2014 TOYOTA HIGHLANDER HYBRID overheating

5217-2. Steps to take in an emergency
7
When trouble arises
HIGHLANDER_HV_U (OM48D74U)
●The needle of the engine coolant temperature gauge ( P. 103)
enters the red zone or a loss of hybrid system power is experi-
enced. (For example, the vehicle speed does not increase.)
● “Hybrid System Overh eat” is shown on the multi-information dis-
play.
● Steam comes out from under the hood.
■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
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 radia-
tor core (radiator) for any
leaks.Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact
your Toyota dealer.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

591Alphabetical index
HIGHLANDER_HV_U (OM48D74U)
Care................................... 380, 383Aluminum wheels.................. 381
Exterior ................................. 380
Interior................................... 383
Seat belts .............................. 384
Cargo hooks............................. 349
CD player
*
Chains....................................... 318
Child restraint system ............... 62 Booster seats, definition ......... 63
Booster seats, installation ....... 74
Convertible seats, definition ............................... 63
Convertible seats,
installation ............................ 70
Front passenger occupant classification syst em............. 54
Infant seats, definition ............. 63
Infant seats, installation .......... 70
Installing CRS with LATCH anchors .................... 68
Installing CRS with seat belts ...................................... 70
Installing CRS with top tether strap ........................... 76
Child safety ................................ 61 12-volt battery
precautions ................. 410, 519
Airbag precautions .................. 44
Back door precautions .......... 139
Child restraint system ............. 62
Glass hatch precautions ....... 145
How your child should wear the seat belt .......................... 37
Installing child restraints ......... 66
Moon roof precautions .......... 186 Panoramic moon roof
precautions......................... 191
Power window lock switch .... 180
Power window precautions ... 182
Rear door child-protectors .... 131
Removed electronic key battery precautions............. 429
Seat belt extender
precautions........................... 40
Seat belt precautions .............. 39
Seat heater precautions ....... 336
Child-protectors ...................... 131
Cleaning ........................... 380, 383 Aluminum wheels ................. 381
Exterior ................................. 380
Interior .................................. 383
Seat belts.............................. 384
Clock......................................... 353
Coat hooks ............................... 359
Compass .................................. 374
Condenser................................ 404
Console box ............................. 343
Conversation mirror ................ 352
Cooling system........................ 403 Hybrid system overheating ... 521
Cruise control Cruise control ....................... 264
Dynamic radar cruise
control ................................ 269
Cup holders ............................. 345
Curtain shield airbags............... 42
Customizable features ............ 556
C
*: Refer to “Navigation and Multimedia System Owner’s Manual”

593Alphabetical index
HIGHLANDER_HV_U (OM48D74U)
If the shift lever cannot be shifted from P .... 512
If you have a flat tire ............. 486
If you think something is wrong.................................. 456
If your vehicle becomes stuck ................................... 525
If your vehicle has to be
stopped in an emergency ... 451
If your vehicle needs to be towed .................................. 452
If your vehicle overheats ....... 521
Energy monitor ........................ 117
Engine....................................... 530 Accessory mode ................... 230
Compartment ........................ 399
Hood ..................................... 396
How to start the hybrid system ......... ....................... 229
Identification number ............ 530
If the hybrid system
will not start ........................ 510
Ignition switch
(power switch) .................... 229
Overheating .......................... 521
Power switch......................... 229
Engine coolant ......................... 403
Capacity ................................ 534
Checking ............................... 403
Preparing and checking before winter....................... 316
Engine coolant temperature gauge...................................... 103 Engine oil ................................. 400
Capacity................................ 532
Checking............................... 400
Oil pressure warning light ..... 457
Oil pressure warning
message............................. 474
Preparing and checking before winter ...................... 316
Engine switch .......................... 229
Enhanced VSC ......................... 291
EPS (Electric Power Steering) ..... 292 Function ................................ 292
Warning light......................... 458
EV drive mode ......................... 235
Event data recorder (EDR)........ 11
Flat tire ..................................... 486
Floor mats .................................. 28
Fluid Brake .................................... 535
Hybrid transmission .............. 535
Washer ................................. 406
Fog lights ................................. 254 Replacing light bulbs ............ 434
Switch ................................... 254
Wattage ................................ 539
Front automatic air conditioning system ............. 326
Front door courtesy lights Location ................................ 339
Wattage ................................ 539
Front fog lights ........................ 254 Replacing light bulbs ............ 434
Switch ................................... 254
Wattage ................................ 539
Front passenger occupant classification system .............. 54
F

