2013 Lexus ES300h engine overheat

739
ES350 300h_OM_OM33A01U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers................... 740
If your vehicle has to be stopped in an emergency ...... 741 7-2. Steps to take in an emergency
If your vehicle needs to be towed .................................743
If you think something is wrong ................. 749
Fuel pump shut off system (gasoline vehicles) .................. 750
If a warning light turns on or a warning buzzer sounds .......751
If a warning message is displayed .................................. 761
If you have a flat tire................... 784
If the engine will not start (gasoline vehicles) ...................797
If the hybrid system will not start (hybrid vehicles) ............ 799
If the shift lever cannot be shifted from P ...................... 801
If the electronic key does not operate properly .....................802
If the 12-volt battery is discharged (gasoline
vehicles) ..................................... 805
If the 12-volt battery is discharged (hybrid
vehicles) ..................................... 809
If your vehicle overheats (gasoline vehicles) ................... 813
If your vehicle overheats (hybrid vehicles) ....................... 816
If the vehicle becomes stuck .............................................820

7727-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
Indicates that the Blind
Spot Monitor sensors or
the surrounding area on
the bumper is dirty or
covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Indicates that the hybrid
system has overheatedThis message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.)
Stop and check.
(→ P. 8 1 6 )
Indicates that remaining
fuel is approximately 2.6
gal. (9.7 L, 2.1 Imp.gal.) or
less
Refuel the vehicle.
Indicates that the “START
STOP ENGINE”
<“POWER”> switch is
turned off or turned to
ACCESSORY mode and
the driver’s door is
opened while the lights
are turned on
Turn the lights off.
Indicates that the driver’s
door was opened with the
shift position in any posi-
tion other than P
Shift the shift position to P.
Warning messageDetailsCorrection procedure
(If equipped)
(Hybrid vehicles)
(Flashes)
(Flashes)
(Hybrid vehicles)

7767-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supple-ment” for the maintenance interval applicable to your vehicle.
Warning messageDetailsCorrection procedure
Indicates that the tire
position information can-
not be recognized
Drive for a short while
and check if the display
updates. If the radio wave condi-
tions improve, the dis-
play may return to
normal. If the tire pres-
sure is still not dis-
played after driving for
several minutes, stop
the vehicle in a safe
place, turn the “START
STOP ENGINE”
<“POWER”> switch off
then on again, and start
driving.
If the tire pressure is still
not displayed even
after repeating this sev-
eral times, have the
vehicle inspected at
your Lexus dealer.
Indicates that the pre-col-
lision system is not cur-
rently functional because
the grille cover or the
sensor is dirtyThis message also
appears when the pre-
collision system is not
functional due to over-
heating.
• Check the grille coverand the sensor and
clean them if they are
dirty.
• In case of overheating, the system will become
functional once the sys-
tem cools down.
(Flashes)
(If equipped)

813
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If your vehicle overheats (gasoline vehicles)
Follow the correction procedure as described below.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 (radia-
tor) for any leaks.
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” line on the reservoir.Reservoir cap
“FULL”
“LOW”
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 9 3 )
enters the 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.
1
2
3
4
1
2
3

816
ES350 300h_OM_OM33A01U_(U)
7-2. Steps to take in an emergency
If your vehicle overheats (hybrid vehicles)
■If the needle of the engine coolant temperature gauge enters the red
zone
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has
cooled down sufficiently,
inspect the hoses and cooling
system for leaks.
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 9 3 )
enters the red zone or a loss of hybrid system power is experienced.
(For example, the vehicle speed does not increase.)
●“Hybrid System Overheat” ( →P. 772) is shown on the multi-informa-
tion display.
●Steam comes out from under the hood.
Correction procedures
1
2
3

