2020 Lexus GX460 heater

556
GX460_OM_OM60R27U_(U)8-1. Specifications
Cooling system
Capacity
(reference)With rear heater16.3 qt. (15.4 L, 13.6 Imp.qt.)
Without rear heater14.5 qt. (13.7 L, 12.1 Imp.qt.)
Coolant typeUse either of the following:
• “Toyota Super Long Life Coolant”
• A similar high-quality ethylene glycol-basednon-silicate, non-amine, non-nitrite, and
non-borate coolant with long-life hybrid
organic acid technology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO SK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

GX460_OM_OM60R27U_(U)
5718-1. 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 un der that condition
Maximum inflation pres-
sureThe maximum cold inflated pr essure 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 exce ss 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 in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they re place, 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

607Alphabetical index
GX460_OM_OM60R27U_(U)
Bottle holders ......................................... 399
BrakeFluid.......................................................... 559
Parking brake...................................... 208
Warning light .......................................... 511
Brake assist .............................................. 351
Break-in tips..............................................166
Brake Override System.......................165
Brightness control Instrument panel light control .....................................................89
BSM (Blind Spot Monitor)................ 357 The Blind Spot Monitor function ................................................. 361
The Rear Cross Traffic Alert function ................................................364
Care ................................................ 434, 437 Aluminum wheels ..............................434
Exterior....................................................434
Interior ..................................................... 437
Seat belts ............................................... 438
Cargo hooks .......................................... 402
Cargo net hooks ................................... 403
Center differential................................ 340
CD player
*
Chains ....................................................... 368
Child restraint system............................ 54 Booster seats, definition ....................55
Booster seats, installation..................65
Convertible seats, definition ............55
Convertible seats, installation ......... 62 Installing child restraint system
with LATCH system........................ 60
Installing child restraint system with seat belts...................................... 62
Installing child restraint system with top tether strap......................... 66
Infant seats, definition.......................... 55
Infant seats, installation....................... 62
Child safety ................................................ 53 Airbag precautions.............................. 39
Back door precautions.......................113
Battery precautions ............... 461, 545
Child restraint system......................... 54
Glass hatch precaution ..................... 118
How your child should wear the seat belt ...........................................32
Installing child restraints .................... 58
Moon roof precautions .................... 162
Power window lock switch.............156
Power window precautions .......... 158
Rear door child-p rotectors ............107
Removed key battery precautions .......................................485
Seat belt precautions .......................... 33
Seat heater precautions .................389
Child-protectors .................................... 107
Cleaning Aluminum wheels .............................. 434
Exterior ................................................... 434
Interior ..................................................... 437
Seat belts................................................438
Clock........................................................... 412
Coat hooks ............................................. 420
Compass ................................................... 421
Condenser...............................................457
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

609Alphabetical index
GX460_OM_OM60R27U_(U)
Emergency flashers .............................500
EngineAccessory mode..................................197
Brake Override System .................. 165
Compartment....................................... 451
Drive-Start Control............................ 166
Hood ....................................................... 450
How to start the engine ................... 196
Identification number ...................... 554
If the engine will not start............... 538
Ignition switch (engine switch)..... 196
Overheating ........................................ 546
Engine compartment cover ............. 452
Engine coolant....................................... 455 Capacity ................................................ 556
Checking............................................... 455
Preparing and checking before winter ....................................367
Engine immobilizer system ..................76
Engine oil ................................................. 453 Capacity ................................................ 554
Checking................................................453
Preparing and checking before winter ....................................367
Warning message ............................. 522
Engine oil maintenance data ........... 454
Engine switch ...........................................196
Engine switch light ............................... 392
Event data recorder (EDR) ...................10 Flat tire .......................................................524
Floor mats....................................................26
Fluid
Automatic transmission ................. 558
Brake........................................................559
Steering ................................................. 560
Washer ................................................... 463
Fog lights.................................................... 217 Replacing light bulbs ....................... 497
Switch ........................................................ 217
Four-wheel drive system................... 340
Front passenger occupant classification system ............................ 47
Front passenger’s seat belt reminder light ....................................... 513
Front seats ................................................. 128 Adjustment..............................................128
Cleaning................................................. 437
Correct driving posture .................... 28
Driving position memory...................141
Head restraints .....................................146
Seat heaters ..........................................390
Seat position memory .........................141
Front turn signal lights .........................207 Replacing light bulbs ....................... 493
Turn signal lever ................................. 207
Wattage ...................................................561F

