engine Lexus GX460 2014 VOICE COMMAND SYSTEM OPERATION / LEXUS 2014 GX460 OWNERS MANUAL (OM60K80U)

564
GX460_OM_OM60K80U_(U)8-1. Specifications
Fuel information
■Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your Lexus has a fuel tank opening that only accommo-
dates the special nozzle on unleaded fuel pumps.
■Gasoline quality
In very few cases, driveability problems may be caused by
the brand of gasoline you are
using. If driveability problems persist, try changing the brand of gasoline. If this does not
correct the problem, consult your Lexus dealer.
■Gasoline quality standards
●Automotive manufacturers in the U.S.A., Eu rope and Japan have developed a specifi-
cation for fuel quality called the World-Wi de Fuel Charter (WWFC), which is expected
to be applied worldwide.
●The WWFC consists of four cat egories that are based on required emission levels. In
the U.S., category 4 has been adopted.
●The WWFC improves air quality by lowering emissions in vehicle fleets, and improves
customer satisfaction through better performance.
You must only use unleaded gasoline in your vehicle.
Select premium unleaded gasoline with an octane rating of 91 (Research
Octane Number 96) or higher required for optimum engine performance. If
91 octane cannot be obtained, you may use unleaded gasoline with an octane
rating as low as 87 (Research Octane Number 91). Use of unleaded gasoline
with an octane rating lower than 91 ma y result in engine knocking. Persistent
knocking can lead to engine damage and should be corrected by refueling
with higher octane unleaded gasoline.
At minimum, the gasoline you use should meet the specifications of ASTM
D4814 in the U.S.A. and CGSB3.5-M93 in Canada.

GX460_OM_OM60K80U_(U)
5658-1. Specifications
8
Vehicle specifications
■Recommendation of the use of gasoline containing detergent additives
●Lexus recommends the use of gasoline that contains detergent additives to avoid the
build-up of engine deposits.
●All gasoline sold in the U.S.A. contains minimum detergent additives to clean and/or
keep clean intake systems, per EPA’s lowest additives concentration program.
●Lexus strongly recommends the use of Top Ti er Detergent Gasoline. For more informa-
tion on Top Tier Detergent Gasoline and a list of marketers, please go to the official
website www.toptiergas.com.
■Recommendation of the use of cleaner burning gasoline
Cleaner burning gasoline, including reformul ated gasoline that contains oxygenates
such as ethanol or MTBE (Methyl Tertiary Butyl Ether) is available in many areas.
Lexus recommends the use of cleaner bu rning gasoline and appropriately blended
reformulated gasoline. These types of gaso line provide excellent vehicle performance,
reduce vehicle emissions and improve air quality.
■Non-recommendation of the use of blended gasoline
●If you use gasohol in your Lexus, be sure that it has an octane rating no lower than 87.
●Lexus does not recommend the use of gasoline containing methanol.
■Non-recommendation of the use of gasoline containing MMT
Some gasoline contains an octane enhancing additive called MMT (Methylcy clopenta-
dienyl Manganese Tricarbonyl).
Lexus does not recommend the use of gasolin e that contains MMT. If fuel containing
MMT is used, your emission control system may be adversely affected.
The malfunction indicator lamp on the instru ment cluster may come on. If this happens,
contact your Lexus dealer for service.
●Use only gasoline containing a maximum of
10% ethanol.
DO NOT use any flex-fuel or gasoline that
could contain more than 10% ethanol, includ-
ing from any pump labeled E15, E30, E50,
E85 (which are only some examples of fuel
containing more than 10% ethanol).DO NOT use gasoline con-
taining more than 10% eth-
anol.
(15% ethanol)
(50% ethanol)
(85% ethanol)

566
GX460_OM_OM60K80U_(U)8-1. Specifications
■If your engine knocks
●Consult your Lexus dealer.
●You may occasionally notice light knocking fo
r a short time while accelerating or driv-
ing uphill. This is normal and there is no need for concern.
NOTICE
■Notice on fuel quality
●Do not use improper fuels. If improper fuels are used, the engine will be damaged.
●Do not use leaded gasoline.
Leaded gasoline can cause damage to your vehicle’s three-way catalytic converters
causing the emission control system to malfunction.
●Do not use gasohol other than the type previously stated.
Other gasohol may cause fuel system da mage or vehicle performance problems.
●Using unleaded gasoline with an octane number or rating lower than the level previ-
ously stated will cause persistent heavy knocking.
At worst, this will lead to engine damage.
■Fuel-related poor driveability
If poor driveability is encounte red after using a different type of fuel (poor hot starting,
vaporization, engine knocking, etc.), disc ontinue the use of that type of fuel.
■When refueling with gasohole
Take care not to spill gasohol. It can damage your vehicle’s paint.

