heating Lexus ES300h 2015 User Guide

6518-2. Steps to take in an emergency
ES350_300h_OM_OM33B36U_(U)
8
When trouble arises
*: 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)

688
ES350_300h_OM_OM33B36U_(U)
8-2. Steps to take in an emergency
If your vehicle overheats (gasoline vehicles)
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 following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 97) 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.
Correction procedures
1
2
3
1
2

691
ES350_300h_OM_OM33B36U_(U)
8-2. Steps to take in an emergency
8
When trouble arises
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.
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 97) 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. 647) is shown on the multi-informa-
tion display.
●Steam comes out from under the hood.
Correction procedures
1
2

768Alphabetical index
ES350_300h_OM_OM33B36U_(U)
CareAluminum wheels ..............................523
Exterior.................................................... 522
Interior .....................................................526
Seat belts ................................................ 527
Cargo capacity...................................... 202
Cargo hooks ..........................................488
CD player
*............................................. 387
Chains ....................................................... 343
Child restraint system Booster seats, definition ................... 58
Booster seats, installation..................68
Convertible seats, definition ........... 58
Convertible seats, installation .........65
Front passenger occupant
classification system ........................ 50
Infant seats, definition ......................... 58
Infant seats, installation .......................65
Installing CRS
with LATCH anchors ..................... 63
Installing CRS with seat belts ..........65
Installing CRS with top tether strap .........................69 Child safety ................................................. 57
12-volt battery
precautions .......................... 559, 683
Airbag precautions................................ 41
Child restraint system......................... 58
How your child should wear
the seat belt .......................................... 34
Installing child restraints .................... 62
Moon roof precautions ................... 185
Power window lock switch............. 177
Power window precautions .......... 180
Rear door child-protectors ............145
Removed electronic key battery precautions ............. 585
Seat belt extender precautions ...........................................37
Seat belt precautions ............................ 61
Seat heater precautions ..................477
Trunk precautions ............................... 152
Child-protectors .................................... 145
Cleaning Aluminum wheels .............................. 523
Exterior ................................................... 522
Interior ..................................................... 526
Seat belts................................................ 527
Clock........................................................... 491
Coat hooks ............................................. 499
Condenser.............................................. 555
Console box........................................... 485
Console box light ................................. 485
Consumption screen ............................. 118
Cooling system
Engine overheating ......................... 688
Hybrid system overheating ............691
Cruise control Cruise control ..................................... 254
Dynamic radar cruise control .....258
C

770Alphabetical index
ES350_300h_OM_OM33B36U_(U)
Emergency, in case ofIf a warning buzzer
sounds..................................................626
If a warning light turns on...............626
If a warning message is displayed ....................................... 636
If the 12-volt battery is discharged ........................... 680, 684
If the electronic key does not operate properly ........ 677
If the engine will not start................ 672
If the hybrid system will not start ................................................674
If the shift lever
cannot be shifted from P ............676
If you have a flat tire ......................... 659
If you think something is wrong...............................................624
If your vehicle becomes stuck ......................................................697
If your vehicle has to be stopped in an emergency ........... 615
If your vehicle needs to be towed .........................................617
If your vehicle overheats .... 688, 691
Emergency flashers ...............................614
Energy monitor ........................................ 114 Engine
Accessory mode ...............................206
Compartment .....................................545
Engine switch ............................205, 212
Hood..........................................................541
How to start the engine..................205
How to start the hybrid system .................................................... 212
Identification number ....................... 702
If the engine will not start ............... 672
Ignition switch (“POWER” switch).................................................... 212
Ignition switch (“START STOP ENGINE” switch) .........................205
Overheating..............................688, 691
“POWER” switch. ............................... 212
“START STOP ENGINE” switch ...................................................205
Engine compartment cover..............547
Engine coolant Capacity ................................................. 707
Checking ...............................................553
Preparing and checking before winter ...................................... 341
Engine coolant temperature gauge ......................................................... 97
Engine immobilizer system ................. 84
Engine oil Capacity ................................................. 705
Checking ...............................................548
Oil level warning message ........... 644
Oil pressure warning message........................... 637
Preparing and checking
before winter ...................................... 341

772Alphabetical index
ES350_300h_OM_OM33B36U_(U)
Hands-free system (for cellular phone)
*..........................419
Head restraints ........................................165
Headlights Discharge headlights
precautions........................................... 611
Light switch ........................................... 233
Replacing light bulbs............................... 600, 601, 610
Wattage ....................................................714
Heaters
Air conditioning system ..................................................464
Heated steering wheel ....................478
Seat heaters ..........................................478
Outside rear view mirrors .............470
High-voltage components ................... 77
Hill-start assist control ..........................319
Hood ............................................................541
Warning message .............................. 641
Hooks
Cargo hooks ....................................... 488
Coat hooks .......................................... 499
Grocery bag hooks......................... 488
Retaining hooks (floor mat) .............28
Horn ........................................................... 232
Hybrid battery (traction battery) ................................... 77
Hybrid battery
(traction battery) air vents ................ 78 Hybrid system............................................ 73
Emergency shut off system ............. 78
Energy monitor/consumption screen ...................................................... 112
EV drive mode ..................................... 219
High voltage components ................ 77
Hybrid System Indicator ................. 100
Hybrid system precautions .............. 77
Hybrid vehicle driving tips ............338
If the hybrid system will not start ............................................... 674
Overheating...........................................691
“Power” (ignition) switch ................. 212
Starting the hybrid system............... 212
Vehicle proximity notification system ......................................................74
Hybrid System Indicator .................... 100
Hybrid transmission .............................226 If the shift lever cannot be shifted from P ................................... 676
H

775Alphabetical index
ES350_300h_OM_OM33B36U_(U)
MirrorsInside rear view mirror ....................... 171
Outside rear view mirror defoggers ...........................................470
Outside rear view mirrors ...............174
Vanity mirrors ..................................... 490
Mobile Assistant
*................................ 459
Moon roof
Door lock linked moon roof operation ..................... 183
Jam protection function ................... 183
Operation .................................................181
Warning message ............................. 642
MP3 disc
*............................................... 387
Multi-information display ................... 102 Dynamic radar cruise control..... 258
Energy monitor ...................................... 114
Language ...............................................730
Switching the display......................... 103
Trip information ................................... 103
Warning message ............................ 636
Navigation system
*
Noise from under vehicle ....................... 8 Odometer ................................................... 97
Oil
Engine oil ............................................... 705
Opener Hood..........................................................541
Trunk ..........................................................149
Ornament lights ....................................479
Outer foot lights Outer foot lights ................................. 479
Wattage ................................................... 714
Outside rear view mirrors
Adjusting and folding ........................ 174
Blind spot monitor ............................ 328
Linked mirror function when reversing.................................. 175
Mirror position memory ..................159
Outside rear view mirror defoggers............................ 470
Outside temperature display ............103
Overheating................................. 688, 691
N
O
*: For vehicles with a navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.