coolant temperature TOYOTA HILUX 2021 Owners Manual (in English)

1312. Instrument cluster
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Instrument cluster
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Tachometer
Displays the engine speed in revolutions per minute.
Outside temperature
Displays the outside temperature. The temperature range that can be dis-
played is from -40 C (-40F) to 50C (122F). The low outside temperature
indicator comes on when the ambient temperature is approximately 3 C
(37 F) or lower, and goes off when approximately 5C (41F) or higher.
( P. 127)
Speedometer
Displays the vehicle speed.
Fuel gauge
Displays the quantity of fuel remaining in the tank.
Odometer/trip meter display change button
P. 132
Odometer and trip meter
Odometer:
Displays the total distance the vehicle has been driven.
Trip meter:
Displays the distance the vehicle has been driven since the meter was last
reset. Trip meters A and B can be used to record and display different dis-
tances independently.
Multi-information display
Presents the driver with a variety of driving-related data. ( P. 1 3 5 )
Shift position and shift range (automatic transmission)
Displays the selected shift position or selected shift range. (P. 231)
Engine coolant temperature gauge
Displays the engine coolant temperature.
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1342. Instrument cluster
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WARNING
QThe information display at low temperatures (vehicles with multi-infor-
mation display)
Allow the interior of the vehicle to warm up before using the liquid crystal
information display. At extremely low temperatures, the display monitor may
respond slowly, and display changes may be delayed.
For vehicles with automatic transmission: For example, there is a lag
between the driver’s shifting and the new gear number appearing on the
display. This lag could cause the driver to downshift again, causing rapid
and excessive engine braking and possibly an accident resulting in death or
injury.
NOTICE
Q To prevent damage to the engine and its components
O Do not let the indicator needle of the tachometer enter the red zone, which
indicates the maximum engine speed.
O The engine may be overheating if the engine coolant temperature gauge is
in the red zone (H). In this case, immediately stop the vehicle in a safe
place, and check the engine after it has cooled completely. ( P. 610)

2104-1. Before driving
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QImportant points regarding stability
Vehicle movement resulting from uneven road surfaces and strong
crosswinds will affect handling. The vehicle may also be rocked by
passing buses or large trucks. Frequently check behind when mov-
ing alongside such vehicles. As soon as such vehicle movement
occurs, immediately start to decelerate smoothly by slowly applying
the brakes. Always steer the vehicle straight ahead while braking.
QPassing other vehicles
Consider the total combined length of your vehicle and trailer and
ensure that the vehicle-to-vehicle distance is sufficient before exe-
cuting lane changes.
QTransmission information
Vehicles with manual transmission: To maintain engine braking effi-
ciency when using engine braking, do not use 5th gear and 6th
gear.
Vehicles with automatic transmission: To maintain engine braking
efficiency when using engine braking, do not use the transmission
in D. Transmission shift range position must be in 4 or lower, in S
mode.
QIf the engine overheats
Towing a loaded trailer up a long, steep incline in temperatures
exceeding 30 C (85F) may result in the engine overheating. If the
engine coolant temperature gauge indicates that the engine is over-
heating, turn the air conditioning off immediately, leave the road and
stop the vehicle in a safe place. ( P. 610)
QWhen parking the vehicle
Always place wheel chocks under the wheels of both the vehicle
and trailer. Firmly set the parking brake and shift the shift lever to P
for automatic transmissions, and 1 or R for manual transmissions.

3484-5. Using the driving support systems
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Q Operating conditions
O The Stop & Start system is operational when all of the following conditions
are met:
• The vehicle has been driven a certain amount of time.
• The brake pedal is being depressed firmly. (vehicles with automatic trans-
mission)
• The clutch pedal is not depressed. (vehicles with manual transmission)
• The D shift position is selected. (v ehicles with automatic transmission)
• The shift lever is in N. (vehicles with manual transmission)
• The driver’s seat belt is fastened.
• The driver’s door is closed.
• The selected driving mode is normal or Eco drive mode. (if equipped)
• The rear differential is not locked. (if equipped)
• is off. (vehicles without manual air conditioning system)
• The accelerator pedal is not being depressed. (vehicles with automatic
transmission)
• The engine is adequately warmed up.
• The outside temperature is -5°C (23°F) or higher.
• The hood is closed. ( P. 349)
O In the following situations, the engine may not be stopped by the Stop &
Start system. This is not a malfunction of the Stop & Start system.
• When the air conditioning system is being used.
• When the battery is undergoing a periodic recharge.
• When the battery is not sufficiently charged, such as if the vehicle has
been parked for a long time and the battery charge has decreased, the
electric load is large, the battery fluid temperature is excessively low or
the battery has deteriorated.
• When the brake booster vacuum is low.
• When the elapsed time since the engine was restarted is short.
• When the vehicle is stopped frequently, such as when in a traffic jam.
• When the engine coolant temperature or transmission fluid temperature
is extremely low or high.
• When the vehicle is stopped on a steep incline. (vehicles with automatic
transmission)
• When the steering wheel is being operated.
• When the vehicle is being driven in a high altitude area.
• When the battery fluid temperature is extremely low or high.
• For a while after the battery terminals have been disconnected and
reconnected.