595Alphabetical index
HIGHLANDER_HV_U (OM48D74U)
Hybrid system ............................ 81Emergency shut off system .... 86
Energy monitor/
consumption screen ........... 117
EV drive mode ...................... 235
High voltage components ....... 85
Hybrid System Indicator........ 105
Hybrid system precautions ..... 85
Hybrid vehicle driving tips ..... 314
If the hybrid system will not start ........................ 510
Overheating .......................... 521
Power (ignition) switch .......... 229
Starting the hybrid system .... 229
Vehicle proximity notification system ......... ......................... 84
Hybrid System Indicator ......... 105
Hybrid transmission ................ 237
If the shift lever cannot be shifted from P ..................... 512
S mode ................................. 239
I/M test ...................................... 393
Identification ............................ 529 Engine................................... 530
Vehicle .................................. 529
Ignition switch (power switch) ....................... 229
Illuminated entry system ........ 341
Immobilizer system ................... 91
Indicators ................................. 101
Initialization
Maintenance ......................... 387
Moon roof.............................. 185
Panoramic moon roof ........... 189
Power back door ................... 139
Power windows ..................... 181
Tire pressure warning system ... ............... 414 Inside rear view mirror ............ 175
Interior lights ........................... 339
Switch ................................... 340
Wattage ................................ 539
Intuitive parking assist
*
Jack
Positioning the jack............... 398
Vehicle-equipped jack .......... 487
Jack handle .............................. 487
Jam protection function
Moon roof ............................. 184
Panoramic moon roof ........... 189
Power back door................... 138
Power window ...................... 180
Keyless entry Smart key system ................. 128
Wireless remote
control ........................ 129, 135
Keys .......................................... 124
Battery-saving function ......... 150
Electronic key ....................... 124
Engine switch ....................... 229
If the electronic key does not operate properly ................. 513
If you lose your keys ............. 125
Key number plate ................. 124
Keyless entry ........................ 128
Mechanical key ..................... 125
Power switch ........................ 229
Replacing the battery............ 428
Warning buzzer .................... 149
Wireless remote control key...................................... 124
Knee airbags .............................. 41
I
J
K
*: Refer to “Navigation and Multimedia System Owner’s Manual”

597Alphabetical index
HIGHLANDER_HV_U (OM48D74U)
Multi-information display (with color display) ............... 111
Audio system-linked.............. 111
Driving information ................ 113
Dynamic radar cruise control................................. 269
Energy monitor ..................... 117
LDA (Lane Departure Alert)........ 284
Navigation system-linked ...... 111
Settings display..................... 114
Switching the display ............ 112
Warning message ................. 466
Multi-information display
(with monochrome display) Driving information ................ 107
Settings display..................... 109
Warning message ................. 466
Navigation system
*
Noise from under vehicle............ 8
Odometer.................................. 103
Oil Engine oil .............................. 532
Opener Back door.............................. 135
Fuel filler door ....................... 261
Glass hatch ........................... 144
Hood ..................................... 396
Outer foot lights....................... 339
Outside rear view mirrors ....... 177
Adjusting and folding ............ 177
BSM (Blind spot monitor) ...... 304
Mirror position memory ......... 165
Outside rear view mirror defoggers ........................... 328 Outside temperature
display.................................... 353
Overheating, Hybrid system... 521
Panoramic moon roof ............. 187 Jam protection function ........ 189
Operation .............................. 187
Parking assist sensors (intuitive parking assist)
*
Parking brake........................... 243 Operation .............................. 243
Parking brake engaged warning buzzer ................... 472
Parking brake engaged warning message ............... 472
Parking lights........................... 244
Light switch ........................... 244
Replacing light bulbs ............ 434
Wattage ................................ 539
PCS (Pre-Collision System).......... 297 Function ................................ 297
PCS OFF switch ................... 298
Warning light......................... 458
Personal lights......................... 340 Wattage ................................ 539
Power back door ..................... 134
Power control unit ..................... 85
Power control unit coolant ..... 403 Capacity................................ 534
Checking............................... 403
Preparing and checking before winter ...................... 316
Power outlets ........................... 354
Power steering (Electric power steering) ...... 292 Warning light......................... 458
Power switch ........................... 229
N
O
P
*: Refer to “Navigation and Multimedia System Owner’s Manual”