2013 Lexus ES300h overheating

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

894Alphabetical index
ES350 300h_OM_OM33A01U_(U)
Hands-free system (for cellular phone)
*............ 444, 568
Head restraints ....................................... 159
Headlights Discharge headlights
precautions........................................ 737
Light switch ........................................... 224
Replacing light bulbs.............................. 726, 727, 736
Wattage ................................................. 836
Heaters
Air conditioning system
*.................................. 347, 359
Heated steering wheel ..................... 618
Seat heaters ......................................... 620
Outside rear view mirrors
*.......... 372
High-voltage components ...................74
Hill-start assist control ........................ 304
Hood .......................................................... 669
Warning message .............................766
Hooks
Cargo hooks ......................................... 612
Coat hooks ........................................... 627
Grocery bag hooks........................... 612
Retaining hooks (floor mat) .............28
Horn ........................................................... 223
Hybrid battery (traction battery) ...................................74
Hybrid battery
(traction battery) air vents ................ 75 Hybrid system............................................70
Emergency shut off system ............. 75
Energy monitor/consumption screen ................................................... 108
EV drive mode .......................................211
High voltage components ................74
Hybrid System Indicator ................... 96
Hybrid system precautions ..............74
Hybrid vehicle driving tips ............ 323
If the hybrid system will not start ............................................... 799
Overheating.......................................... 816
“Power” (ignition) switch ............... 204
Starting the hybrid system............. 204
Vehicle proximity notification system ....................................................... 71
Hybrid System Indicator .......................96
Hybrid transmission .............................. 217 If the shift lever cannot be shifted from P .................................... 801
H

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”.