3714-5. Using the driving support systems
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Driving
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OIf the DPF system warning message “DPF full See owner’s manual”
appears on the multi-information display, follow the procedure
below to regenerate.
When regenerating the filter during driving the vehicle
To regenerate the filter, the following driving methods are recom-
mended.*1
• By driving continuously (for example, at around 60 km/h [37 mph]
for 20 to 30 minutes).
• By avoiding short trips, or by driving continuously (leaving the
engine running for long periods of time).
Check the engine is warmed up before driving the vehicle to regenerate
the filter. If the engine is cold, warm up the engine by driving the vehicle
downshifting to increase the engine speed.*2
The warning message will disappear on the multi-information display when
regeneration is complete. However, depending on the driving condition
such as heavy traffic, the amount of accumulated deposit increases and
the warning message may not disappear on the multi-information display.
If the warning message does not disappear on the multi-information dis-
play after driving, press the DPF system switch to manually regenerate the
filter.
Regeneration during driving cannot be performed when the vehicle is
higher than 4000 m (13124 ft.) above sea level.
*1: When driving, pay sufficient attention to weather, road conditions, ter-
rain and traffic conditions, and drive according to traffic laws.
*2: Depending on the situation, it may be necessary to downshift until the
engine speed is increased to 3000 rpm. If the engine coolant tempera-
ture or exhaust gas temperature is low, it may take a long time to
regenerate, or regeneration may be impossible.
DPF system failure warning

3724-5. Using the driving support systems
HILUX_OM_OM0K513E_(EE)
When regenerating the filter by pressing the DPF system switch
Stop the vehicle in a safe place.
Shift the shift lever to P (automatic transmission) or N (manual
transmission), and firmly set the parking brake.
Do not stop the engine.
Also, make sure that there are no flammable materials near the exhaust
pipe. ( P. 369)
Check the engine is warmed up. If the engine is cold, warm up the engine
by depressing the accelerator pedal.*1
Press the DPF system switch.
The DPF system warning message
shown in the illustration appears
on the multi-information display,
and the idling engine speed will
increase.
Regeneration will take around 15 -
40 minutes to complete.*2
When the DPF system warning message disappears on the multi-
information display, the idling engine speed will have finished return-
ing to normal.
The DPF system switch may not operate when the vehicle is higher
than 4000 m (13123 ft.) above sea level.
*1: Depending on the situation, it may be necessary to depress the acceler-
ator pedal until the engine speed is increased to 3000 rpm. If the engine
coolant temperature or exhaust gas temperature is low, it may take a
long time to regenerate, or regeneration may be impossible.
*2: Time required for regeneration differs in accordance with the outside
temperature. Also, if the engine speed is still approximately 2000 rpm
10 minutes after pressing the DPF system switch, the exhaust gas tem-
perature may be low. In this case, depress the accelerator pedal to run
the engine at approximately 3000 rpm for a while.
When depressing the accelerator pedal, regeneration will be stopped. In
this case, restart regeneration.
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4807-2. Maintenance
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QWhere to go for maintenance service?
In order to maintain your vehicle in the best possible condition, Toyota recom-
mends that maintenance service operations as well as other inspections and
repairs be carried out by authorized Toyota retailers or Toyota authorized
repairers, or any reliable repairers. For repairs and services covered by your
warranty, please visit an authorized Toyota retailer or repairer, who will use
genuine Toyota parts in repairing any difficulties you may encounter. There
can also be advantages in utilizing authorized Toyota retailers or repairers for
non-warranty repairs and services, as members of the Toyota network will be
able to expertly assist you with any difficulties you may encounter.
Your Toyota retailer or Toyota authoriz ed repairer, or any reliable repairer will
perform all of the scheduled maintenance on your vehicle reliably and eco-
nomically due to their experience with Toyota vehicles.
Q Does your vehicle need repairs?
Be on the alert for changes in performance and sounds, and visual tip-offs
that indicate service is needed. Some important clues are:
O Engine missing, stumbling or pinging
O Appreciable loss of power
O Strange engine noises
O A fluid leak under the vehicle (However, water dripping from the air condi-
tioning system after use is normal.)
O Change in exhaust sound (This may indicate a dangerous carbon monoxide
leak. Drive with the windows open and have the exhaust system checked
immediately.)
O Flat-looking tires, excessive tire squeal when cornering, uneven tire wear
O Vehicle pulls to one side when driven straight on a level road
O Strange noises related to suspension movement
O Loss of brake effectiveness, spongy feeling brake pedal or clutch pedal,
pedal almost touches the floor, vehicle pulls to one side when braking
O Engine coolant temperature continually higher than normal
If you notice any of these clues, take your vehicle to any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as soon as pos-
sible. Your vehicle may need adjustment or repair.

4927-3. Do-it-yourself maintenance
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The coolant level is satisfactory if it is between the “F” and “L” lines on
the reservoir when the engine is cold.
QEngine coolant reservoir
If the level is on or below the “L” line, add coolant up to the “F” line.
( P. 610)
QIntercooler coolant reservoir (if equipped)
Reservoir cap
“F” line
“L” line
If the level is on or below the “L”
line, add coolant up to the “F”
line. ( P. 610)
QCoolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non- nitrite, and non-borate coolant with
long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50% deion-
ized water. (Minimum temperature: -35 C [-31F])
For more details about engine coolant, contact any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer.
Coolant
Gasoline engineDiesel engine
Reservoir cap
“F” line
“L” line1
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5648-2. Steps to take in an emergency
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If you think something is wrong
OFluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
O Flat-looking tires or uneven tire wear
O Engine coolant temperature gauge needle continually points higher
than normal.
O Changes in exhaust sound
O Excessive tire squeal when cornering
O Strange noises related to the suspension system
O Pinging or other noises related to the engine
O Engine missing, stumbling or running roughly
O Appreciable loss of power
O Vehicle pulls heavily to one side when braking
O Vehicle pulls heavily to one side when driving on a level road
O Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

6108-2. Steps to take in an emergency
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If your vehicle overheats
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.
O The needle of the engine coolant temperature gauge (P. 130)
enters the red zone or a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
O Vehicles with multi-information display: “Engine Coolant Temp
High Stop in a Safe Place See Owner’s Manual” is shown on the
multi-information display.
O Steam comes out from under the hood.
Correction procedures
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