2023 TOYOTA COROLLA CROSS HYBRID engine overheat

4387-2. Steps to take in an emergency
If the engine coolant tempera-
ture gauge enters the red
zone or “Engine Coolant
Temp High Stop in a Safe
Place See Owner’s Manual”
is shown on the multi-informa-
tion display
1 Stop the vehicle in a safe
place and turn off the air con-
ditioning system, and then
stop the hybrid system.
2 If you see steam: Carefully lift
the hood after the steam sub- sides.
If you do not see steam:
Carefully lift the hood.
3 After the hybrid system has
cooled down, inspect the
hoses and radiator core (radi-
ator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
4The coolant level is satisfac-
tory if it is between the “MAX”
and “MIN” lines on the reser-
voir.
Reservoir
“MAX” line
“MIN” line
5 Add coolant if necessary.
If your vehicle over-
heats
The following may indicate
that your vehicle is over-
heating.
The engine coolant tem-
perature gauge ( P.84, 87)
is in the red zone or a loss
of hybrid system power is
experienced. (For example,
the vehicle speed does not
increase.)
 “Engine Coolant Temp High
Stop in a Safe Place See
Owner’s Manual” or “Hybrid
system overheated Output
power reduced” is shown on
the multi-information dis-
play.
 Steam comes out from
under the hood.
Correction procedures

490Alphabetical Index
Preparing and checking before
winter.................................. 291
Battery (traction battery) ......... 71
Blind Spot Monitor (BSM) ...... 252
Bottle holders ......................... 311
Brake Brake hold ............................ 189
Fluid ............................. 354, 449
Parking brake ....................... 186
Regenerative braking ............. 69
Warning light ........................ 402
Brake assist ............................ 284
Break-in tips ........ ................... 154
Brightness control Instrument panel light control86, 89
BSM (Blind Spot Monitor) ...... 252
C
Care Exterior ................................. 334
Interior .................................. 337
Seat belts ............................. 337
Wheels and wheel ornaments........................................... 334
Cargo capacity ....................... 163
Cargo hooks ........................... 313
Child restraint system Fixed with a LATCH system ... 56
Fixed with a seat belt ............. 52
Front passenger occupant clas-sification system ................... 37
Points to remember ................ 43
Riding with children ................ 42
Types of child restraint system installation met hod ............... 45
Using an anchor bracket ........ 61
Child safety 12-volt battery precautions . 357, 437
Airbag precautions ................. 32
Back door precautions ......... 119 Child restraint system .............45
Heated steering wheel and seat
heater precautio ns..............306
How your child should wear the seat belt ................................26
Moon roof precautions..........147
Power window lock switch ....145
Power window precautions...144
Rear door child-protectors .... 118
Removed electronic key battery precautions .........................383
Seat belt extender precautions .............................................26
Seat belt precautions..............42
Child-protectors...................... 118
Cleaning Exterior .................................334
Interior ..................................337
Seat belts .............................337
Wheels and wheel ornaments...........................................334
Clock ................... .....84, 86, 87, 90
Coat hooks ..............................325
Condenser ............. ..................353
Console box ............................312
Cooling system .......................352 Engine overheating ..............438
Hybrid system overheating ...439
Cruise control .........................246
Cup holders............................. 311
Current fuel consumption..92, 99
Curtain shield airbags ..............29
Customizable featu res ...........463
D
Daytime running light system192
Daytime running lights/parking
lightsReplacing light bulbs ............388
Defogger Outside rear view mirrors .....301
Rear window.........................301

