check engine TOYOTA COROLLA 2021 (in English) User Guide

1113-1. Key information
3
Before driving
COROLLA_U• The wireless remote control does
not operate.
• The detection area becomes
smaller.
Vehicles with a smart key system
●The standard battery life is 1 to 2
years.
●If the battery becomes low, an
alarm will sound in the cabin and a
message will be s hown on the
multi-information display when the
engine is stopped.
●To reduce key battery depletion
when the electronic key is to not
be used for long periods of time,
set the electronic key to the bat-
tery-saving mode. ( P.127)
●As the electronic key always
receives radio waves, the battery
will become deplet ed even if the
electronic key is not used. The fol-
lowing symptoms indicate that the
electronic key battery may be
depleted. Replace the battery
when necessary. ( P.489)
• The smart key system or the wire- less remote control does not oper-
ate.
• The detection area becomes
smaller.
• The LED indicator on the key sur-
face does not turn on.
●To avoid serious deterioration, do
not leave the electronic key within
3 ft. (1 m) of the following electri-
cal appliances t hat produce a
magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or
cordless phones
• Table lamps
• Induction cookers
●If the electronic key is near the
vehicle for longer than necessary,
even if the smart key system is not
operated, the key battery may
become depleted faster than nor-
mal.
■Replacing the battery (with a
wireless remote control func-
tion)
 P.489
■If “A New Key has been Regis-
tered Contact Your Dealer for
Details” is shown on the
multi-information display (vehi-
cles with a smart key system)
This message will be displayed
each time the driver’s door is
opened when the doors are
unlocked from the outside for
approximately 10 days after a new
electronic key has been registered.
If this message is displayed but you
have not had a new electronic key
registered, ask your Toyota dealer to
check if an unknown electronic key
(other than those in your posses-
sion) has been registered.
■If a wrong key is used (with a
wireless remote control func-
tion)
The key cylinder rotates freely, iso-
lated from the internal mechanism.
NOTICE
■To prevent key damage
●Do not drop the keys, subject
them to strong shocks or bend
them.
●Do not expose the keys to high
temperatures for long periods of
time.
●Do not get the keys wet or wash
them in an ultrasonic washer
etc.
●Vehicles with a smart key sys-
tem: Do not att ach metallic or
magnetic materials to the keys
or place the keys close to such
materials.
●Do not disassemble the keys.

1253-2. Opening, closing and locking the doors
3
Before driving
COROLLA_Ucan be opened. In order to pre-
vent theft, take all electronic keys
with you when leaving the vehicle.
●If the electronic key is put in the
trunk with all the doors locked, the
key may not be detected depend-
ing on the location of the key and
the surrounding radio wave condi-
tions. In this case, the key con-
finement prevention function
cannot be activate
d, causing the
doors to lock when the trunk is
closed. Make sure to check where
the key is before closing the trunk.
●The key confinement prevention
function cannot be activated if any
one of the doors is unlocked. In
this case, open the trunk using the
trunk opener.
■Internal trunk release lever
The trunk lid can be opened by pull-
ing up the glow-in -the-dark lever
located on the inside of the trunk lid.
The lever will conti nue to glow for
some time after the trunk lid is
closed.
■If the smart key system or the
wireless remote control does
not operate properly (if
equipped)
Replace the key battery with a new
one if it is depleted. ( P.489)
■Open door warning buzzer
 P. 1 2 1
■Customization
Some functions can be customized.
(  P.581)
*: If equipped
■Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna inside the trunk
Antenna outside the trunk
Smart key system*
The following operations
can be performed simply by
carrying the electronic key
on your person, for example
in your pocket. The driver
should always carry the
electronic key.
 Locks and unlocks the
doors ( P.117)
 Opens the trunk ( P.123)
 Starts the engine ( P.164)

