2017 Lexus ES350 engine overheat

473
ES350_OM_OM33C68U_(U)
8When trouble arises
8-1. Essential informationEmergency flashers ................... 474
If your vehicle has to be stopped in an emergency .... 475
8-2. Steps to take in an emergency If your vehicle needs to be towed ................................. 476
If you think something is wrong ............... 480
Fuel pump shut off system ....... 481
If a warning light turns on or a warning buzzer sounds ..... 482
If a warning message is displayed ............................... 488
If you have a flat tire.................... 491
If the engine will not start ........502
If the electronic key does not operate properly .....................504
If the battery is discharged .....506
If your vehicle overheats .......... 510
If the vehicle becomes stuck .............................................. 513

510
ES350_OM_OM33C68U_(U)8-2. Steps to take in an emergency
If your vehicle overheats
Stop the vehicle in a safe place and turn off the air conditioning system, and
then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down
sufficiently, inspect the hoses and
radiator core (radiator) for any
leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The coolant level is satisfactory if it is
between the “FULL” and “LOW”
lines on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 76 ) e n t e r s t h e
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●Steam comes out from under the hood.
Correction procedures
1
2
3
1
2
4
1
2
3
4

566Alphabetical index
ES350_OM_OM33C68U_(U)
Child restraint systemBooster seats, definition ......................51
Booster seats, installation..................60
Convertible seats, definition ..............51
Convertible seats, installation ........ 58
Front passenger occupant
classification system ......................... 44
Infant seats, definition ............................51
Infant seats, installation ...................... 58
Installing CRS
with LATCH anchors .....................56
Installing CRS with seat belts ......... 58
Installing CRS with top tether strap ...........................61
Child safety ................................................ 50 Airbag precautions .............................. 37
Battery precautions...........................440, 509
Child restraint system ...........................51
How your child should wear the seat belt ............................................31
Installing child restraints.....................55
Moon roof precautions.....................137
Power window lock switch .............. 131
Power window precautions .......... 133
Rear door child-protectors .............98
Removed electronic key battery precautions.............. 458
Seat belt extender precautions........................................... 33
Seat belt precautions .......................... 33
Seat heater precautions.................. 377
Trunk precautions............................... 104 Child-protectors ..................................... 98
Cleaning
Aluminum wheels ................................415
Exterior ..................................................... 414
Interior ....................................................... 417
Seat belts..................................................418
Clock......................................................... 389
Coat hooks ............................................. 394
Condenser...............................................437
Console box........................................... 383
Console box light ................................. 383
Consumption screen ............................. 86
Cooling system Engine overheating ........................... 510
Cruise control Cruise control ..................................... 220
Dynamic radar cruise control .....208
Cup holders............................................ 384
Curtain shield airbags ........................... 35
Customizable features ...................... 538
Daytime running light system............ 166
Defogger
Front windshield..................................372
Outside rear view mirrors .............372
Rear window .........................................372
Dimension ................................................. 516
Dinghy towing ......................................... 153
Display
Dynamic radar cruise control .....208
LDA (Lane Departure Alert with steering control) .....................199
Multi-information display..................80
Trip information ..................................... 87
Warning message............................ 488
D

567Alphabetical index
ES350_OM_OM33C68U_(U)
Display Audio system ......................... 270Display settings ................................... 287
Setup menu ...........................................282
Do-it-yourself maintenance ..............427
Door courtesy lights Location ..................................................379
Wattage ..................................................524
Doors
Automatic door locking and unlocking system......................98
Door glasses ........................................... 131
Door lock .................................................. 97
Outside rear view mirrors .............. 128
Rear door child-protector................98
Driver’s seat position memory ........... 117 Driving position memory .................. 118
Memory recall function...................... 119
Power easy access system .............. 117
Driving Break-in tips ...........................................142
Correct driving posture ....................28
Driving mode select switch ..........248
Procedures ............................................ 140
Winter drive tips ................................. 263
Dynamic radar cruise control Function ................................................. 208
Eco drive mode ..................................... 248
Eco Driving Indicator............................. 84
EDR (Event data recorder) ...................10 Electric Power Steering (EPS)
Function .................................................. 259
Warning light .......................................483
Electronic key ............................................92
Battery-saving function ..................... 110
If the electronic key does not operate properly ............................504
Replacing the battery ...................... 457
Emergency, in case of If a warning buzzer
sounds ................................................. 482
If a warning light turns on .............. 482
If a warning message is displayed ....................................... 488
If the battery is discharged........... 506
If the electronic key does not operate properly........504
If the engine will not start ...............502
If you have a flat tire ............................491
If you think something
is wrong ............................................. 480
If your vehicle becomes
stuck........................................................513
If your vehicle has to be
stopped in an emergency.......... 475
If your vehicle needs
to be towed ....................................... 476
If your vehicle overheats ................. 510
Emergency flashers ............................. 474
E

568Alphabetical index
ES350_OM_OM33C68U_(U)
EngineAccessory mode................................. 155
Compartment ....................................... 431
Engine switch ........................................ 154
Hood ........................................................ 429
How to start the engine ................... 154
Identification number ........................ 517
If the engine will not start............... 502
Ignition switch (engine switch)..... 154
Overheating .......................................... 510
Engine compartment cover ............. 432
Engine coolant Capacity ................................................ 520
Checking................................................436
Preparing and checking before winter ....................................263
Engine coolant temperature gauge .........................................................76
Engine immobilizer system ................. 65
Engine oil Capacity .................................................. 518
Checking................................................433
Preparing and checking before winter ....................................263
Enhanced VSC ..................................... 258
EPS (Electronic Power Steering)Function ..................................................259
Warning light ...................................... 483
Event data recorder (EDR) ...................10 Flat tire ........................................................ 491
Floor mats....................................................26
Fluid
Automatic transmission ....................521
Brake.......................................................... 521
Washer ..................................................... 441
Fog lights
Switch ........................................................ 172
Footwell light...........................................379
Front passenger occupant classification system ............................44
Front personal lights ........................... 380
Front seats Adjustment............................................... 116
Cleaning................................................... 417
Correct driving posture .................... 28
Driving position memory................... 117
Head restraints .......................................121
Power easy access system ............... 117
Seat heaters .......................................... 378
Seat position memory .........................117
Seat ventilators.................................... 378
Front side marker lights
Light switch.............................................165
Replacing light bulbs ....................... 467
Wattage ................................................. 524
Front turn signal lights
Replacing light bulbs ....................... 465
Turn signal lever ...................................163
Wattage ................................................. 524F