GX460_OM_OM60K80U_(U)
5738-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in excess of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the numb er of occupants specified
in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in the
third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code

GX460_OM_OM60K80U_(U)
5838-2. Customization
8
Vehicle specifications
■Interior lights (P. 3 9 2 )
FunctionDefault settingCustomized setting
Time elapsed before the
interior lights turn off15 seconds
Off
—OO7. 5 s e c o n d s
30 seconds
Operation after the engine
switch is turned to OFFOnOff——O
Operation when the doors
are unlocked with the smart
access system with push-
button start or wireless
remote control
OnOff——O
Operation when you
approach the vehicle with
the electronic key on your
person
OnOff——O
Shift lever lightOnOff——O
Footwell lightingOnOff——O
Lounge illumination controlOnOff——O
123

GX460_OM_OM60K80U_(U)
5878-2. Customization
8
Vehicle specifications
■Intuitive parking assist* (P. 2 3 4 )
*: If equipped
■In the following situations, customize mode will automatically be turned off.
●A warning message appears after the cu stomize mode screen is displayed.
●The engine switch is turned to OFF.
●The vehicle begins to move while the customize mode screen is displayed.
FunctionDefault settingCustomized
setting
Buzzer volumeLevel 5Level 1 to 5—OO
Display settingAll sensors displayedDisplay off—OO
Detection distance of the
front center sensorFarNear—OO
Detection distance of the
rear center sensorFarNear—OO
123
CAUTION
■During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures.

604What to do if... (Troubleshooting)
GX460_OM_OM60K80U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by your Lexus dealer. ( P. 8 9 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 8 9 )
●Is the electronic key battery weak or depleted? ( P. 4 7 9 )
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 1 8 2 )
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( P. 1 1 0 )
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 9 5 )
If you have a problem, check the following before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

605What to do if... (Troubleshooting)
GX460_OM_OM60K80U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
(P. 1 8 1 )
●Is the shift lever in P? ( P. 181)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 1 0 8 )
●Is the steering wheel unlocked? ( P. 1 8 4 )
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 5 4 4 )
●Is the battery discharged? ( P. 5 4 5 )
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 5 4 2 )
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

606What to do if... (Troubleshooting)
GX460_OM_OM60K80U_(U)
●It is locked automatically to prevent theft of the vehicle. ( P. 1 8 3 )
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 1 4 2 )
●The auto power off function will be oper ated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 1 8 3 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 5 0 9 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 9 1 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 5 0 7 , 5 1 4 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 6 8 )
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds

609Alphabetical index
GX460_OM_OM60K80U_(U)
Bottle holders ......................................... 399
BrakeFluid............................................................ 561
Parking brake.......................................... 191
Warning light ...................................... 507
Brake assist ...............................................341
Break-in tips............................................. 150
Brightness control Instrument panel light control ..................................................... 78
BSM (Blind Spot Monitor)................ 347
Care ................................................ 434, 437 Aluminum wheels ..............................434
Exterior....................................................434
Interior ..................................................... 437
Seat belts ............................................... 438
Cargo hooks .......................................... 402
Center differential................................ 332
CD player
*
Chains ....................................................... 366
Child restraint system............................ 52 Booster seats, definition ....................53
Booster seats, installation....................61
Convertible seats, definition ............ 53
Convertible seats, installation ............................................. 58
Installation with LATCH system ..................................................... 57
Installing CRS with seat belts ......... 58
Installing CRS with top straps..................................... 62 Infant seats, definition.......................... 53
Infant seats, installation....................... 58
Child safety .................................................. 51 Airbag precautions...............................37
Back door precautions...................... 101
Battery precautions ..............460, 547
Child restraint system......................... 52
Glass hatch precaution ................... 105
How your child should wear the seat belt .......................................... 30
Installing child restraints .................... 56
Moon roof precautions ....................148
Power window lock switch............. 142
Power window precautions ........... 144
Rear door child-protectors ............. 95
Removed key battery precautions ...................................... 480
Seat belt precautions ............................ 31
Seat heater precautions .................390
Child-protectors ..................................... 95
Cleaning Aluminum wheels .............................. 434
Exterior ................................................... 434
Interior ..................................................... 437
Seat belts................................................438
Coat hooks ............................................... 417
Compass ................................................... 419
Condenser...............................................457
Console box ........................................... 396
Cool box .................................................. 409
Cooling system ..................................... 455 Engine overheating ..........................548
Conversation mirror............................. 412
C
*:For vehicles with a navigation system or a multimedia system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.