2020 Lexus GX460 fuel pump

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GX460_OM_OM60R27U_(U)
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6-1. Maintenance and care Cleaning and protecting the vehicle exterior ................ 434
Cleaning and protecting the vehicle interior.................. 437
6-2. Maintenance Maintenance requirements ............................ 440
General mainte nance.............. 443
Emission inspection and maintenance (I/M)
programs.................................... 446
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 447
Hood ............................................... 450
Engine compartment .................451
Tires ................................................. 464
Tire inflation pressure .............. 476
Wheels ...........................................480
Air conditioning filter ............... 482
Electronic key battery.............. 484
Checking and replacing fuses.............................................. 486
Headlight aim .............................. 489
Light bulbs ......................................491 7-1. Essential information
Emergency flashers ..................500
If your vehicle has to be stopped in
an emergency ........................... 501
If the vehicle is trapped in rising water ................................ 502
7-2. Steps to take in an emergency If your vehicle needs to be towed ............................... 503
If you think something is wrong........................................... 509
Fuel pump shut off system....... 510
If a warning light turns on or a warning buzzer
sounds ............................................ 511
If a warning message is displayed .................................... 520
If you have a flat tire .................. 524
If the engine will not start ........538
If the electronic key does not operate properly ............. 540
If the vehicle battery is discharged................................. 543
If your vehicle overheats......... 546
If the vehicle becomes stuck ............................................. 549
6Maintenance and care7When trouble arises

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GX460_OM_OM60R27U_(U)4-4. Refueling
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Driving
Opening the fuel tank cap
●Turn the engine switch off and ensure that all the doors and windows are
closed.
●Confirm the type of fuel.
■Fuel types
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P. 562
■Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your Lexu s has a fuel tank opening that only accommo-
dates the special nozzle on unleaded fuel pumps.
■If the malfunction indicator lamp illuminates
The malfunction indicator lamp may illuminate erroneously if refueling is performed
repeatedly when the fuel tank is nearly full.
Perform the following steps to open the fuel tank cap.
Before refueling the vehicle
WARNING
■When refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do so may
result in death or serious injury.
●After exiting the vehicle and before opening the fuel door, touch an unpainted metal
surface to discharge any static electricity. It is important to discharge static electricity
before refueling because sparks resulting fr om static electricity can cause fuel vapors
to ignite while refueling.
●Always hold the grips on the fuel tank cap and turn it slowly to remove it.
A whooshing sound may be heard when the fu el tank cap is loosened. Wait until the
sound cannot be heard before fully removing the cap. In hot weather, pressurized fuel
may spray out of the filler neck and cause injury.
●Do not allow anyone that has not discharged static electricity from their body to come
close to an open fuel tank.
●Do not inhale vaporized fuel.
Fuel contains substances th at are harmful if inhaled.
●Do not smoke while refueling the vehicle.
Doing so may cause the fuel to ignite and cause a fire.
●Do not return to the vehicle or touch any pe rson or object that is statically charged.
This may cause static electricity to build up, resulting in a possible ignition hazard.

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GX460_OM_OM60R27U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers ................. 500
If your vehicle has to be stopped in
an emergency ........................... 501
If the vehicle is trapped in rising water ................................502
7-2. Steps to take in an emergency If your vehicle needs to be towed................................503
If you think something is wrong ...........................................509
Fuel pump shut off system ....... 510
If a warning light turns on or a warning buzzer
sounds............................................. 511
If a warning message is displayed.....................................520
If you have a flat tire .................. 524
If the engine will not start ........538
If the electronic key does not operate properly .............540
If the vehicle battery is discharged ................................. 543
If your vehicle overheats ......... 546
If the vehicle becomes stuck ............................................. 549

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GX460_OM_OM60R27U_(U)7-2. Steps to take in an emergency
Fuel pump shut off system
Follow the procedure below to restart the engine after the system is activated.
Turn the engine switch to ACCESSORY mode or turn it off.
Restart the engine.
To minimize the risk of fuel leakage when the engine stalls or when an airbag
inflates upon collision, the fuel pump shut off system stops the supply of fuel to
the engine.
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the ground, the fuel system has been damaged and
is in need of repair. Do not restart the engine.
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GX460_OM_OM60R27U_(U)
5638-1. Specifications
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Vehicle specifications
■Non-recommendation of the use of blended gasoline
●If you use gasohol in your vehicle, be sure that it has an octane rating no lower than 91.
●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 gasoline 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.
■If your engine knocks
●Consult your Lexus dealer.
●You may occasionally notice light knocking for a short time while accelerating or driv-
ing uphill. This is normal and there is no need for concern.
●Use only gasoline containing up to 15% etha-
nol.
DO NOT use any flex-fuel or gasoline that
could contain more than 15% ethanol, includ-
ing from any pump labeled E30, E50, E85
(which are only some examples of fuel con-
taining more than 15% ethanol).DO NOT use gasoline con-
taining more than 15% ethanol.
(30% ethanol)
(50% ethanol)
(85% ethanol)

610Alphabetical index
GX460_OM_OM60R27U_(U)
Fuel ............................................................. 554Capacity ................................................ 554
Fuel gauge ............................................... 88
Fuel pump shut off system.............. 510
Information ............................................562
Refueling................................................. 225
Type ............................................. 554, 562
Warning light ........................................ 513
Fuel consumption information ........... 98
Fuel filler door ........................................ 225 Refueling................................................. 225
Fuel gauge .................................................. 88
Fuel pump shut off system.................. 510
Fuses .......................................................... 486
Garage door opener .......................... 425
Gauges ........................................................ 88
Glass hatch ................................................ 116
Glove box ................................................ 396
Hands-free system (for cellular phone)
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Head restraints ........................................146
Headlights ............................................... 209 Light switch .......................................... 209
Replacing light bulbs ........................ 497
Headlights cleaner............................... 224
Heaters Automatic air conditioning system ..................................... 376, 386
Seat heaters ......................................... 390
Outside rear view mirrors .............. 381
Height control........................................ 335
Hill-start assist control ........................ 352 Hood ......................................................... 450
Hooks
Cargo hooks ...........................402, 403
Coat hooks ........................................... 420
Retaining hooks (floor mat)............. 26
Horn............................................................. 149
I/M test ......................................................446
Identification Engine .....................................................554
Vehicle ....................................................553
Ignition switch (engine switch) ......... 196
Ignition switch light .............................. 392
Illuminated entry system ................... 394
Immobilizer system ................................. 76
Indicators .................................................... 82
Initialization Items to initialize ................................ 585
Maintenance data....................441, 454
Moon roof .............................................. 160
Power windows.................................... 157
Tire pressure warning system ..... 466
Inside rear view mirror.......................... 151
Instrument panel light control ............ 89
Interior lights .......................................... 392 Switch ...................................................... 393
Wattage ...................................................561
Jack Vehicle-equipped jack ................... 525
Jack handle ............................................. 528
Jam protection function Moon roof .............................................. 160
Power windows.................................... 157
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