2008 Lexus GS350 tire size

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6-1. Specifications
GS_G_U
May 13, 2008 5:14 pm
Tire related termMeaning
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle’s designated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by
distributing to each axle its share of the maximum
loaded vehicle weight, and dividing by two
Vehicle normal load on
the tire
The load on an individual tire that is determined by
distributing to each axle its share of curb weight,
accessory weight, and normal occupant weight (dis-
tributed in accordance with Table 1* below), and
dividing it by two
We a t h e r s i d eThe surface area of the rim not covered by the
inflated tire
Bead
The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is
shaped to fit the rim
Bead separationA breakdown of the bond between components in
the bead
Bias ply tire
A pneumatic tire in which the ply cords that extend to
the beads are laid at alternate angles substantially
less than 90 degrees to the centerline of the tread
CarcassThe tire structure, except tread and sidewall rubber
which, when inflated, bears the load

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6
Vehicle specifications
GS_G_U
May 13, 2008 5:14 pm
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Intuitive parking assist
• After reconnecting or changing the battery
• After changing a fuse
P. 5 0 7
Engine oil maintenance
data• After changing engine oilP. 4 1 2
Tire pressure warning
system
• When rotating the tires on vehicles differing with front and rear tire infla-
tion pressures.
• When changing the tire inflation pressure by changing traveling speed
or load weight, etc.
• When changing the tire size.
P. 4 2 3
After reconnecting or performing main tenance on the 12 volt battery, the
following items must be initialized for normal system operation.

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Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
Smart access system with 
push-button start Antenna location....................................24
Entry function...........................................22
Starting the engine ................................121
Spare tire Inflation pressure............................... 550
Spare tire..................................................513
Spark plug ................................................546
Specifications ........................................ 540
Speedometer........................................... 132
Steering wheel Adjustment............................................... 60
Audio switches ...................................288
Steering wheel position 
memory...................................................47
Storage compartment ........................ 344
Storage feature......................................340
Stuck If your vehicle becomes stuck.....536
Sun visors ................................................. 347
Switch “ENGINE START STOP” 
switch .......................................................121
Fog light switch .....................................145
Ignition switch..........................................121
Light switches ........................................ 142
Mode select switch............................. 126
Power door lock switch .....................37
Power window switch ........................ 64
Tire pressure warning 
reset switch ....................................... 422
Tire pressure 
warning select switch................... 424
Window lock switch ........................... 64
Wipers and washer switch .............146 Tachometer ..............................................132
Tail lights
Switch ........................................................ 142
Theft deterrent system Alarm........................................................... 75
Immobilizer system .............................. 73
Theft prevention labels........................... 77
Tire inflation pressure .........................550
Tire information Glossary ................................................ 562
Size ........................................................... 559
Tire identification number .............558
Uniform Tire Quality Grading ... 560
Tires Chains..................................................... 200
Checking................................................. 421
Compact spare tire............................ 513
If you have a flat tire ............... 512, 522
Inflation pressure ...............................550
Information ........................................... 556
Replacing ................................................ 512
Rotating tires.......................................... 421
Size ...........................................................550
Snow tires.............................................. 202
Tire pressure warning system....... 421
Tools.............................................................512
Total load capacity ................................ 198
Touch screen..........................................208
Towing Dinghy towing .................................... 205
Emergency towing ........................... 478
Trailer towing ...................................... 204
Traction control...................................... 184
Trip meter ..................................................132T