2016 Lexus ES300h heating

394
ES300h_OM_OM33B71U_(U)6-1. Using the air conditioning system and defogger
Heated steering wheel/seat heaters/
seat ventilators


: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats.
WA R N I N G
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel an d seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (s leeping drugs, cold
remedies, etc.)
●Observe the following precautions to prevent minor burns or overheating:
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use the seat heater more than necessary.
NOTICE
●Do not put heavy objects that have an uneven surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat.
●To prevent 12-volt battery discharge, do not use the functions when the hybrid system
is off.

527
ES300h_OM_OM33B71U_(U)8-2. Steps to take in an emergency
8
When trouble arises
If your vehicle overheats
■If the needle of the engine coolant temperature gauge enters the red zone
Stop the vehicle in a safe place and tu rn off the air conditioning system, 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.
Radiator
Cooling fans
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
“FULL”
“LOW”
Radiator cap
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( P. 86) enters the
red zone or a loss of hybrid system po wer is experienced. (For example, the
vehicle speed does not increase.)
●“Hybrid System Overheated” is show n on the multi-information display.
●Steam comes out from under the hood.
Correction procedures
1
2
3
1
2
4
1
2
3
4

584Alphabetical index
ES300h_OM_OM33B71U_(U)
CareAluminum wheels ..............................429
Exterior....................................................428
Interior ...................................................... 431
Seat belts ................................................ 432
Cargo capacity........................................163
Cargo hooks .......................................... 403
CD player
*...............................................319
Chains ........................................................ 281
Child restraint system Booster seats, definition ....................53
Booster seats, installation.................. 62
Convertible seats, definition ............ 53
Convertible seats, installation .........60
Front passenger occupant classification system ......................... 46
Infant seats, definition .......................... 53
Infant seats, installation .......................60
Installing CRS with LATCH anchors .................... 58
Installing CRS with seat belts ..........60
Installing CRS with top tether strap ......................... 63
Child safety ................................................ 52 12-volt battery precautions ...........526
Airbag precautions .............................. 39
Child restraint system ......................... 53
How your child should wear the seat belt .......................................... 33
Installing child restraints..................... 57
Moon roof precautions...................... 151 Power window lock switch.............145
Power window precautions ........... 147
Rear door child-protectors ............... 111
Removed electronic
key battery precautions .............. 476
Seat belt extender precautions .......................................... 35
Seat belt precautions .......................... 56
Seat heater precautions ................. 394
Trunk precautions ................................. 117
Child-protectors ....................................... 111
Cleaning Aluminum wheels .............................. 429
Exterior ................................................... 428
Interior ....................................................... 431
Seat belts................................................ 432
Clock......................................................... 406
Coat hooks ............................................... 410
Condenser...............................................452
Console box ........................................... 400
Console box light ................................. 400
Consumption screen ..............................99
Cooling system Hybrid system overheating .......... 527
Cruise control Cruise control ..................................... 234
Dynamic radar cruise control ......222
Cup holders.............................................. 401
Curtain shield airbags ............................ 37
Customizable features ...................... 555
C

586Alphabetical index
ES300h_OM_OM33B71U_(U)
Emergency, in case ofIf a warning buzzer sounds................................................. 499
If a warning light turns on.............. 499
If a warning message is displayed ....................................... 505
If the 12-volt battery is discharged .........................................523
If the electronic key does not operate properly ......... 521
If the hybrid system will not start ................................................. 518
If the shift lever cannot be shifted from P ........... 520
If you have a flat tire ......................... 508
If you think something is wrong.............................................. 498
If your vehicle becomes stuck ....................................................... 531
If your vehicle has to be stopped in an emergency ..........493
If your vehicle needs to be towed .......................................494
If your vehicle overheats ................ 527
Emergency flashers ............................. 492
Energy monitor .........................................97 Engine
Accessory mode ................................. 167
Compartment ..................................... 445
Hood........................................................ 443
How to start the hybrid system ....................................................166
Identification number.......................536
Ignition switch (power switch) ......166
Overheating......................................... 527
Power switch. ........................................166
Engine compartment cover..............446
Engine coolant Capacity.................................................539
Checking .................................................451
Preparing and checking before winter ....................................280
Engine coolant temperature gauge ........................................................ 86
Engine oil Capacity................................................. 537
Checking ............................................... 447
Preparing and checking before winter ....................................280

588Alphabetical index
ES300h_OM_OM33B71U_(U)
Hands-free system (for cellular phone)
*........................ 345
Head restraints ....................................... 135
Headlights Light switch ............................................ 178
Replacing light bulbs......................................... 482, 489
Wattage ..................................................542
Heaters Air conditioning system ................................................. 384
Heated steering wheel ................... 395
Seat heaters ......................................... 395
Outside rear view mirrors ............ 388
High-voltage components .................... 71
Hill-start assist control .........................272
Hood .......................................................... 443
Hooks Cargo hooks ....................................... 403
Coat hooks ............................................ 410
Grocery bag hooks......................... 403
Retaining hooks (floor mat) ............. 28
Horn .............................................................139
Hybrid battery (traction battery) .................................... 71
Hybrid battery (traction battery) air vents .................72 Hybrid system............................................ 67
Emergency shut off system .............. 72
Energy monitor/consumption screen ..................................................... 96
EV drive mode ....................................... 171
High voltage components ................. 71
Hybrid System Indicator ...................88
Hybrid system precautions ............... 71
Hybrid vehicle driving tips ............ 278
If the hybrid system will not start ................................................ 518
Overheating......................................... 527
“Power” (ignition) switch .................166
Starting the hybrid system...............166
Vehicle proximity notification system ..................................................... 68
Hybrid System Indicator ...................... 88
Hybrid transmission .............................. 173 If the shift lever cannot be shifted from P ...................................520
H

591Alphabetical index
ES300h_OM_OM33B71U_(U)
MirrorsInside rear view mirror ..................... 140
Outside rear view mirror defoggers .......................................... 388
Outside rear view mirrors ...............142
Vanity mirrors ..................................... 405
Mobile Assistant
*................................380
Moon roof Door lock linked moon roof operation ..................... 149
Jam protection function ................... 149
Operation ............................................... 148
MP3 disc
*.................................................319
Multi-information display .......................91 Drive information .................................. 92
Dynamic radar cruise control...... 222
Energy monitor ...................................... 97
Language ...............................................557
Switching the display........................... 92
Warning message ............................ 505
Navigation system
*
Noise from under vehicle ....................... 8 Odometer .................................................. 86
Oil
Engine oil ............................................... 537
Opener Hood........................................................ 443
Trunk ............................................................114
Ornament lights ................................... 396
Outer foot lights Outer foot lights ................................. 396
Wattage ................................................. 542
Outside rear view mirrors Adjusting and folding ........................ 142
Blind spot monitor ............................ 264
Linked mirror function when reversing.................................. 143
Mirror position memory ................. 130
Outside rear view mirror defoggers........................... 388
Outside temperature display ............. 86
Overheating............................................527
N
O
*: For vehicles with navigation system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.