492Alphabetical Index
If you have a flat tire ............. 417
If you lose your keys ............ 429
If you think something is wrong........................................... 401
If your vehicle becomes stuck ........................................... 441
If your vehicle has to be stopped in an emergency................. 395
If your vehicle needs to be towed ........................................... 397
If your vehicle overheats ...... 438
Energy monitor ....................... 105
Engine ACCESSORY mode ............. 177
Compartment ....................... 350
Engine switch ....................... 174
Hood..................................... 348
How to start the hybrid system........................................... 174
Identification number ............ 445
If the hybrid sy stem will not start
........................................... 428
If your vehicle has to be stopped in an emergency................. 395
Ignition switch (power switch) ........................................... 174
Overheating.......................... 438
Power switch ........................ 174
Tachometer ...................... 84, 87
Engine coolant Capacity ............................... 447
Checking .............................. 352
Engine coolant temperature gauge................................. 84, 87
Engine oil Capacity ............................... 446
Checking .............................. 350
Preparing and c hecking before
winter.................................. 291
Warning light ........................ 403
Engine switch (power switch)174
Enhanced VSC ........................ 285 EPS (Electric Po
wer Steering)
...............................................285 Warning light.........................405
EV drive mode.........................179
EV Driving Ratio ...............94, 101
EV indicator...............................69
EV Ratio .............................94, 101
Event data recorder (EDR) .........8
F
Flat tire Tire pressure w arning system
...........................................360
Vehicles with an emergency tire puncture repair ki t...............417
Floor mats .................................22
Fluid Brake ....................................449
Hybrid transmission ..............448
Washer .................................355
Fog lights ................................198 Replacing light bulbs ............388
Switch ...................................198
Front passenger occupant clas- sification system ....................37
Front seats Adjustment ...........................134
Cleaning ...............................337
Correct driving posture ...........23
Head restraints .....................137
Seat heaters ....... ..................306
Front side marker lights Light switch...........................192
Replacing light bulbs ....387, 388
Wattage ................................450
Front turn signal lights Replacing light bulbs ....387, 388
Turn signal lever ...................185
Wattage ................................450
Fuel Capacity ...............................445
Fuel gauge .......................84, 87

493Alphabetical Index
Information ........................... 451
Refueling .............................. 202
Type ..................................... 445
Warning light ........................ 405
Fuel consumption Average fuel economy ..... 92, 99
Current fuel consumption . 92, 99
Fuel economy ......... ............ 92, 99
Fuel filler door If the fuel filler door cannot be opened ............................... 430
Refueling .............................. 202
Fuel gauge .......................... 84, 87
Fuses ....................................... 384
G
Garage door opener ............... 326
Gauges ................................ 84, 87
Glove box ................................ 311
Glove box light ....................... 311
H
Head restraints ....................... 137
Headlight aim .......................... 386
Headlights Adaptive Front-lighting System (AFS) .................................. 194
Automatic High Beam system ........................................... 195
Light switch .......................... 192
Replacing light bulbs ............ 388
Headlights/daytime running lightsReplacing light bulbs ............ 388
Heated steering wheel ........... 306
Heaters Automatic air conditioning sys-tem ..................................... 298
Heated steering wheel ......... 306
Outside rear view mirrors ..... 301
Seat heaters ......................... 306 High mounted stoplight
Replacing light bulbs ............388
High-voltage components .......71
Hill-start assist control...........285
Hood Open.....................................348
Hooks Coat hooks ...........................325
Retaining hooks (floor mat) ....22
Horn .........................................139
Hybrid battery (traction battery) Location ..................................71
Specification .........................446
Warning message...................75
Hybrid battery (traction battery) air intake vent .......................379
Hybrid battery (traction battery) air vents ...................................74
Hybrid system .... .......................68
Acoustic Vehicle Alerting System .............................................70
Emergency shut off system ....74
Energy monitor/consumption screen.................................105
EV drive mode ......................179
High voltage components .......71
Hybrid system precautions .....71
If the hybrid sys tem will not start
...........................................428
Overheating ..........................439
Power (ignition) switch .........174
Regenerative braking .............69
Starting the hybrid system ....174
Hybrid System Indicator ..........93
Hybrid transmissio n ...............181
Paddle shift switches ............183
Hybrid vehicle dri ving tips.....289
I
I/M test .....................................344
Identification
Engine ..................................445

