coolant temperature TOYOTA COROLLA 2021 Owners Manual (in English)

872-1. Instrument cluster
2
Vehicle status information and indicators
COROLLA_U
7-inch display (when digital speedometer is displayed)
Warning lights inform the driver
of malfunctions in the indicated
vehicle’s systems.
Warning lights
(U.S.A.)
Brake system warning
light
*1 (  P.511)
(Red)
(Canada)
Brake system warning
light
*1 (  P.511)
(Yellow)
Brake system warning
light
*1 ( P.511)
High coolant temperature
warning light
*2 (  P.511)
Charging system warning
light
*1 (  P.512)
Low engine oil pressure
warning light
*2 (  P.512)
(U.S.A.)
Malfunction indicator
lamp
*1 ( P.512)
(Canada)
Malfunction indicator
lamp
*1 ( P.512)
SRS warning light
*1
(  P.512)
(U.S.A.)
ABS warning light*1
(  P.513)
(Canada)
ABS warning light*1
(  P.513)
Brake Override System
warning light/Drive-Start
Control warning light
*2
(  P.513)
(Red)
Electric power steering
system warning light
*1
(  P.514)
(Yellow)
Electric power steering
system warning light
*1
(  P.514)
Low fuel level warning
light ( P.514)
Driver’s and front passen-
ger’s seat belt reminder
light ( P.514)

912-1. Instrument cluster
2
Vehicle status information and indicators
COROLLA_U
■Locations of gauges and meters
The units of measure may differ depending on the intended destination of
the vehicle.
Tachometer
Displays the engine speed in revolutions per minute
Speedometer
Outside temperature
Displays the outside temperature within the range of -40°F (-40 °C) to 122°F
(50°C)
Clock ( P. 9 3 )
Multi-information display
Presents the driver with a variety of vehicle data (P.100)
Displays warning messages if a malfunction occurs (P.521)
Odometer and trip meter display ( P.92)
Shift position indicator ( P.169)
Display change button ( P.92)
Fuel gauge
Displays the quantity of fu el remaining in the tank
Engine coolant temperature gauge
Displays the engine coolant temperature
Gauges and meters (4.2-inch display)
Meter display

922-1. Instrument cluster
COROLLA_U
■Outside temperature display
●In the following situations, the cor-
rect outside tempe rature may not
be displayed, or the display may
take longer than normal to
change:
• When stopped, or driving at low
speeds (less than 16 mph [25
km/h])
• When the outside temperature
has changed su ddenly (at the
entrance/exit of a garage, tunnel,
etc.)
●When “--” or “E” is displayed, the
system may be malfunctioning.
Take your vehicle to your Toyota
dealer.
■Liquid crystal display
 P. 1 0 1
■Changing the display
Press the display change button
until the desired item is dis-
played.
■Display items
 Odometer
Displays the total distance the vehi-
cle has been driven.
 Trip meter A/Trip meter B
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
WA R N I N G
■The information display at
low temperatures
Allow the interior of the vehicle to
warm up before u sing the liquid
crystal informat ion display. At
extremely low temperatures, the
information display monitor may
respond slowly, and display
changes may be delayed.
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 exces-
sive engine braking and possibly
an accident resulting in death or
injury.
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 maxi-
mum engine speed.
●The engine may be overheating
if the engine coolant tempera-
ture 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.550)
Odometer and trip meter
display

952-1. Instrument cluster
2
Vehicle status information and indicators
COROLLA_U
■Locations of gauges and meters
Analog speedometer
The units of measure may differ depending on the intended destination of
the vehicle.
Tachometer
Displays the engine speed in revolutions per minute
Speedometer
Sub speedometer
Clock ( P. 9 8 )
Fuel gauge
Displays the quantity of fu el remaining in the tank
Engine coolant temperature gauge
Displays the engine coolant temperature
Display change button ( P.97)
Odometer and trip meter display ( P.97)
Multi-information display
Presents the driver with a variety of vehicle data (P.100)
Displays warning messages if a malfunction occurs (P.521)
Outside temperature
Displays the outside temperature within the range of -40°F (-40 °C) to 122°F
Gauges and meters (7-inch display)
Meter display

962-1. Instrument cluster
COROLLA_U(50°C)
Shift position indicator (
P.169)
Digital speedometer
The units of measure may differ depending on the intended desti nation of
the vehicle.
Tachometer
Displays the engine speed in revolutions per minute
Speedometer
Clock ( P. 9 8 )
Fuel gauge
Displays the quantity of fu el remaining in the tank
Engine coolant temperature gauge
Displays the engine coolant temperature
Display change button ( P.97)
Odometer and trip meter display ( P.97)
Multi-information display
Presents the driver with a variety of vehicle data (P.100)
Displays warning messages if a malfunction occurs (P.521)
Outside temperature
Displays the outside temperature within the range of -40°F (-40 °C) to 122°F
(50°C)
Shift position indicator ( P.169)
■Outside temperature display●In the following situations, the cor-
rect outside temperature may not

