
Tire pressure 
warning select switch...................438
Window lock switch ............................ 77
Wipers and washer switch ............. 162 Tachometer ............................................. 148
Tail lights
Switch ........................................................158
Theft deterrent system Alarm.......................................................... 90
Immobilizer system ............................. 88
Theft prevention labels.......................... 92
Tire inflation pressure .......................... 551
Tire information Glossary ................................................ 562
Size ........................................................... 559
Tire identification number .............558
Uniform Tire Quality Grading ... 560
Tires Chains....................................................... 216
Checking............................................... 435
Compact spare tire............................518
If you have a flat tire ............... 517, 527
Inflation pressure ................................. 551
Information ........................................... 556
Replacing ................................................ 517
Rotating tires........................................ 435
Size ............................................................. 551
Snow tires................................................ 218
Tire pressure warning system..... 435
Tools.............................................................517
Total load capacity ................................. 214
Touch screen.......................................... 224
Towing Dinghy towing .......................................221
Emergency towing ........................... 482
Trailer towing ...................................... 220
Traction control.....................................200T