2012 Lexus GX460 tire pressure

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

778
6-1. Specifications
GX460_U.S.A. (OM60J00U)
Tire related termMeaning
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
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

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

819
Abbreviation list
GX460_U.S.A. (OM60J00U)
I/MEmission inspection and maintenance
KDSSKinetic Dynamic Suspension System
LATCHLower Anchors and Tethers for Children
LDALane Departure Alert
LEDLight Emitting Diode
LOLow
MMTMethylcy clopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
NNormal
OBDOn Board Diagnostics
RDSRadio Data System
RSCARoll Sensing of Curtain Shield Airbag
SRSSupplemental Restraint System
TINTire Identification Number
TPMSTire Pressure Warning System
TRACTr a c t i o n C o n t r o l
VINVehicle Identification Number
VSCVehicle Stability Control
ABBREVIATIONSMEANING

828
Alphabetical index
GX460_U.S.A. (OM60J00U)
SeatsAdjustment..............................63, 67, 78
Adjustment precautions .......................... 66, 76, 81
Child seats/child restraint system installation ............................. 151
Cleaning................................................. 593
Driver’s seat position memory....... 78
Folding down the second seatbacks ..................................... 69, 70
Folding down the third seats ........... 72
Head restraint......................................... 82
Properly sitting in the seat ...............120
Seat heaters ........................................... 551
Seat position memory ........................ 78
Ventilated seats ................................... 551
Service reminder indicators ............. 198
Shift lever Automatic transmission................... 186
If the shift lever cannot be shifted from P ....................................737
Shift lever lighting .................................. 519
Shift lock system .................................... 737
Side airbags.............................................. 122
Side marker lights Replacing light bulbs............667, 669
Switch ........................................................ 219
Wattage.................................................. 763 Side mirror
Adjusting and folding .......................... 97
Mirror position memory ....................78
Side turn signal lights
Replacing light bulbs ........................ 672
Smart access system with
push-button startAntenna location ................................... 32
Entry functions ........................................29
Starting the engine.............................. 179
Spare tire Inflation pressure ................................762
Storage location ...................................721
Spark plug ................................................757
Specifications ......................................... 752
Speedometer .......................................... 195
Steering Column lock release ......................... 183
Fluid ...........................................................762
Steering wheel
Adjustment ...............................................93
Audio switches ................................... 460
Heated steering wheel ................... 549
Steering wheel position memory ..................................................78
Stop light
Replacing light bulbs ........................ 672
Storage feature ..................................... 523
Stuck If your vehicle becomes stuck ..... 747
Sun visors .................................................538

829
Alphabetical index
GX460_U.S.A. (OM60J00U)
Switch“ENGINE START STOP”
switch ..................................................... 179
Engine switch ........................................ 179
“2nd STRT” switch ............................. 188
Center differential lock/unlock
switch ................................................... 323
“DAC” switch ...................................... 332
Emergency flasher Switch ............ 676
Fog light switch................................... 233
Hazard light Switch .......................... 676
Heated steering wheel switch .... 549
Height control off switch .................316
Ignition switch........................................ 179
Light switches........................................ 219
Power door lock switch.................... 50
Power window switch........................ 101
“RSCA OFF” switch .......................... 137
Rear window defogger switch
*.................................................... 411
Transmission shift switch .................189
Window lock switch ........................... 101
Wipers and washer switch........... 236
Tachometer .............................................. 195
Tail lights Replacing light bulbs ........................672
Switch ........................................................ 219
Talk switch
*............................................ 490
Telephones switch
*............................ 490
Theft deterrent system Alarm ........................................................... 117
Engine immobilizer system ..............115 Tire inflation pressure .........................635
Tire information
Glossary ................................................. 774
Size............................................................770
Tire identification number..............769
Uniform Tire Quality Grading .... 772
Tires Chains .................................................... 366
Checking .............................................. 628
If you have a flat tire ............................ 721
Inflation pressure................................ 762
Information ........................................... 768
Pressure warning system.............. 628
Replacing ................................................. 721
Rotating tires ....................................... 628
Size............................................................ 762
Snow tires ............................................. 366
Spare tire .................................................. 721
Tire pressure warning system ................................................. 628
Tools .............................................................721
Total load capacity ............................... 364
Towing Dinghy towing .................................... 389
Emergency towing............................ 677
Trailer towing .......................................370
T
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

830
Alphabetical index
GX460_U.S.A. (OM60J00U)
TRAC.........................................................336
Traction control .....................................336
Trailer towing..........................................370
Transmission shift switches ................ 189
Trip information display....................... 212
Trip meter ................................................. 195
Turn signal lightsReplacing light bulbs........... 668, 669
Switch ........................................................ 192
Wattage.................................................. 763
Vanity lights Vanity lights ..........................................539
Wattage.................................................. 763
Vanity mirrors ............................................539
Vehicle identification number ......... 753
Vehicle load limits ................................364
Ventilators ................................................ 551
VSC (Vehicle Stability Control).....335
Warning buzzers Brake system ....................................... 706
Open door ...............................692, 704
Open glass hatch reminder .........705
Seat belt reminder............................. 692
Third power seat.................................... 72 Warning lights
Anti-lock brake system
(ABS) ................................................... 690
Brake system.......................................688
Charging system ............................... 689
Kinetic dynamic suspension
system.................................................... 691
Low fuel level....................................... 692
Malfunction indicator lamp ..........689
Master warning light........................ 693
Open door ........................................... 692
PCS .......................................................... 690
Seat belt reminder light .................. 692
Slip indicator light..............................690
SRS airbags.......................................... 690
Tire pressure warning light .......... 693
Warning messages Automatic transmission fluid
temperature........................................ 701
Automatic transmission
system.................................................... 701
Brake system....................................... 706
Dynamic radar cruise control system...................................... 703, 708
Engine oil maintenance.................. 706
Engine oil pressure........................... 700
Intuitive parking assist ......................702
Low washer level .............................. 706
Open door ........................................... 704
Open glass hatch.............................. 705
Open moon roof............................... 705
Pre-collision system..............702, 707
V
W

834
What to do if...
GX460_U.S.A. (OM60J00U)
■Warning lights
P. 6 9 3
or
P. 6 8 8P. 6 9 1
P. 6 9 0
or
P. 6 9 0P. 6 9 3
P. 6 9 0P. 6 9 1
P. 692P. 6 9 1
P. 6 9 0P. 6 9 1
P. 692P. 6 9 1
P. 6 8 9P. 6 9 1
P. 6 9 1
or
P. 6 8 9P. 6 9 1
P. 692P. 6 9 1
P. 692
Brake system warning lightTire pressure warning light
Kinetic dynamic suspension
system warning light
ABS warning light“PCS” warning light
Master warning light
Slip indicator light“AFS OFF” indicator light
Low fuel level warning lightAutomatic High Beam
indicator light
SRS warning light“LDA” indicator light
Open door warning lightCruise control indicator
light
Charging system warning
lightRadar cruise control
indicator light
Malfunction indicator lampMulti-terrain Select
indicator light
Low speed four-wheel drive
indicator light
Driver’s seat belt reminder
lightCenter differential lock
indicator light
Front passenger’s seat belt
reminder light