coolant temperature TOYOTA 86 2018 Owners Manual

192 2-2. Instrument cluster
Instrument panel light controlThe brightness of the instrument panel lights can be adjusted.
Brighter
Darker
Engine coolant temperat ure gauge (if equipped)
Displays the engine coolant temperature.
Digital Speedometer
Displays the vehicle speed.
Multi-information display, odometer and trip meter
P. 200, 207
“DISP” switch (if equipped)
P. 203
“ODO/TRIP” switch
P. 202
“km/h MPH” switch
Each time the switch is pressed, the display inside the meter c hanges
between km/h and MPH.

193
2-2. Instrument cluster
2
When driving
■
The meters and display illuminate when
Vehicles without a smart key system
The engine switch is in the “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is in IGNITION ON mode.
■ The brightness of the i nstrument panel lights
When the parking lights or the headlights turn on, the instrume nt panel lights
will dim. However, when the instrument panel brightness control dial is
turned to the up most position, the instrument panel lights wil l not dim even
when the parking lights or headlights turn on.
NOTICE
■ To prevent damage to the engine and its components
● Do not let the indicator needle of the tachometer enter the red zone, which
indicates the maximum engine speed.
● In the following situations, the engine may be overheating. In this case,
immediately stop the vehicle in a safe place, and check the eng ine after it
has cooled completely. (
P. 449)
• Vehicles with a monochrome multi-information display: The engine coolant temperature gauge enters the red zone
• Vehicles with a color multi-information display: The high engine coolant temperature warning light flashes or illuminates

196 2-2. Instrument cluster
■Indicators
The indicators inform the driv er of the operating state of the
vehicle’s various systems.
Turn signal indicator
( P. 188)Shift-up indicator
( P. 186)
(Vehicles with a manual transmission)
Headlight high beam
indicator ( P. 223)
(Blue)
(If equipped)
Low engine coolant
temperature indicator
(If equipped)
Front fog light indicator
( P. 228)Slip indicator
(P. 246)
Security indicator
(P. 79, 82)Hill-start assist control
ON indicator
(P. 252)
(If equipped)
Smart key system indi-
cator ( P. 166)“TRAC OFF” indicator
(P. 246)
Shift position and shift
range indicator
(P. 179)VSC off indicator
(P. 247)
(Vehicles with an automatic transmission)
Upshift/downshift indi-
cator ( P. 181, 183)“TRACK” indicator
(P. 247)
(Vehicles with an automatic transmission)
“SPORT” indicator
(P. 180)REV indicator
(P. 156)
(Vehicles with an automatic transmission)
“SNOW” indicator
( P. 180)
(Green)
Cruise control indicator
(P. 232)
(Vehicles with an automatic transmission)
Shift position indicator
(P. 186)“SET” indicator
(P. 232)
(Vehicles with a manual transmission)
*2
*1, 3
*3
*1
*1

197
2-2. Instrument cluster
2
When driving
*1:
Vehicles without a smart key system
These lights turn on when the engine switch is turned to the “O N”
position to indicate that a system check is being performed. Th ey
will turn off after the engine is started, or after a few seconds. There
may be a malfunction in a system if a light does not come on, o r if
the lights do not turn off. Have the vehicle inspected by your To y o t a
dealer.
Vehicles with a smart key system
These lights turn on when the “ENGINE START STOP” switch is
turned to IGNITION ON mode to indicate that a system check is
being performed. They will turn off after the engine is started , or
after a few seconds. There may be a malfunction in a system if a
light does not come on, or if the lights do not turn off. Have the vehi-
cle inspected by your Toyota dealer for details.
*2: This indicator turns on when the engine coolant temperature is low.
*3: The light flashes to indicate that the system is operating.
*4: When the outside temperature is approximately 37°F (3°C) or lower,
the indicator will illuminate.
(If equipped)
Low outside tempera-
ture indicator ( P. 219)
Airbag on-off indicator ( P. 128)
*4

