2012 Lexus GX460 ESP

773
6-1. Specifications
6
Vehicle specifications
GX460_U.S.A. (OM60J00U)■
Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C, and
they represent the tire’s ability to stop on wet pavement as measured
under controlled conditions on specified government test surfaces of
asphalt and concrete.
A tire marked C may have poor traction performance.
Warning: The traction grade assigned to this tire is based on braking
(straight ahead) traction tests and does not include cornering (turning) trac-
tion.
■Temperature A, B, C
The temperature grades are A (the highest), B, and C, representing
the tire’s resistance to the generation of heat and its ability to dissipate
heat when tested under controlled conditions on a specified indoor
laboratory test wheel.
Sustained high temperature can cause the material of the tire to degenerate
and reduce tire life, and excessive temperature can lead to sudden tire fail-
ure.
The grade C corresponds to a level of performance which all passenger car
tires must meet under the Federal Motor Vehicle Safety Standard No. 109.
Grades B and A represent higher levels of performance on the laboratory
test wheel than the minimum required by law.
Warning: The temperature grades of a tire assume that it is properly inflated
and not overloaded.
Excessive speed, underinflation, or excessive loading, either separately or in
combination, can cause heat buildup and possible tire failure.

777
6-1. Specifications
6
Vehicle specifications
GX460_U.S.A. (OM60J00U)
Tire related termMeaning
CrackingAny parting within the tread, sidewall, or innerliner
of the tire extending to cord material
CT
A pneumatic tire with an inverted flange tire and rim
system in which the rim is designed with rim flanges
pointed radially inward and the tire is designed to fit
on the underside of the rim in a manner that
encloses the rim flanges inside the air cavity of the
tire
Extra load tire
A tire designed to operate at higher loads and at
higher inflation pressures than the corresponding
standard tire
GrooveThe space between two adjacent tread ribs
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
sidewall
(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

779
6-1. Specifications
6
Vehicle specifications
GX460_U.S.A. (OM60J00U)
Tire related termMeaning
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
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

787
6-2. Customization
6
Vehicle specifications
GX460_U.S.A. (OM60J00U)
Smart
access
system with
push-
button start
and wire-
less remote
control
(
→P. 2 9 ,
47)
LO C K F E ED -
BACK VOL-
UME
(Adjust the vol-
ume of confor-
mation buzzer
sounds when
the vehicle is
locked or
unlocked)
7
Off
O–OO
1 to 6
LO C K /
UNLOCK
ANSWER
BACK
RESPONSE
(Enable/disable
the operation of
the emergency
flashers when
the vehicle is
locked or
unlocked)
OnOffO–OO
ItemFunctionDefault
settingCustomized setting

832
GX460_U.S.A. (OM60J00U)
What to do if...
What to do if...
A tire puncturesP. 7 2 1If you have a flat tire
The engine does not start
P. 1 1 5Engine immobilizer system
P. 7 3 5If the engine will not start
P. 74 1If the vehicle battery is discharged
The shift lever cannot be
moved outP. 7 3 7If 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. 74 4If your vehicle overheats
The key is lostP. 7 3 8If you lose your keys
The battery is dischargedP. 74 1If the vehicle battery is discharged
The doors cannot be lockedP. 5 0Side doors
P. 5 3Back door
The horn begins to soundP. 1 1 7Alarm
The vehicle is stuck in mud or
sandP. 74 7If the vehicle becomes stuck