1293-2. Opening, closing and locking the doors
3
Before driving
COROLLA_Uthe doors.
●The lock sensor may not work
properly if it com
es into contact
with ice, snow, mud, etc. Clean
the lock sensor and attempt to
operate it again.
●A sudden handle operation or a
handle operation immediately
after entering the effective range
may prevent the doors from being
unlocked. Touch the door unlock
sensor and check that the doors
are unlocked bef ore pulling the
door handle again.
●If there is another electronic key in
the detection area, it may take
slightly longer to unlock the doors
after the door handle is gripped.
■When the vehicle is not driven
for extended periods
●To prevent theft of the vehicle, do
not leave the electronic key within
6 ft. (2 m) of the vehicle.
●The smart key system can be
deactivated in advance. ( P.581)
●Setting the electronic key to bat-
tery-saving mode helps to reduce
key battery depletion. ( P.127)
■To operate the system properly
●Make sure to carry the electronic
key when operati ng the system.
Do not get the electronic key too
close to the vehicle when operat-
ing the system from the outside of
the vehicle.
Depending on the position and hold-
ing condition of the electronic key,
the key may not be detected cor-
rectly and the system may not oper-
ate properly. (The alarm may go off
accidentally, or the door lock pre-
vention function may not operate.)
●Do not leave the electronic key
inside the trunk.
The key confinement prevention
function may not operate, depend-
ing on the location of the key (the
inside edge of the trunk), condi-
tions (inside a met al bag, close to metallic objects)
and the radio
waves in the surrounding area.
(  P.124)
■If the smart key system does
not operate properly
●Locking and unlocking the doors:
 P. 5 4 4
●Starting the engine: P. 5 4 5
■Customization
Some functions can be customized.
(  P.581)
■If the smart key system has
been deactivated in a custom-
ized setting
●Locking and unlocking the doors:
Use the wireless remote control or
mechanical key. ( P.117, 544)
●Starting the engi ne and changing
engine switch modes: P. 5 4 5
●Stopping the engine: P. 1 6 6

1433-5. Opening and closing the windows
3
Before driving
COROLLA_Upushing the switch in the
one-touch opening direction, and
hold it there for a
pproximately 4
seconds or more.
6 Pull and hold the power window
switch in the one-touch closing
direction again. After the door
window is completely closed,
continue holding the switch for a
further 1 second or more.
If you release the switch while the
window is moving, start again from
the beginning.
If the window reverses and cannot
be fully closed or opened, have the
vehicle inspected by your Toyota
dealer.
■Door lock linked window opera-
tion
●Vehicles without a smart key sys-
tem: The power windows can be
opened and closed using the key.
*
(  P.118)
Vehicles with a smart key system:
The power windows can be
opened and closed using the
mechanical key.
* (  P.545)
●The power windows can be
opened using the wireless remote
control.
* (with a wireless remote
control function) ( P. 1 1 7 )
*: These settings must be custom-
ized at your Toyota dealer.
■Customization
Some functions can be customized.
(  P.581)
WA R N I N G
Observe the following precau-
tions. Failure to do so may result
in death or serious injury.
■Closing the windows
●The driver is responsible for all
the power window operations,
including the operation for the
passengers. In order to prevent
accidental operation, especially
by a child, do not let a child
operate the power windows. It is
possible for children and other
passengers to have body parts
caught in the power window.
Also, when ridin g with a child, it
is recommended to use the win-
dow lock switch. (
P.144)
●Check to make sure that all pas-
sengers do not have any part of
their body in a pos ition where it
could be caught when a window
is being operated.
●When using the wireless remote
control (if equipped), key or
mechanical key and operating
the power windows, operate the
power window after checking to
make sure that t here is no pos-
sibility of any passenger having
any of their body parts caught in
the window. Also do not let a
child operate window by the
wireless remote control (if
equipped), key or mechanical
key. It is possib le for children
and other passengers to get
caught in the power window.
●When exiting the vehicle, turn
the engine switch off, carry the
key and exit the vehicle along
with the child. There may be
accidental operation, due to
mischief, etc., that may possibly
lead to an accident.

1473-5. Opening and closing the windows
3
Before driving
COROLLA_U
WA R N I N G
●Check to make sure that all pas-
sengers do not have any part of
their body in a position where it
could be caught when the moon
roof is being operated.
●When using the wireless remote
control, key or mechanical key
and operating the moon roof,
operate the moon roof after
checking to make sure that
there is no possibility of any
passenger having any of their
body parts caught in the moon
roof. Also, do n ot let a child
operate moon roof by the wire-
less remote control, key or
mechanical key. It is possible for
children and othe r passengers
to get caught in the moon roof.
●When exiting the vehicle, turn
the engine switch off, carry the
key and exit the vehicle along
with the child. There may be
accidental operation, due to
mischief, etc., that may possibly
lead to an accident.
■Jam protection function
●Never use any part of your body
to intentionally a ctivate the jam
protection function.
●The jam protection function may
not work if something gets
caught just before the moon
roof is fully closed. Also, the jam
protection function is not
designed to operate while the
moon roof switch is being
pressed. Take care so that your
fingers, etc. do not get caught.

