2010 Lexus GX460 ECU

5
When trouble arises
723
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Taking out the spare tireRemove the spare tire carrier lid
using a flathead screwdriver.
Loosen each bolt, and assemble
the jack handle extension as
shown. Be sure to tighten each bolt
securely. ( P. 730)
Insert the jack handle extension
into the lowering socket. Lower
Raise
Place a rag under the jack handle
extension to protect the bumper.
STEP1
STEP2
STEP3

5
When trouble arises
727
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)Loosen each bolt, and assemble
the jack handle extension as
shown. Be sure to
tighten each bolt
securely. ( P. 730)
Raise the vehicle until the tire is
slightly raised off the ground.
Remove all the wh eel nuts and the
tire.
When resting the tire on the
ground, place the tire so that the
wheel design faces up to avoid
scratching the wheel surface.
STEP5
STEP6
STEP7

5
When trouble arises
729
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)Firmly tighten each nut two or
three times in the order shown in
the illustration.
Tightening torque:

83 ft•lbf (112 N•m, 11.5 kgf•m)
Reinstall the wheel ornament.
Stowing the flat/spare tire, jack and tools
Lay down the tire with the outer
side facing up, and install the hold-
ing bracket.
Raise the tire. 
Pull the tire towards the rear of the vehicle when raising. After
raising, visually check that the tire is not interfering with suspen-
sion components.
Stow the tools and jack securely, and replace all covers.
STEP4
STEP5
STEP1
STEP5STEP2
STEP5STEP3

5
When trouble arises
731
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
CAUTION
■Using the tire jack
Improper use of the tire jack may lead to death or injuries due to the vehicle sud-
denly falling off the jack.
●Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire. 
Do not use it on other vehicles, and do no t use other tire jacks for replacing tires
on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Be sure to turn off the rear height co ntrol air suspension and stop the engine.
●Do not raise the vehicle while someone is in it.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greate r than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●Do not put any part of your body under the vehicle supported by a jack.
●Do not start or run the engine while your vehicle is supported by the jack.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
■Using the jack handle
Tighten all the jack handle bolts securely using a Phillips-head screwdriver, to pre-
vent the extension parts from coming apart unexpectedly.

5
When trouble arises
733
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
CAUTION
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden
braking.
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire. 
Driving even a short distance with a flat tire can damage the tire and the wheel
beyond repair.
■When stowing the flat tire
●Ensure that there is no object caught between the tire and the vehicle underbody.
●To avoid damaging the suspension system, make sure that the spare tire does not
interfere with the suspension components when stowed.
■When replacing the tires
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure warning valve and trans-
mitter may be damaged if not handled correctly.
■To avoid damaging the tire pressu re warning valves and transmitters
Do not use liquid sealants on flat tires.

779
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

808
GX460_U.S.A. (OM60E69U)
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
4WDFour Wheel Drive
ABSAnti-Lock Brake System
AFSAdaptive Front-lighting System
AI-SHIFTArtificial Intelligence Shift control
ALRAutomatic Locking Retractor
AV SAdaptive Variable Suspension System
CRSChild Restraint System
DACDownhill Assist control system
DISPDisplay
ECUElectronic Control Unit
EDREvent data recorder
EFIElectric Fuel Injection
ELREmergency Locking Retractor
GAWRGross Axle Weight Ratings
GCWRGross Combination Weight Rating
GPSGlobal Positioning System
GVWRGross Vehicle Weight Rating
HIHigh