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)
*
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
G
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614Alphabetical index
GX460_OM_OM60R27U_(U)
Seat heaters ............................................ 390
Seat ventilators ........................................391
Seat position memory............................ 141
Seats.................................................. 128, 130Adjustment ...................................128, 130
Adjustment precautions ........129, 140
Child seats/child restraint system installation............................. 58
Cleaning ................................................. 437
Driving position memory .................. 141
Head restraint ....................................... 146
Properly sitting in the seat ................ 28
Seat position memory......................... 141
Ventilators .............................................. 391
Sensor Automatic headlight system .......... 210
Automatic High Beam system ...... 212
Inside rear view mirror ..................... 152
Intuitive parking assist-sensor .....266
LDA (Lane Departure Alert) .......246
Radar sensor ....................................... 230
Rain-sensing windshield wipers ...................................................220
Service reminder indicators ............... 82
Shift lever Automatic transmission ..................202
If the shift lever cannot be shifted from P .................................. 205
Shift lock system.................................... 204
Side airbags ............................................... 36
Side mirrors ............................................. 153 Adjusting and folding........................ 153
Blind Spot Monitor............................357 Side turn signal lights ...........................207
Replacing light bulbs ....................... 497
Turn signal lever ................................. 207
Smart access system with push-button start...................................121 Antenna location....................................121
Starting the engine ..............................196
Snow tires ................................................ 369
Spare tire ..................................................524 Inflation pressure............................... 560
Storage location ................................. 525
Spark plug ............................................... 556
Specifications......................................... 552
Speedometer ............................................ 88
Steering lock Column lock release .........................199
Steering wheel ........................................ 149 Adjustment..............................................149
Audio switches
*
Heated steering wheel ...................389
Steering wheel position memory...................................................141
Stop/tail lights Replacing light bulbs ....................... 497
Storage feature ..................................... 395
Stuck If the vehicle becomes stuck........ 549
Sunshade Roof ........................................................... 160
Sun visors.....................................................411
Switch Automatic High Beam switch ....... 212
AVS switch ........................................... 339
BSM (Blind Spot Monitor) switch ...................................................358
Center differential lock/ unlock switch...................................... 341

615Alphabetical index
GX460_OM_OM60R27U_(U)
Crawl Control switch ......................344
Cruise control switch.......................254
“DAC” switch...................................... 348
Door lock switches ............................ 106
Driving position memory switches .................................................. 141
Emergency flashers switch .......... 500
Engine switch ........................................ 196
Fog light switch ..................................... 217
Four-wheel drive control switch................................................... 340
Headlight cleaner switch ............... 224
Height control switch...................... 335
LDA (Lane Departure Alert) .......248
Light switches ..................................... 209
Moon roof switches........................... 159
Multi-terrain Monitor switch ....... 288
Multi-terrain Select switch.............284
“ODO TRIP” button ............................89
Outside rear view mirror switches ................................................ 153
Parking assist........................................266
Power door lock switch ...................... 111
Power window switch ...................... 156
Rear window wiper and washer switch................................... 222
Rear window and outside rear view mirror
defoggers switch ............................. 381
Second start mode switch............ 203
Seat heater switches........................ 390
Talk switch
*
Tilt and telescopic steering control switch .................................... 149 Vehicle-to-vehicle distance
switch ................................................... 260
VSC OFF switch ............................... 353
Window lock switch ..........................156
Windshield wipers and washer switch ....................................218
Tachometer ............................................... 88
Tail lights .................................................. 209 Light switch........................................... 209
Replacing light bulbs ....................... 497
Talk switch
*
Telephone switch
*
Theft deterrent system Alarm .......................................................... 78
Engine immobilizer system ..............76
Tire inflation pressure.......................... 476 Maintenance data............................. 560
Tire pressure warning system ......... 465 Function .................................................. 465
Initializing ............................................... 465
Initializing procedures..................... 466
Installing tire pressure warning valves and transmitters................ 465
Registering ID codes ....................... 467
Warning light .........................................513
Tires ............................................................464 Chains ..................................................... 367
Checking ............................................... 464
If you have a flat tire .......................... 524
Inflation pressure................................ 476
Information............................................565
Replacing ............................................... 524
Rotating tires ........................................ 464
T
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.