2020 TOYOTA HILUX engine overheat

2904-2. Driving procedures
HILUX_OM_OM0K321E_(EE)
■ Steering lock
After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
engine switch again automatically cancels the steering lock.
■ When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from running the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ If “SMART ENTRY & START SYSTEM MALFUNCTION SEE OWNER’S
MANUAL”/“Smart Entry & Start System malfunction See owner’s man-
ual” is shown on the multi-information display (if equipped)
The system may be malfunctioning. Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer
immediately.
■ If the electronic key battery is depleted
 P. 599
■ If the smart entry & start system has been deactivated in a customized
setting
 P. 668
A message will be displayed on the multi-
information display.
Check that the shift lever is set in P
(except manual transmission). Press the
engine switch while turning the steering
wheel left and right.

4314-5. Using the driving support systems
4
Driving
HILUX_OM_OM0K321E_(EE)
■Operating tips (vehicles with automatic transmission)
The system will operate when the shift lever is in a position other than P, how-
ever to make effective use of the system it is recommended to select a lower
shift range.
■ The system will not operate when
● The transfer mode is in H2.
● The rear differential is locked. (if equipped)
■ If the downhill assist control system indicator flashes
● In the following situations, the indicator flashes and the system will not oper-
ate:
• The transfer mode is not in L4 or H4.
• The rear differential is locked. (if equipped)
• The shift lever is in P. (vehicles with automatic transmission)
• The accelerator or brake pedal is depressed.
• The vehicle speed exceeds approximately 30 km/h (18 mph).
• The brake system overheats.
● In the following situations, the indicator flashes to alert the driver, but the
system will operate:
• The shift lever is in N. (vehicles with automatic transmission)
• The clutch pedal is depressed. (vehicles with manual transmission)
• The “DAC” switch is turned off while the system is operating.
The system will gradually ceases operat ion. The indicator will flash during
operation, and then go off when the system is fully off.
■ When the downhill assist control system is operated continuously
This may cause the brake actuator to overheat. In this case, the downhill
assist control system will stop operating, a buzzer will sound and the downhill
assist control system indicator will start flashing, and “TRC turned off” is
shown on the multi-information display. Refrain from using the system until
the downhill assist control system indicator stays on and “TRC turned off” dis-
played on the multi-information display goes out. (The vehicle can be driven
normally during this time.)
■ Sounds and vibrations caused by the downhill assist control system
● A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound does not indicate
that a malfunction has occurred in downhill assist control system.
● Either of the following conditions may occur when the downhill assist control
system is operating. None of these are indicators that a malfunction has
occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.

5356-1. Using the air conditioning system and defogger
HILUX_OM_OM0K321E_(EE)
6
Interior features
Heated steering wheel/seat heaters
: If equipped
Heated steering wheel and seat heaters heat the side grips of the
steering wheel and seats, respectively.
WARNING
● Care should be taken to prevent injury if anyone in the following categories
comes in contact with the steering wheel and seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping
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 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 battery discharge, do not use the functions when the engine is
not running.

623
8When trouble arises
HILUX_OM_OM0K321E_(EE)
8-1. Essential information
Emergency flashers ........... 624
If your vehicle has to
be stopped in an
emergency ....................... 625
8-2. Steps to take in an
emergency
If your vehicle needs
to be towed ...................... 627
If you think something is
wrong ............................... 632
Fuel pump shut off
system (gasoline engine
only) ................................. 633
If a warning light turns on
or a warning buzzer
sounds ............................. 634
If a warning message is
displayed ......................... 643
If you have a flat tire .......... 649
If the engine will not
start.................................. 666
If the electronic key does
not operate properly
(vehicles with smart
entry & start system)........ 668
If the vehicle battery is
discharged ....................... 672
If your vehicle
overheats ......................... 678
If you run out of fuel
and the engine stalls
(diesel engine only) ......... 682
If the vehicle becomes
stuck ................................ 683

6788-2. Steps to take in an emergency
HILUX_OM_OM0K321E_(EE)
If your vehicle overheats
●The needle of the engine coolant temperature gauge (P. 142)
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.
Stop the vehicle in a safe place and turn off the air conditioning sys-
tem, 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 fan
If a large amount of coolant
leaks, immediately contact any
authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
The following may indicate that your vehicle is overheating.
Correction procedures
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2
3
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2

