2023 TOYOTA HIGHLANDER HYBRID heater

4607-2. Steps to take in an emergency
Check the engine oil and change it if
necessary. After changing the
engine oil, make sure to reset the
message. (P.398)
■If “Oil Maintenance Required” is
displayed
Indicates that the engine oil should
be changed.
Check and change the engine oil,
and oil filter by your Toyota dealer.
After changing the engine oil, make
sure to reset the message.
(  P.398)
■If a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the
multi-information display is malfunc-
tioning. Have the vehicle inspected
by your Toyota dealer immediately.
■If a message that indicates the
need for referring to Owner’s
Manual is displayed
●If any of the following messages
are shown on the multi-informa-
tion display, it may indicate a mal-
function. Immediat ely stop the
vehicle and contact your Toyota
dealer.
• “Braking Power Low Stop in a Safe Place See Owner's Manual”
• “Oil Pressure Low Stop in a Safe
Place See Owner's Manual”
• “Charging System Malfunction Stop in a Safe Place See Owner's
Manual”
• “Stop in a Safe Place See Owner's Manual”
• “Shift to P See Owner's Manual”
●If any of the following messages
are shown on the multi-informa-
tion display, the vehicle may have
run out of fuel. Stop the vehicle in
a safe place and, if the fuel level is
low, refuel the vehicle.
• “Hybrid System Stopped”
• “Engine Stopped”
●If any of the following messages
are shown on the multi-informa-
tion display, it may indicate a mal- function. Have the vehicle
inspected by your Toyota dealer
immediately.
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunc- tion”
• “Accelerator System Malfunction”
• “Smart Key System Malfunction See Owner's Manual”
●If any of the following messages
are shown on the multi-informa-
tion display, follow the instruc-
tions.
• “Engine Coolant Temp High Stop in a Safe Place See Owner's Man-
ual” ( P.484)
●If “Maintenance Required for Trac-
tion Battery Cooling Parts See
Owner's Manual” is shown, the fil-
ters may be clogged, the air intake
vents may be blocked, or there
may be a gap in the duct. There-
fore, perform the following correc-
tion procedure.
• Cleaning the hybrid battery (trac- tion battery) air intake vents
( P.420)
If the warning message is shown
even if the vents ar e cleaned, have
the vehicle inspected by your Toyota
dealer.
NOTICE
■If “High Power Consumption
Partial Limit on AC/Heater
Operation” is displayed fre-
quently
There is a possible malfunction
relating to the charging system or
the 12-volt battery may be deteri-
orating. Have the vehicle
inspected by you r Toyota dealer.

5048-1. Specifications
Grade C corresponds to a level of
performance which all passenger
car tires must meet under the Fed-
eral Motor Vehicle Safety Standard
No. 109.
Grades B and A represent higher
levels of performance on the labo-
ratory test wheel than the minimum
required by law. Warning: The temperature grades
of a tire assume tha
t it is properly
inflated and not overloaded.
Excessive speed, underinflation, or
excessive loading, either sepa-
rately or in combination, can cause
heat buildup and possible tire fail-
ure.
Glossary of tire terminology
Tire related termMeaning
Cold tire infl ation pressure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km
under that condition
Maximum inflation pressure
The maximum cold inf lated pressure to
which a tire may be inflated, shown on the
sidewall of the tire
Recommended inflation pres-
sureCold tire inflation pressure recommended
by a manufacturer
Accessory weight
The combined weight (in excess of those
standard items which may be replaced) of
hybrid transmission, power steering,
power brakes, power windows, power
seats, radio and heater, to the extent that
these items are available as fac-
tory-installed equipment (whether installed
or not)
Curb weight
The weight of a motor vehicle with stan-
dard equipment, including the maximum
capacity of fuel, oil and coolant, and if so
equipped, air conditioning and additional
weight optional engine

542Alphabetical Index
Back-up lightsReplacing light bulbs ............ 428
Battery (12-volt battery) Battery checking................... 402
If the 12-volt battery is dis-charged .............................. 479
Preparing and c hecking before
winter.................................. 320
Replacing ............................. 482
Warning light ........................ 446
Battery (traction battery) ......... 73
Blind Spot Monitor (BSM) ...... 278
Brake Brake hold ............................ 220
Fluid ............................. 400, 495
Parking brake ....................... 217
Regenerative braking ............. 70
Warning light ........................ 445
Brake assist ............................ 311
Break-in tips ........ ................... 185
Brightness control Instrument panel light control89, 96
BSM (Blind Spot Monitor) ...... 278
Buzzer Hands off steering wheel warn-ing (LTA) ............................. 262
C
Care Exterior ................................. 380
Interior .................................. 383
Seat belts ............................. 383
Wheels and wheel ornaments........................................... 380
Cargo capacity ....................... 194
Cargo net hooks .. ................... 350
Chains ..................................... 321
Child restraint system Fixed with a LATCH system ... 60
Fixed with a seat belt ............. 55 Front passenger occupant clas-
sification system ...................43
Points to remember ................50
Riding with children ................49
Types of child restraint system installation method ...............52
Using an anchor bracket ........62
Child safety 12-volt battery precautions .403, 483
Airbag precautions .................39
Back door precautions..........131
Child restraint system .............52
Heated steering wheel and seat heater precautio ns..............341
How your child should wear the seat belt ................................28
Moon roof precautions..........177
Panoramic moon roof precau- tions ....................................181
Power window lock switch ....175
Power window precautions...174
Rear door child-protectors ....130
Seat belt extender precautions .............................................29
Seat belt precautions..............49
Child-protectors......................130
Cleaning Exterior .................................380
Interior ..................................383
Radar sensor ........................238
Seat belts .............................383
Wheels and wheel ornaments...........................................380
Clock ................... .....87, 90, 91, 96
Coat hooks ..............................363
Condenser ............. ..................400
Console box ............................347
Conversation mirror ...............369
Cooling system .......................399 Engine overheating ..............484
Hybrid system overheating ...486

