2010 Lexus GX460 Scheduled Maintenance Guide / LEXUS 2010 GX460 OWNERS MANUAL (OM60E69U)

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6-1. Specifications
GX460_U.S.A. (OM60E69U)
Tire related termMeaning
InnerlinerThe layer(s) forming the inside surface of a tubeless
tire that contains the inflating medium within the tire
Innerliner separationThe parting of the innerliner from cord material in
the carcass
Intended outboard side-
wall
(a)The sidewall that contains a whitewall, bears white
lettering, or bears manufacturer, brand, and/or
model name molding that is higher or deeper than
the same molding on the other sidewall of the tire, or
(b)The outward facing sidewall of asymmetrical tire
that has a particular side that must always face out-
ward when mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as primarily
intended for use on lightweight trucks or multipur-
pose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry for a
given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum permissible
inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which a tire
may be inflated

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6-1. Specifications
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Tire related termMeaning
Measuring rimThe rim on which a tire is fitted for physical dimen-
sion requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of the
sidewalls of an inflated tire, including elevations due
to labeling, decorations, or protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars, multipur-
pose passenger vehicles, and trucks, that have a
gross vehicle weight rating (GVWR) of 10000 lb. or
less
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between adjacent
plies
Pneumatic tire
A mechanical device made of rubber, chemicals,
fabric and steel or other materials, that, when
mounted on an automotive wheel, provides the trac-
tion and contains the gas or fluid that sustains the
load

778
6-1. Specifications
GX460_U.S.A. (OM60E69U)
Tire related termMeaning
Radial ply tire
A pneumatic tire in which the ply cords that extend
to the beads are laid at substantially 90 degrees to
the centerline of the tread
Reinforced tire
A tire designed to operate at higher loads and at
higher inflation pressures than the corresponding
standard tire
Section width
The linear distance between the exteriors of the
sidewalls of an inflated tire, excluding elevations due
to labeling, decoration, or protective bands
SidewallThat portion of a tire between the tread and bead
Sidewall separationThe parting of the rubber compound from the cord
material in the sidewall
Snow tire
A tire that attains a traction index equal to or greater
than 110, compared to the ASTM E-1136 Standard
Reference Test Tire, when using the snow traction
test as described in ASTM F-1805-00, Standard
Test Method for Single Wheel Driving Traction in a
Straight Line on Snow-and Ice-Covered Surfaces,
and which is marked with an Alpine Symbol ( )
on at least one sidewall

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6-1. Specifications
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
*: Table 1  Occupant loading and distribution for vehicle normal load for various
designated seating capacities
Tire related termMeaning
Te s t r i mThe rim on which a tire is fitted for testing, and may
be any rim listed as appropriate for use with that tire
Tr e a dThat portion of a tire that comes into contact with the
road
Tr e a d r i bA tread section running circumferentially around a
tire
Tr e a d s e p a r a t i o nPulling away of the tread from the tire carcass
Treadwear indicators
(TWI)The projections within the principal grooves
designed to give a visual indication of the degrees of
wear of the tread
Wheel-holding fixtureThe fixture used to hold the wheel and tire assembly
securely during testing

780
6-1. Specifications
GX460_U.S.A. (OM60E69U)
Designated seating
capacity, Number of occupantsVehicle normal load,
Number of occupantsOccupant distribution in
a normally loaded vehicle
2 through 422 in front
5 through 1032 in front, 1 in second seat
11 through 155
2 in front, 1 in second seat, 1 in third seat,
1 in fourth seat
16 through 207
2 in front, 2 in second seat, 2 in third seat,
1 in fourth seat

781
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
6-2. Customization
Customizable features
Customizing vehicle featuresIt is possible to custom ize certain vehicle features using the menu switch
and the “ENTER” switch.
*
When customizing vehicle features, ensu re that the vehicle is parked in a
safe place with the shift lever in P and the parking brake set.
Press and hold the menu switch to
display customization mode.
Your vehicle includes a variety of elec tronic features that can be personal-
ized to suit your preferences. Programming these preferences requires
specialized equipment and may be performed by your Lexus dealer.
It is also possible to customize certain vehicle features yourself using the
menu switch and the “ENTER” switch or the screen of the navigation sys-
tem.
Some function settings are changed simultaneously with other func-
tions being customized. Contact your Lexus dealer for further details.
STEP1

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6-2. Customization
GX460_U.S.A. (OM60E69U)Press the “ENTER” switch
upwards or downwards to
select the item to be custom-
ized.
Press the “ENTER” switch to
confirm.
Press the “ENTER” switch
upwards or downwards to
select the desired setting for the
item being customized.
Press the “ENTER” switch to
confirm.
When customization is completed, pr ess the menu switch to clear the
customization screen.
*: For instructions on customizing vehicle features using the screen of the navi-
gation system, refer to the “Navigation System Owner’s Manual”.
STEP2
STEP3

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6-2. Customization
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Customizable featuresVehicles with a navigation system: Settings that can be changed using
the screen of the navigation system
Vehicles with a navigation system: Settings that can be changed using
the menu switch and the “ENTER” switch
Vehicles without a navigation system: Settings that can be changed
using the menu switch and the “ENTER” switch
Settings that can be changed by your Lexus dealer
Definition of symbols: O = Available, – =Not available
ItemFunctionDefault
settingCustomized setting
Door lock 
( P. 5 1 ,
738)
Unlock on Sec-
ond Key Turn
(Allows all
doors to be
unlocked by
turning the
mechanical key
once in the
driver’s door)
*1
Driver’s
door
unlocked in
first step, all
doors
unlocked in
second step
All doors
unlocked in
first step
O––O