211
2-2. Instrument cluster
2
When driving
■
Drive information (page 2)
Average vehicle speed
Displays the average vehicle
speed since display was reset.
Driving time
Displays the cumulative time the
vehicle has been driven since dis-
play was reset.
Driving distance
Displays the cumulative distance
the vehicle has been driven since
display was reset.
●Pressing and holding will reset the average vehicle speed/
driving time/driving distance.
■ Drive information (page 3)
Engine coolant temperature
gauge
Displays the engine coolant tem-
perature.
If the engine coolant temperature
gauge needle/indicator enters the
red zone, a buzzer will sound and
a warning message will be dis-
played.
Engine oil temperature gauge
Displays the engine oil tempera-
ture.
Vol tm et er
Displays the charging voltage.
As voltage displayed may
be different from the actual
battery voltage, use the volt-
meter as a guideline.

326 4-3. Do-it-yourself maintenance
WARNING
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions.
■ When working on the engine compartment
●Keep hands, clothing, and tools away from the moving fan and en gine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper or ra gs, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or t he bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
■ When working near the electric cooling fans or radiator grille
Vehicles without a smart key system: Be sure the engine switch is off. With
the engine switch in the “ON” position, the electric cooling fa ns may auto-
matically start to run if the air conditioning is on and/or the coolant tempera-
ture is high. ( P. 337)
Vehicles with a smart key system: Be sure the “ENGINE START STO P”
switch is off. With the “ENGINE START STOP” switch in IGNITION ON
mode, the electric cooling fans may automatically start to run if the air condi-
tioning is on and/or the coolant temperature is high. ( P. 337)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.

5
When trouble arises
393
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle proba bly
needs adjustment or repair. Cont act your Toyota dealer as soon as
possible.
■ Visible symptoms
●Fluid leaks under the vehicle
(Water dripping from t he air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Vehicles with a monochrome multi-information display: The
engine coolant temperature gauge needle continually points
higher than normal
● Vehicles with a color multi-information display: The high
engine coolant temperature wa rning light flashes or illumi-
nates
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, s pongy feeling, pedal almost
touches the floor

396 5-2. Steps to take in an emergency
Stop the vehicle immediately.The following warning indicates the possibility of damage to th e vehi-
cle that may lead to an acciden t. Immediately stop the vehicle in a
safe place and contact your Toyota dealer.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging system.
Low engine oil pressure warning light Indicates that the engine oil pressure is too low.
(Flashes or illu- minates in red) High engine coolant temper
ature warning light (if
equipped) Indicates that the engine is almost overheating. ( P. 449)
As the engine coolant temperature increases, this warning
light will change from flashing to constantly illuminated.

5
When trouble arises
449
5-2. Steps to take in an emergency
If your vehicle overheats
Correction proceduresStop the vehicle in a safe place and turn off the air condition -
ing system, 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 (radia-
tor) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Toyota
dealer.
The following may indicate that your vehicle is overheating.
●Vehicles with a monochrome mu lti-information display: The
engine coolant temperature gauge ( P. 191) enters the red
zone or a loss of engine power is experienced (for example, the
vehicle speed does not increase).
Vehicles with a color multi-information display: The high engin e
coolant temperature warning light ( P. 194) flashes or illumi-
nates or a loss of engine power i s experienced (for example, the
vehicle speed does not increase).
● Steam comes out from under the hood.
STEP 1
STEP 2
STEP 3

450 5-2. Steps to take in an emergency
The coolant level is satisfactory if
it is between the “FULL” and
“LOW” lines on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the engine and turn the air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from the radiator or hoses.
The fans operate when the air conditioning system is turned on
immediately after a cold start. Confirm that the fans are operating by
checking the fan sound and air flow. If it is difficult to check these,
turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fans are operating:
Have the vehicle in spected at the neare st Toyota dealer.
STEP 4
STEP 5
STEP 6
STEP 7