2021 Lexus GX460 heater

564
GX460_OM_OM60T19U_(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_OM60T19U_(U)
5798-1. 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

615Alphabetical index
GX460_OM_OM60T19U_(U)
Bottle holders ......................................... 407
BrakeFluid...........................................................567
Parking brake......................................... 212
Warning light ........................................ 518
Brake assist ............................................. 355
Break-in tips..............................................170
Brake Override System.......................169
Brightness control Instrument panel light control .......................................................91
BSM (Blind Spot Monitor)..................361 The Blind Spot Monitor function ............................................... 366
The Rear Cross Traffic Alert function ............................................... 369
Care ................................................ 442, 445 Aluminum wheels .............................. 442
Exterior.................................................... 442
Interior .....................................................445
Seat belts ................................................446
Cargo hooks ........................................... 410
Cargo net hooks ...................................... 411
Center differential................................ 344
CD player
*
Chains ....................................................... 375
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....................... 117
Battery precautions ..............469, 552
Child restraint system......................... 54
Glass hatch precaution .................... 122
How your child should wear the seat belt ...........................................32
Installing child restraints .................... 58
Moon roof precautions ....................166
Power window lock switch............ 160
Power window precautions ........... 162
Rear door child-protectors ............... 111
Removed key battery precautions ....................................... 493
Seat belt precautions .......................... 33
Seat heater precautions ................. 397
Child-protectors ....................................... 111
Cleaning Aluminum wheels .............................. 442
Exterior ................................................... 442
Interior ..................................................... 445
Seat belts................................................ 446
Clock......................................................... 420
Coat hooks ............................................. 428
Compass ..................................................429
Condenser.............................................. 465
C
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.

617Alphabetical index
GX460_OM_OM60T19U_(U)
Emergency flashers .............................508
EngineAccessory mode................................. 201
Brake Override System .................. 169
Compartment..................................... 459
Drive-Start Control............................ 170
Hood ....................................................... 458
How to start the engine ................. 200
Identification number .......................562
If the engine will not start............... 545
Ignition switch (engine switch)... 200
Overheating ........................................ 553
Engine compartment cover ............. 460
Engine coolant....................................... 463 Capacity ................................................ 564
Checking................................................463
Preparing and checking before winter .................................... 374
Engine immobilizer system .................. 77
Engine oil ...................................................461 Capacity .................................................562
Checking................................................. 461
Preparing and checking before winter .................................... 374
Warning message .............................529
Engine oil maintenance data ........... 462
Engine switch .........................................200
Engine switch light ...............................400
Event data recorder (EDR) ...................10 Flat tire ........................................................ 531
Floor mats....................................................26
Fluid
Automatic transmission ..................566
Brake........................................................ 567
Steering ................................................. 568
Washer ..................................................... 471
Fog lights.................................................... 221 Replacing light bulbs ...................... 505
Switch ........................................................ 221
Four-wheel drive system....................344
Front passenger occupant classification system ............................ 47
Front passenger’s seat belt reminder light ..................................... 520
Front seats ................................................. 132 Adjustment.............................................. 132
Cleaning................................................. 445
Correct driving posture .................... 28
Driving position memory.................145
Head restraints .................................... 150
Seat heaters ..........................................398
Seat position memory .......................145
Front turn signal lights ............................211 Replacing light bulbs ........................ 501
Turn signal lever .....................................211
Wattage .................................................569F

