2011 Lexus ES350 engine overheat

330
3-7. Other interior features
ES350_U
Seat heaters∗
■The seat heaters and ventilators can be used when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■When not in use
Set the dial to 0. The indicator light turns off.
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs,cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
Heats the seats
The indicator light comes on.
The higher the number, the
warmer the seats become.Left front seat Right front seat
∗: If equipped

333
3-7. Other interior features
3
Interior features
ES350_U
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping drugs,cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
NOTICE
■To prevent seat heater damage
Do not put unevenly weighted objects on the seat and do not stick sharp objects
(needles, nails, etc.) into the seat.
■To prevent battery discharge
Set the dial to 0 when the engine is not running.

When trouble arises5
433
ES350_U
5-1. Essential informationEmergency flashers............... 434
If your vehicle needs to be towed ...................................... 435
If you think something is wrong ....................................... 441
Fuel pump shut off system.... 442
Event data recorder .............. 443 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... ................................. 445
If a warning message is displayed................................ 455
If you have a flat tire................ 467
If the engine will not start ..... 476
If the shift lever cannot be shifted from P ....................... 478
If you lose your keys ............... 479
If the electronic key does not operate properly.......... 480
If the vehicle battery is discharged ............................ 483
If your vehicle overheats ..... 486
If the vehicle becomes stuck........................................ 489
If your vehicle has to be stopped in an
emergency ............................ 490

486
5-2. Steps to take in an emergency
ES350_U
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the automatic air
conditioning system.
Check to see if steam is coming out from under the hood.
If you see steam: Stop the engine. Carefully lift the hood after the steam sub-
sides and then restart the engine.
If you do not see steam: Leave the engine running and carefully lift the hood.
Remove the engine compartment cover. ( →P. 382)
Check to see if the cooling fan is operating.
If the fan is operating: Wait until the temperature of the engine (shown on the
instrument cluster) begins to fall and then stop the engine.
If the fan is not operating: Stop the engine immediately and call your local Lexus
dealer.
After the engine has cooled
down sufficiently, check the
engine coolant level and inspect
the radiator core (radiator) for
any leaks.STEP1
STEP2
STEP3
STEP4
STEP5

5
When trouble arises
487
5-2. Steps to take in an emergency
ES350_U
■Overheating
If you observe the following, your vehicle may be overheating.
●The engine coolant temperature gauge enters the red zone or a loss of power is
experienced.
●Steam is coming from under the hood.
Add engine coolant if neces-
sary.
Water can be used in an emer-
gency measure if engine coolant
is unavailable. (→P. 4 9 6 )
Install the reservoir cap.
Make sure that the engine cool-
ant reservoir hose is positioned
as shown in the illustration.
Have the vehicle checked at your nearest Lexus dealer as soon as pos-
sible.
STEP6
STEP7

546
Alphabetical index
ES350_U
Child safetyAirbag precautions.............................. 92
Battery precautions ............. 392, 485
Child restraint system........................102
Child-protectors ..................................... 41
How your child should wear
the seat belt .......................................... 60
Installing child restraints .................. 106
Moon roof precautions ..................... 75
Power window lock switch.............. 68
Power window precautions ............ 70
Removed electronic key
battery precautions ......................... 412
Seat belt comfort guide..................... 58
Seat belt extender precautions ..... 62
Seat belt precautions .......................... 60
Seat heater precautions .....330, 333
Trunk precautions ................................ 46
Child-protectors ....................................... 41
Cigarette lighter....................................328 Cleaning
Exterior ....................................................362
Interior..................................................... 365
Seat belts ............................................... 366
Clock ......................................................... 326
Coat hooks.............................................. 338
Compass .................................................. 349
Condenser ..............................................388
Console box .............................................319
Cooling system Engine overheating.......................... 486
Cornering assist sensors ...................... 171
Cruise control Cruise control....................................... 155
Dynamic radar crui se control.......158
Cup holders ..............................................321
Curtain shield airbags ........................... 86
Customizable features .........................517

547
Alphabetical index
ES350_U
Daytime running light system............ 149
DefoggerRear window.......................................... 215
Side mirror .............................................. 215
Dimension ................................................492
Dinghy towing ....................................... 204
Display Dynamic radar cruise control ...... 158
Trip information .................................... 143
Warning message ............................ 455
Do-it-yourself maintenance.............. 374
Door courtesy lights Door courtesy lights .......................... 314
Wattage .................................................. 501
Doors Door glasses........................................... 68
Door lock ............................... 26, 38, 40
Side mirrors............................................. 66
Driver's seat belt reminder light ..... 447
Driving Break-in tips .............................................119
Correct posture .................................... 84
Procedures .............................................. 118
Winter driving tips ................................191
Driving position memory ......................49 Electronic key
If the electronic key does not
operate properly ........................... 480
Emergency, in case of
If the electronic key does not operate properly ........................... 480
If the engine will not start................ 476
If the shift lever cannot be shifted from P ...................................478
If the vehicle battery is
discharged ........................................ 483
If the warning buzzer sounds ......445
If the warning light turns on...........445
If the warning message is
displayed............................................ 455
If you have a flat tire ......................... 467
If you lose your keys ......................... 479
If you think something is
wrong .....................................................441
If your vehicle becomes stuck .... 489
If your vehicle has to be stopped in an emergency ......... 490
If your vehicle needs to be towed....................................................435
If your vehicle overheats ............... 486DE

548
Alphabetical index
ES350_U
Emergency flashersSwitch ...................................................... 434
Engine Compartment ...................................... 381
Engine switch......................................... 126
Hood........................................................ 378
How to start the engine.................... 126
Identification number....................... 493
If the engine will not start ............... 476
Ignition switch........................................ 126
Overheating.........................................486
Engine compartment cover .............382
Engine coolant Capacity................................................. 496
Checking ...............................................386
Preparing and checking
before winter ....................................... 191
Engine coolant temperature
gauge ....................................................... 136
Engine immobilizer system.................. 79
Engine oil Capacity.................................................495
Checking ...............................................383
Preparing and checking
before winter ....................................... 191
Engine oil maintenance data........... 385
Event data recorder ............................443 Floor mat .................................................. 339
Fluid
Brake .......................................................388
Power steering fluid ......................... 389
Washer................................................... 393
Fog lights
Switch.......................................................... 151
Wattage ...................................................501
Foot well lighting.....................................314
Front fog lights Switch.......................................................... 151
Wattage ...................................................501
Front passenger occupant classification system ............................ 97
Front passenger's seat belt reminder light ..................................... 447
Front seats Adjustment .............................................. 48
Driving position memory ..................49
Seat position memory.........................53
Front side marker lights Replacing light bulbs ........................424
Wattage ...................................................501
Front turn signal lights
Replacing light bulbs ........................424
Wattage ...................................................501F