972-1. Instrument cluster
2
Vehicle status information and indicators
COROLLA_Ube displayed, or the display may
take longer than normal to
change:
• When stopped, or driving at low speeds (less than 16 mph [25
km/h])
• When the outside temperature has changed su ddenly (at the
entrance/exit of a garage, tunnel,
etc.)
●When “--” or “E” is displayed, the
system may be malfunctioning.
Take your vehicle to your Toyota
dealer.
■Liquid crystal display
 P. 1 0 1
■Customization
The gauges and met ers can be cus-
tomized in of the multi-informa-
tion display. ( P.104)
■Changing the display
Press the display change button
until the desired item is dis-
played.
■Display items
 Odometer
Displays the total distance the vehi-
cle has been driven.
 Trip meter A/Trip meter B
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
WA R N I N G
■The information display at
low temperatures
Allow the interior of the vehicle to
warm up before u sing the liquid
crystal informat ion display. At
extremely low temperatures, the
information display monitor may
respond slowly, and display
changes may be delayed.
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 exces-
sive engine braking and possibly
an accident resulting in death or
injury.
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 maxi-
mum engine speed.
●The engine may be overheating
if the engine coolant tempera-
ture 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.550)
Odometer and trip meter
display

4637-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_U
Radiator
and con-
denser
( P.471)

Tire infla-
tion pres-
sure
( P.484)• Tire pressure gauge
• Compressed air
source
Washer
fluid
( P.474)
• Water or washer
fluid containing anti-
freeze (for winter
use)
• Funnel (used only for adding water or
washer fluid)
WA R N I N G
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
engine drive belt.
●Be careful not to touch the
engine, radiator , exhaust mani-
fold, etc. right a fter 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 and
rags, in the engine compart-
ment.
●Do not smoke, cause sparks or
expose an open flame to fuel or
the battery. Fuel and battery
fumes are flammable.
ItemsParts and tools●Be extremely cautious when
working on the battery. It con-
tains poisonous and corrosive
sulfuric acid.
■When working near the elec-
tric cooling fan or radiator
grille
Be sure the engine switch is OFF.
With the engine switch in ON, the
electric cooling fa n may automati-
cally start to run if the air condi-
tioning is on and/or the coolant
temperature is high. ( P.471)
■Safety glasses
Wear safety glasses to prevent
flying or falling material, fluid
spray, etc. from getting in your
eyes.
NOTICE
■If you remove the air cleaner
filter
Driving with the ai r cleaner filter
removed may cause excessive
engine wear due to dirt in the air.

4677-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_U
2.0 L 4-cylinder (M20A-FKS) engineWasher fluid tank ( P.474)
Engine coolant reservoir ( P.470)
Fuse boxes ( P.492)
Engine oil filler cap ( P.468)
Engine oil level dipstick ( P.467)
Battery ( P.472)
Brake fluid reservoir ( P.471)
Radiator ( P.471)
Condenser ( P.471)
Electric cooling fan
With the engine at operating
temperature and turned off,
check the oil level on the dip-
stick.
■Checking the engine oil
1 Park the vehicle on level
ground. After warming up the
engine and turning it off, wait
more than 5 minutes for the
oil to drain back into the bot-
tom of the engine.Checking and adding the
engine oil

5098-2. Steps to take in an emergency
8
When trouble arises
COROLLA_U
Fluid leaks under the vehicle.
(Water dripping from the air
conditioning after use is nor-
mal.)
 Flat-looking tires or uneven
tire wear
 Engine coolant temperature
gauge needle continually
points higher than normal.
 Changes in exhaust sound
 Excessive tire squeal when
cornering
 Strange noises related to the
suspension system
 Pinging or other noises
related to the engine
 Engine missing, stumbling or
running roughly
 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,
spongy feeling, pedal almost
touches the floor
If you think something
is wrong
If you notice any of the fol-
lowing symptoms, your
vehicle probably needs
adjustment or repair. Con-
tact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

5118-2. Steps to take in an emergency
8
When trouble arises
COROLLA_U
■Brake system warning light (warning buzzer)
■Brake system warning light
■High coolant temperature warning light* (warning buzzer)
*: This light illuminat es on the multi-information display.
If a war ning light tur ns on or a war ning buzzer
sounds
Calmly perform the following actions if any of the warning
lights comes on or flashes. If a light comes on or flashes, but
then goes off, this does not necessarily indicate a malfunction
in the system. However, if this continues to occur, have the
vehicle inspected by your Toyota dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
or
(Red)
(Canada)
Indicates that:
 The brake fluid level is low; or
 The brake system is malfunctioning
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
Warning lightDetails/Actions
(Yellow)
Indicates a malfunction i n the parking brake system
 Have the vehicle inspected by your Toyota dealer
immediately.
Warning lightDetails/Actions
Indicates that the engine c oolant temperature is exces-
sively high
 Immediately stop the vehicle in a safe place.
Handling method ( P.550)