618Alphabetical index
GX460_OM_OM60T19U_(U)
Fuel ............................................................. 562Capacity .................................................562
Fuel gauge ................................................90
Fuel pump shut off system.............. 517
Information ........................................... 570
Refueling................................................. 229
Type ............................................. 562, 570
Warning light ...................................... 520
Fuel consumption information ......... 100
Fuel filler door ........................................ 229 Refueling................................................. 229
Fuel gauge .................................................. 90
Fuel pump shut off system...................517
Fuses .......................................................... 494
Garage door opener .......................... 433
Gauges ........................................................ 90
Glass hatch .............................................. 120
Glove box ................................................ 404
Hands-free system (for cellular phone)
*
Head restraints ....................................... 150
Headlights .................................................213 Light switch .............................................213
Replacing light bulbs ....................... 505
Headlights cleaner............................... 228
Heaters Automatic air conditioning system ..................................... 384, 394
Seat heaters ......................................... 398
Outside rear view mirrors ............ 389
Height control........................................ 339
Hill-start assist control ........................ 356 Hood ......................................................... 458
Hooks
Cargo hooks ................................ 410, 411
Coat hooks ........................................... 428
Retaining hooks (floor mat)............. 26
Horn............................................................. 153
I/M test ..................................................... 454
Identification Engine ..................................................... 562
Vehicle ......................................................561
Ignition switch (engine switch) ....... 200
Ignition switch light .............................. 400
Illuminated entry system ................... 402
Immobilizer system ................................. 77
Indicators .................................................... 84
Initialization Items to initialize .................................593
Maintenance data.................. 449, 462
Moon roof ...............................................164
Power windows..................................... 161
Tire pressure warning system ..... 474
Inside rear view mirror......................... 155
Instrument panel light control .............. 91
Interior lights .......................................... 400 Switch ........................................................401
Wattage .................................................569
Jack Vehicle-equipped jack ................... 532
Jack handle ............................................. 535
Jam protection function Moon roof ...............................................164
Power windows..................................... 161
G
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622Alphabetical index
GX460_OM_OM60T19U_(U)
Seat heaters ............................................ 398
Seat ventilators ...................................... 399
Seat position memory...........................145
Seats...................................................132, 134Adjustment ................................... 132, 134
Adjustment precautions ........ 133, 144
Child seats/child restraint system installation............................. 58
Cleaning .................................................445
Driving position memory ................ 145
Head restraint ....................................... 150
Properly sitting in the seat ................ 28
Seat position memory....................... 145
Ventilators ............................................ 399
Sensor Automatic headlight system ...........214
Automatic High Beam system ..... 216
Inside rear view mirror ..................... 156
Intuitive parking assist-sensor .....270
LDA (Lane Departure Alert) ...... 250
Radar sensor ........................................ 234
Rain-sensing windshield wipers ................................................... 224
Service reminder indicators ............... 84
Shift lever Automatic transmission ................. 206
If the shift lever cannot be shifted from P .................................. 209
Shift lock system....................................208
Side airbags ............................................... 36
Side mirrors .............................................. 157 Adjusting and folding........................ 157
Blind Spot Monitor............................. 361 Side turn signal lights ..............................211
Replacing light bulbs ...................... 505
Turn signal lever .....................................211
Smart access system with push-button start................................. 125 Antenna location.................................. 125
Starting the engine ............................200
Snow tires .................................................376
Spare tire ................................................... 531 Inflation pressure............................... 568
Storage location ................................. 532
Spark plug ............................................... 564
Specifications......................................... 560
Speedometer ............................................ 90
Steering lock Column lock release ....................... 203
Steering wheel ........................................ 153 Adjustment..............................................153
Audio switches
*
Heated steering wheel ................... 397
Steering wheel position memory.................................................145
Stop/tail lights Replacing light bulbs ...................... 505
Storage feature ..................................... 403
Stuck If the vehicle becomes stuck........556
Sunshade Roof ............................................................164
Sun visors................................................... 419
Switch Automatic High Beam switch ....... 216
AVS switch ........................................... 343
BSM (Blind Spot Monitor) switch ................................................... 362
Center differential lock/ unlock switch.................................... 345

623Alphabetical index
GX460_OM_OM60T19U_(U)
Crawl Control switch ..................... 348
Cruise control switch...................... 258
“DAC” switch.......................................352
Door lock switches .............................. 110
Driving position memory switches ................................................ 145
Emergency flashers switch .......... 508
Engine switch ...................................... 200
Fog light switch ..................................... 221
Four-wheel drive control switch....................................................344
Headlight cleaner switch ...............228
Height control switch.......................339
LDA (Lane Departure Alert) .......252
Light switches ........................................213
Moon roof switches........................... 163
Multi-terrain Monitor switch ........ 292
Multi-terrain Select switch............ 288
“ODO TRIP” button ..............................91
Outside rear view mirror switches ................................................ 157
Parking assist........................................270
Power door lock switch .................... 115
Power window switch ...................... 160
Rear window wiper and washer switch................................... 226
Rear window and outside rear view mirror
defoggers switch ........................... 389
Second start mode switch.............207
Seat heater switches........................ 398
Talk switch
*
Tilt and telescopic steering control switch .................................... 153 Vehicle-to-vehicle distance
switch ................................................... 264
VSC OFF switch ............................... 357
Window lock switch ......................... 160
Windshield wipers and washer switch ...................................222
Tachometer ............................................... 90
Tail lights .................................................... 213 Light switch............................................. 213
Replacing light bulbs ...................... 505
Talk switch
*
Telephone switch
*
Theft deterrent system Alarm ...........................................................79
Engine immobilizer system .............. 77
Tire inflation pressure......................... 484 Maintenance data............................. 568
Tire pressure warning system ..........473 Function .................................................. 473
Initializing ............................................... 473
Initializing procedures..................... 474
Installing tire pressure warning valves and transmitters................ 473
Registering ID codes ....................... 475
Warning light .......................................520
Tires ............................................................ 472 Chains ..................................................... 374
Checking ................................................472
If you have a flat tire ............................531
Inflation pressure................................ 484
Information............................................ 573
Replacing .................................................531
Rotating tires .........................................472
T
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” or “MULTIMEDIA OWNER’S MANUAL”.