6828-2. Steps to take in an emergency
HILUX_OM_OM0K321E_(EE)
If you run out of fuel and the engine stalls
(diesel engine only)
If you run out of fuel and the engine stalls:
Refuel your vehicle.
To bleed the fuel system, oper-
ate the priming pump until you
feel more resistance.
Start the engine. ( P. 282, 285)
If the engine does not start after the above steps have been performed,
wait for 10 seconds and try steps and again. If the engine still does
not start, contact any authorized Toyo ta retailer or Toyota authorized
repairer, or any reliable repairer.
After starting the engine, depress the accelerator pedal lightly until the
engine runs smoothly.
1
2
NOTICE
■ When restarting the engine
● Do not crank the engine before refueling and operating the priming pump.
This may damage the engine and fuel system.
● Do not crank the engine for more than 30 seconds at a time. This may
overheat the starter and wiring system.
3
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734Alphabetical index
HILUX_OM_OM0K321E_(EE)
Child safety ................................ 66
Airbag precautions .................. 49
Battery precautions ....... 581, 676
Child restraint system ............. 67
How your child should
wear the seat belt ................. 44
Installing child restraints.... 92, 95
Power window lock
switch.................................. 249
Power window precautions ... 251
Rear door child-protectors .... 191
Removed key battery
precautions ......................... 601
Seat belt precautions .............. 46
Seat heater precautions ........ 535
Child-protectors ....................... 191
Cleaning............................ 556, 560
Aluminum wheels .................. 557
Exterior.................................. 556
Interior ................................... 560
Seat belts .............................. 561
Clock ......................................... 549
Clutch........................................ 709
Coat hooks ............................... 553
Condenser ................................ 577
Console box ............................. 541
Cooling system
Engine overheating ............... 678
Cruise control
Cruise control ........................ 383
Dynamic radar cruise
control................................. 367
Cup holders .............................. 542
Curtain shield airbags ............... 47
DAC ........................................... 430
Daytime running light
system .................................... 312
Deck hooks .............................. 547
Defogger
Outside rear view
mirrors ........................ 519, 528
Rear window ................. 519, 528
Windshield .................... 519, 528
Differential
Oil ......................................... 709
Dimension ................................ 686
Display
Cruise control........................ 383
Dynamic radar cruise
control................................. 367
LDA (Lane Departure
Alert with Yaw Assist
Function) ............................ 362
Multi-information
display ........................ 147, 151
Trip information ............. 148, 153
Do-it-yourself maintenance .... 566
Doors
Door glasses ......................... 248
Door lock............................... 188
Open door warning light........ 638
Outside rear view mirrors...... 245
Rear door child-protectors .... 191
Side doors............................. 188
Downhill assist control
system .................................... 430
DPF (Diesel Particulate Filter)
system .................................... 433
Warning light ......................... 637
Warning message ................. 646
Driver’s seat belt
reminder light ........................ 638
D

735Alphabetical index
HILUX_OM_OM0K321E_(EE)
Driving
Break-in tips .......................... 257
Correct posture ....................... 40
Procedures............................ 254
Winter drive tips .................... 438
Dynamic radar cruise
control .................................... 367
Function ................................ 367
Warning message ................. 643
Eco Driving Indicator....... 138, 140
Emergency flashers................. 624
Electronic key
If the electronic key does
not operate properly ........... 668
Replacing the battery ............ 599
Emergency, in case of
If a warning buzzer
sounds ................................ 634
If a warning light turns on ...... 634
If the electronic key does
not operate properly ........... 668
If the engine will not start ...... 666
If the vehicle battery is
discharged .......................... 672
If you have a flat tire.............. 649
If you lose your keys ............. 168
If you run out of fuel and
the engine stalls.................. 682
If you think something is
wrong .................................. 632
If your vehicle becomes
stuck ................................... 683
If your vehicle has to be
stopped in an
emergency.......................... 625
If your vehicle needs to be
towed .................................. 627
If your vehicle overheats ....... 678
Engine
“ACC” position ...................... 283
Compartment ........................ 570
Engine switch................ 282, 285
Hood ..................................... 568
How to start the
engine......................... 282, 285
Identification number ............ 693
If the engine will not start ...... 666
If you run out of fuel and the
engine stalls ....................... 682
If your vehicle has to be
stopped in an
emergency.......................... 625
Ignition switch
(engine switch) ........... 282, 285
Overheating .......................... 678
Engine coolant
Capacity ................................ 706
Checking ............................... 576
Preparing and checking
before winter....................... 438
Engine coolant
temperature gauge ................ 144
Engine immobilizer system .... 105
Engine oil
Capacity ................................ 696
Checking ............................... 573
Oil level warning light ............ 639
Oil pressure warning light ..... 634
Preparing and checking
before winter....................... 438
Engine oil maintenance
data ......................................... 575
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