496Alphabetical Index
O
Odometer ............................ 85, 89
Odometer and trip meter displayDisplay change button...... 85, 89
Display items .................... 86, 89
Oil Engine oil ............................. 446
Rear differential oil ............... 448
Open tray ................................ 312
Opener Back door ..................... 122, 123
Fuel filler door ...................... 202
Hood..................................... 348
Outside rear view mirrors Adjustment ........................... 142
BSM (Blind Spot Monitor)..... 252
Folding ................................. 142
Outside rear view mirror defog-gers .................................... 301
RCTA function ...................... 257
Safe Exit Assist .................... 263
Outside temperature .......... 84, 87
Overheating ............................ 438
P
Paddle shift switches ............. 183
Panic mode ............................. 114
Parking assist sensors (intuitive parking assist) ...................... 268
Parking brake Operation ............................. 186
Parking brake engaged warning buzzer ................................ 188
Warning light ........................ 408
Warning message ................ 188
Parking lights Light switch .......................... 192
Replacing light bulbs ............ 387
Wattage ................................ 450 Parking Support Brake function
(for rear-crossing vehicles) .281Function................................281
Parking Support Brake function (static objects) ......................279Function................................279
PCS (Pre-Collision System) Function................................213
Warning light.........................407
Personal lights ........................308
PKSB (Parking Support Brake) ...............................................274
Power control unit ....................71
Power control unit coolant Checking ..............................352
Preparing and checking before winter ..................................291
Power outlet ............................316
Power steering (Electric power steering system) ...................285Warning light.........................405
Power switch...........................174 Changing the power switch modes.................................177
Power windows Door lock linked window opera-tion......................................144
Jam protection function ........143
Operation..............................143
Window lock switch ..............145
Pre-Collision System (PCS) Function................................213
Warning light.........................407
R
Radiator ...................................353
RCTAFunction................................257
RCTA function .........................258
Rear Cross Traffic Alert (RCTA) ...............................................257

500Alphabetical Index
V
Vanity lights ............................ 324
Vanity mirrors ......................... 324
Vehicle data recording ............... 6
Vehicle identification number444
Vehicle information display ... 95, 102
Vehicle Stability Control (VSC) ............................................... 284
VSC (Vehicle Stability Control) ............................................... 284
W
Warning buzzers ABS ...................................... 404
Airbags ................................. 404
Approach warning ................ 241
Brake hold ............................ 409
Brake Override System ........ 404
Brake system ....................... 402
Charging system .................. 403
Downshifting......................... 184
Drive-Start Control ............... 404
Electric power steering ......... 405
Engine .................................. 403
High coolant temperature ..... 402
Hybrid system overheat ....... 403
Intuitive parking assist OFF indi-cator ................................... 407
LDA (Lane Departure Alert) 228, 407
Low engine oil pressure ....... 403
LTA (Lane Tracing Assist) ... 223, 406
Open door .................... 116, 118
Seat belt ....................... 405, 406
Warning label ............................ 71
Warning lights ........................ 402 ABS ...................................... 404
Brake hold operated indicator........................................... 409 Brake Override System ........404
Brake system ........................402
Charging system ..................403
Cruise control indicator.........407
Drive-Start Control
................404
Driving assist information indica- tor .......................................408
Dynamic radar cruise control indicator ..............................407
Electric power steering .........405
High coolant temperature .....402
Hybrid system overheat ........403
Intuitive parking assist OFF indi- cator ...................................407
LDA indicator ........................407
Low engine oil pressure .......403
Low fuel level........................405
LTA indicator .........................406
Malfunction indica tor lamp ....403
Parking brake indicator.........408
Pre-collision syst em .............407
Seat belt reminder light 405, 406
Slip indicator .........................408
SRS ......................................404
Tire pressure ...... ..................406
Warning messages .................412
Washer Checking ..............................355
Preparing and checking before winter ..................................291
Switch ...................................198
Washing and waxing ..............334
Weight Cargo capacity .....................163
Load limits ............................163
Wheels Replacing .............................376
Replacing wheels .................370
Size ......................................449
Window lock switch ...............145
Windows Power windows ....................143