890Alphabetical index
ES350 300h_OM_OM33A01U_(U)
CareAluminum wheels ............................... 651
Exterior................................................... 650
Interior .................................................... 654
Seat belts ............................................... 655
Cargo capacity........................................194
Cargo hooks ............................................612
CD player
*................................. 394, 505
Chains ....................................................... 328
Child restraint system Booster seats, definition ....................55
Booster seats, installation..................65
Convertible seats, definition ............55
Convertible seats, installation ......... 62
Front passenger occupant
classification system .........................49
Infant seats, definition ..........................55
Infant seats, installation ....................... 62
Installing CRS
with LATCH anchors .....................60
Installing CRS with seat belts .......... 62
Installing CRS with top tether strap .........................66 Child safety .................................................54
12-volt battery
precautions ..........................687, 808
Airbag precautions................................ 41
Child restraint system......................... 55
How your child should wear
the seat belt .......................................... 34
Installing child restraints .................... 59
Moon roof precautions .................... 177
Power window lock switch.............170
Power window precautions ........... 172
Rear door child-protectors ............140
Removed electronic key battery precautions ..................711
Seat belt extender precautions ...........................................37
Seat belt precautions ..........................58
Seat heater precautions ................... 621
Trunk precautions ............................... 147
Child-protectors ....................................140
Cleaning Aluminum wheels ................................651
Exterior .................................................. 650
Interior .....................................................654
Seat belts................................................655
Clock........................................................... 615
Coat hooks .............................................. 627
Condenser.............................................. 683
Console box........................................... 609
Console box light ................................. 609
Consumption screen ............................. 115
Cooling system
Engine overheating ........................... 813
Hybrid system overheating ........... 816
Cruise control Cruise control ..................................... 244
Dynamic radar cruise control ..... 248
C

892Alphabetical index
ES350 300h_OM_OM33A01U_(U)
Emergency, in case ofIf the 12-volt battery is
discharged ........................... 805, 809
If the electronic key
does not operate properly ....... 802
If the engine will not start................ 797
If the hybrid system will not start ................................................799
If the shift lever cannot be shifted from P .............801
If the warning buzzer sounds................................................... 751
If the warning light turns on............ 751
If the warning message is displayed ..........................................761
If you have a flat tire ..........................784
If you think something is wrong...............................................749
If your vehicle becomes stuck ..................................................... 820
If your vehicle has to be stopped in an emergency ............741
If your vehicle needs to be towed ....................................... 743
If your vehicle overheats ...... 813, 816
Emergency flashers ............................. 740
Energy monitor ........................................ 110 Engine
Accessory mode ................................ 198
Compartment ..................................... 673
Engine switch ............................197, 204
Hood........................................................669
How to start the engine.................... 197
How to start the hybrid system .................................................. 204
Identification number ....................... 826
If the engine will not start ............... 797
Ignition switch (“POWER” switch).................................................. 204
Ignition switch (“START STOP ENGINE” switch) ........................... 197
Overheating................................813, 816
“Power” switch. ................................... 204
“START STOP ENGINE” switch ..................................................... 197
Engine compartment cover..............675
Engine coolant Capacity .................................................. 831
Checking ................................................ 681
Preparing and checking before winter .................................... 326
Engine coolant temperature gauge .........................................................93
Engine immobilizer system ................. 80
Engine oil Capacity ................................................. 829
Checking ............................................... 676
Oil level warning message ........... 769
Oil pressure warning message........................... 762
Preparing and checking
before winter .................................... 326

897Alphabetical index
ES350 300h_OM_OM33A01U_(U)
MirrorsInside rear view mirror ..................... 164
Outside rear view mirror defoggers
*........................................ 372
Outside rear view mirrors ...............167
Vanity mirrors ....................................... 614
Moon roof Door lock linked
moon roof operation ..................... 175
Jam protection function ................... 175
Operation ................................................173
Warning message ............................. 767
MP3 disc
*..................................... 395, 514
Multi-information display ..................... 98
Dynamic radar cruise control......248
Energy monitor ...................................... 110
Language .............................................. 852
Switching the display...........................99
Trip information .....................................99
Warning message ...............................761
Navigation system
*
Noise from under vehicle ....................... 8 Odometer ...................................................93
Oil
Engine oil ............................................... 829
Opener Hood........................................................669
Trunk .......................................................... 144
Ornament lights ................................... 603
Outer foot lights Outer foot lights .................................603
Wattage .................................................836
Outside rear view mirrors
Adjusting and folding ........................ 167
Blind spot monitor .............................. 313
Linked mirror function when reversing................................. 168
Mirror position memory ..................153
Outside rear view mirror defoggers
*.........................372
Outside temperature display ..............99
Overheating.................................. 813, 816
N
O
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.