545Alphabetical Index
F
Flat tireTire pressure warning system........................................... 407
Vehicles with a spare tire ..... 461
Floor mats ................................. 24
Fluid Brake .................................... 495
Hybrid transmission.............. 494
Washer ................................. 401
Fog lights Switch................................... 229
Footwell light .................... ...... 343
Front passenger occupant clas- sification system .................... 43
Front seats Adjustment ........................... 147
Cleaning ............................... 383
Correct driving posture ........... 25
Driving position memory....... 153
Head restraints ..................... 156
Memory recall function ......... 155
Seat heaters ......................... 341
Seat position memory .......... 153
Seat ventilators .................... 341
Front side marker light Light switch .......................... 223
Front side marker lights Replacing light bulbs ............ 428
Front turn signal lights Replacing light bulbs ............ 428
Turn signal lever ................... 216
Fuel Capacity ............................... 491
Fuel gauge ....................... 87, 91
Information ........................... 498
Refueling .............................. 234
Type ..................................... 491
Warning light ........................ 448
Fuel consumption Average fuel economy ... 97, 109 Current fuel consumption97, 109
Fuel economy ...................97, 109
Fuel filler door If the fuel filler door cannot be opened ...............................476
Refueling ..............................234
Fuel gauge...........................87, 91
Fuses .......................................425
G
Garage door opene r ...............370
Gauges ................................87, 91
Glove box ................................347
Glove box light........................347
H
Head restraints .......................156
Headlight aim ..........................427
Headlights Adaptive Front-lighting System (AFS) ..................................225
Automatic High Beam system ...........................................226
Light switch...........................223
Replacing light bulbs ............428
Head-up display ...................... 114 Driving information display area........................................... 114
Hybrid System Indicator ....... 117
Navigation system-linked display ........................................... 117
Settings ................................ 116
Heated steering wheel............341
Heaters Automatic air conditioning sys-tem .....................................328
Heated steering wheel..........341
Outside rear view mirrors .....330
Rear automatic air conditioning system ................................337
Seat heaters ....... ..................341

549Alphabetical Index
Parking lightsLight switch .......................... 223
Replacing light bulbs ............ 428
Parking Support Brake function (for rear-crossing vehicles) . 307Function ............................... 307
Parking Support Brake function (static objects) ...................... 304Function ............................... 304
PCS (Pre-Collision System) Function ............................... 242
PCS OFF switch................... 245
Warning light ........................ 451
Personal lights ....................... 343
PKSB (Parking Support Brake) ............................................... 297Warning message ................ 303
Power control unit .................... 73
Power control unit coolant Capacity ............................... 493
Checking .............................. 399
Preparing and c hecking before
winter.................................. 320
Power outlets .................. 363, 364
Power steering (Electric power steering system)................... 312Warning light ........................ 448
Power switch .......................... 207 Auto power off function ........ 210
Changing the power switch modes ................................ 209
Power switch ( engine switch)
If your vehicle has to be stopped in an emergency................. 438
Power windows Door lock linked window opera-tion ..................................... 174
Jam protection function ........ 173
Operation ............................. 173
Window lock switch .............. 175
Pre-Collision System (PCS) Function ............................... 242 PCS OFF switch ...................245
Warning light.........................451
Predictive deceleration support .................................................72
Predictive SOC control ............72
R
Radar cruise control (dynamic radar cruise control with
full-speed range)...................263
Radiator ...................................400
RCTA Function................................291
Warning message.................292
RCTA function .........................292
Rear automatic air conditioning system ...................................337
Rear Cross Traffic Alert (RCTA) ...............................................291
Rear door sunshades .............369
Rear seats ...............................148 Head restraints .....................156
Seat heaters ....... ..................341
Rear side marker lights Light switch...........................223
Replacing light bulbs ............428
Rear turn signal lights Replacing light bulbs ............428
Turn signal lever ...................216
Rear view mirror Digital Rearview Mirror .........161
Inside rear view mirror ..........160
Outside rear view mirrors .....171
Rear window defogger ...........330
Refueling Capacity ...............................491
Fuel types .............................491
If the fuel filler door cannot be opened ...............................476
Opening the fuel tank cap ....234
Regenerative braking ...............70

