2010 Lexus ES350 engine overheat

324
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

327
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
427
ES350_U
5-1. Essential informationEmergency flashers .............. 428
If your vehicle needs to be towed ................................ 429
If you think something is wrong .................................. 435
Fuel pump shut off system ... 436
Event data recorder.............. 437
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ................................. 439
If a warning message is displayed................................ 449
If you have a flat tire................. 461
If the engine will not start ...... 471
If the shift lever cannot be shifted from P ....................... 473
If you lose your keys ............... 474
If the electronic key does not operate properly........... 475
If the vehicle battery is discharged ............................. 477
If your vehicle overheats ..... 480
If the vehicle becomes stuck........................................ 483

480
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. ( oP. 3 74 )
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
481
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 required.
Water can be used in an emer-
gency measure if engine coolant
is unavailable. (oP. 4 9 0 )
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

530
Alphabetical index
ES350_U
Cooling systemEngine overheating ......................... 480
Cornering assist sensors .................... 165
Cruise control Cruise control .......................................152
Dynamic radar crui se control ...... 155
Cup holders ............................................. 315
Curtain shield airbags............................85
Customizable features ..........................511
Daytime running light system ........... 146
Defogger Rear window........................................ 207
Side mirror ............................................ 207
Dimension ................................................486
Dinghy towing ......................................... 197
Display Dynamic radar crui se control ...... 155
Trip information ......................................141
Warning message............................. 449
Do-it-yourself maintenance .............366
Door courtesy lights Door courtesy lights........................ 308
Wattage.................................................. 495
Doors Door glasses ........................................... 68
Door lock.................................. 26, 38, 41
Side mirrors ............................................. 66
Driver's seat belt reminder light ...... 441
Driving Break-in tips ............................................. 117
Correct posture .................................... 83
Procedures .............................................. 116
Winter driving tips.............................. 184
Driving position memory ......................50 Electronic key
If the electronic key does not
operate properly.............................475
Emergency, in case of
If the electronic key does not operate properly.............................475
If the engine will not start ................. 471
If the shift lever cannot be shifted from P....................................473
If the vehicle has discharged
battery .................................................. 477
If the warning buzzer sounds...... 439
If the warning light turns on.......... 439
If the warning message is
displayed ............................................ 449
If you have a flat tire .......................... 461
If you lose your keys ......................... 474
If you think something is
wrong .................................................. 435
If your vehicle becomes stuck .... 483
If your vehicle needs to be towed ....................................................429
If your vehicle overheats................480
Emergency flashers
Switch...................................................... 428
Engine
Compartment ......................................373
Engine switch ........................................ 124
Hood ....................................................... 370
How to start the engine ................... 124
Identification number ...................... 487
If the engine will not start ................. 471
Ignition switch ....................................... 124
Overheating ........................................480
Engine compartment cover ............. 374
D
E

533
Alphabetical index
ES350_U
Light bulbsReplacing................................................. 417
Wattage ................................................. 495
Lights
Door courtesy lights ........................308
Emergency flasher switch ............. 428
Fog light switch.....................................148
Hazard light switch........................... 428
Headlights switch ................................ 145
Interior light switch..............................310
Outer foot lights.................................308
Personal light switch ..........................310
Replacing light bulbs ......................... 417
Shift lever lighting ..............................308
Turn signal lever.....................................131
Vanity lights ............................................ 319
Wattage ................................................. 495
Load capacity ..........................................183 Maintenance
Do-it-yourself maintenance......... 366
General maintenance .....................362
Maintenance data ............................. 486
Maintenance requirements ......... 360
Meter
Instrument panel light control....... 135
Meters....................................................... 134
Mirrors Inside rear view mirror .......................65
Side mirror heater .............................207
Side mirrors .............................................66
Vanity mirrors ....................................... 319
Moon roof.....................................................71
MP3 disc .................................................. 226
Multi-information display ................... 140
Odometer................................................. 134
Oil Engine oil................................................375
Opener Fuel filler door ......................................... 75
Hood ........................................................370
Trunk ........................................................... 45
Outer foot lights Outer foot lights ................................ 308
Wattage ................................................. 495
Outside rear view mirrors
Adjusting and folding.......................... 66
Mirror position memory ................... 50
Outside temperature display ........... 142
Overhead console ................................ 314
Overheating, Engine.......................... 480LM
O

538
ES350_U
What to do if...
What to do if...
A tire puncturesP. 4 6 1If you have a flat tire
The engine does not start
P. 4 7 1If the engine will not start
P. 7 8Engine immobilizer system
P. 4 7 5If the electronic key does not operate
properly
The shift lever cannot be
moved outP. 4 7 3If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 4 8 0If your vehicle overheats
The key is lostP. 4 74If you lose your keys
The battery runs outP. 4 7 7If the vehicle battery is discharged
The doors cannot be lockedP. 4 1Doors
The horn begins to soundP. 8 0Alarm
The vehicle is stuck in mud or
sandP. 4 8 3If the vehicle becomes stuck