550Alphabetical Index
ReplacingElectronic key battery ........... 423
Fuses ................................... 425
Light bulbs ............................ 428
Tires ..................................... 461
Reporting safety defects for U.S. owners................................... 526
Resetting the message indicat- ing maintenance is required 387
Road Sign Assist .................... 275
RSA (Road Sign Assist) ......... 275
S
Safety Connect ......................... 65
Seat belt reminder light . 448, 449
Seat belts .................................. 27 Automatic Locking Retractor .. 28
Child restraint system installation............................................. 52
Cleaning and maintaining the seat belt.............................. 383
Emergency Locking Retractor 28
How to wear your seat belt..... 28
How your child should wear the seat belt................................ 28
Pregnant women, proper seat belt use................................. 27
Reminder light and buzzer . 448, 449
Seat belt extender .................. 28
Seat belt pretensioners .......... 32
SRS warning light................. 447
Seat heaters ............................ 341
Seat position memory ............ 153
Seat ventilators ...................... 341
Seating capacity ..................... 194
Seats Adjustment ........................... 147
Adjustment precautions........ 147
Child seats/child restraint system installation ............................ 50
Cleaning ............................... 383 Driving position memory .......153
Head restraints .....................156
Properly sitting in the seat ......25
Seat heaters .......
..................341
Seat position memory...........153
Seat ventilators.....................341
Sensor Automatic headlight system .224
Automatic High Beam system...........................................226
Digital Rearview Mirror .........165
Inside rear view mirror ..........161
Intuitive parking assist ..........283
LTA (Lane Tracing Assist) .....253
Parking Support Brake function (rear-crossing vehicles) ......307
Parking Support Brake function (static objects) ....................305
Radar sensor ................237, 279
Rain-sensing windshield wipers ...........................................231
RCTA ....................................292
Service plug ..............................73
Service reminder message ....387
Shift lever Hybrid transmission ..............213
If th e s hif t le ver ca n no t b e s hif te d from P .................................214
Shift lever light........................343
Shift lock system ....................214
Shopping bag hooks ..............351
Side airbags ..............................34
Side doors Door lock ..............................127
Side marker lights Light switch...........................223
Replacing light bulbs ............428
Side mirrors Adjustment ...........................171
BSM (Blind Sport Monitor) ....278
Folding..................................172
Heaters .................................330

551Alphabetical Index
Linked mirror function when reversing ............................ 171
Mirror position memory ........ 153
RCTA function ...................... 291
Side turn signal lights Replacing light bulbs ............ 428
Turn signal lever ................... 216
Side windows ...... ................... 173
Smart key system Antenna location .................. 142
Entry functions ............. 127, 132
Starting the hybrid system.... 207
Snow tires ............................... 320
Spare tire ................................. 461 Storage location ................... 462
Spark plug ............................... 494
Specifications ......................... 490
Speedometer ...................... 87, 91
Sport mode ............................. 308
Steering wheel Adjustment ........................... 159
Heated steering wheel ......... 341
Meter control switches ... 97, 107
Stop lights Replacing light bulbs ............ 428
Storage features ..................... 346
Stuck If the vehicle becomes stuck 488
Suggestion function....... 105, 112
Sun visors ............................... 368
Sunshade Roof...................................... 176
Switches Activating the Automatic High Beam .................................. 226
Automatic High Beam system ........................................... 226
Brake Hold switch ................ 220
Digital Rearview Mirror control switches ............................. 161
Door lock switches ............... 130
Driving mode select switch... 308 Driving position memory
switches..............................153
Dynamic radar cruise control with full-speed range switch264
Electronic roof sunshade switches..............................179
Emergency flashers switch...438
EV drive mode switch ........... 211
Fog light switch .....................229
Garage door opener switches ...........................................370
Heated steering wheel switch ...........................................341
Ignition switch .......................207
Instrument panel light control switches..........................89, 96
Intuitive parking assist switch284
Light switches .......................223
LTA (Lane Tracing Assist) switch ...........................................259
Meter control switches....97, 107
Moon roof switches ..............176
“ODO TRIP” switch .................89
“ODO” switch ..........................95
Outside rear v iew mirror
switches..............................171
Panoramic moon roof switches ...........................................179
Parking brake switch ............217
PCS OFF switch ...................245
PKSB (Parking Support Brake) switch .................................299
Power door lock switch.........130
Power switch ........................207
Power window switches .......173
RCTA switch .........................292
Rear window and outside rear view mirror defoggers switch...........................................330
Seat heater switches ............341
Seat ventilator switches........341
“SOS” button ..........................65