1504-1. Before driving
COROLLA_U
4-1.Before driving
■Starting the engine
 P.163, 164
■Driving
Continuously variable trans-
mission
1 With the brake pedal
depressed, shift the shift
lever to D. ( P.169)
2 Release the parking brake.
( P.180, 181)
3 Gradually release the brake
pedal and gently depress the
accelerator pedal to acceler-
ate the vehicle.
Manual transmission
1 While depressing the clutch
pedal, shift the shift lever to
1. ( P.176)
2 Release the parking brake.
( P.180, 181)
3 Gradually release the clutch
pedal. At the same time, gen-
tly depress the accelerator
pedal to accelerate the vehi-
cle.
■Stopping
Continuously variable trans-
mission
1 With the shift lever in D,
depress the brake pedal.
2 If necessary, set the parking
brake.
If the vehicle is to be stopped for an
extended period of time, shift the
shift lever to P. ( P.169)
Manual transmission
1 While depressing the clutch
pedal, depress the brake
pedal.
2 If necessary, set the parking
brake.
If the vehicle is to be stopped for an
extended period of time, shift the
shift lever to N. ( P.176)
■Parking the vehicle
Continuously variable trans-
mission
1 With the shift lever in D,
depress the brake pedal to
stop the vehicle completely.
2 Set the parking brake
( P.180, 181), and shift the
shift lever to P. ( P.169)
Check the parking brake indicator
is illuminated.
3 Vehicles without a smart key
system: Turn the engine
switch to OFF to stop the
engine.
Vehicles with a smart key
system: Press the engine
switch to stop the engine.
Driving the vehicle
The following procedures
should be observed to
ensure safe driving:
Driving procedure

1514-1. Before driving
4
Driving
COROLLA_U
4Slowly release the brake
pedal.
5 Lock the door, making sure
that you have the key on your
person.
If parking on a hill, block the wheels
as needed.
Manual transmission
1 While depressing the clutch
pedal, depress the brake
pedal.
2 Set the parking brake.
( P.180, 181)
Check that the park ing brake indi-
cator is illuminated.
3 Shift the shift lever to N.
( P.176)
If parking on a hill, shift the shift
lever to 1 or R and block the wheels
as needed.
4Vehicles without a smart key
system: Turn the engine
switch to OFF to stop the
engine.
Vehicles with a smart key
system: Press the engine
switch to stop the engine.
5 Slowly release the brake
pedal.
6 Lock the door, making sure
that you have the key on your
person.
■Starting off on a steep
uphill
Continuously variable trans-
mission
1 Make sure that the parking
brake is set and shift the shift
lever to D.
2 Gently depress the accelera-
tor pedal.
3 Release the parking brake.
Manual transmission
1 Make sure that the parking
brake is set and shift the shift
lever to 1.
2 Lightly depress the accelera-
tor pedal at the same time as
gradually releasing the clutch
pedal.
3 Release the parking brake.
■Driving in the rain
●Drive carefully whe n it is raining,
because visibility will be reduced,
the windows may become
fogged-up, and the road will be
slippery.
●Drive carefully whe n it starts to
rain, because the road surface will
be especially slippery.
●Refrain from hig h speeds when
driving on an expressway in the
rain, because there may be a
layer of water between the tires
and the road surface, preventing
the steering and brakes from
operating properly.
■Engine speed while driving
(vehicles with a continuously
variable transmission)
In the following conditions, the
engine speed may become high
while driving. This is due to auto-

1534-1. Before driving
4
Driving
COROLLA_U
WA R N I N G
■When driving the vehicle
●Do not drive if y ou are unfamil-
iar with the location of the brake
and accelerator pedals to avoid
depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the
brake pedal will result in sudden
acceleration that may lead to an
accident.
• When backing up, you may twist your body around, leading to a
difficulty in operating the pedals.
Make sure to operate the pedals
properly.
• Make sure to keep a correct driving posture even when mov-
ing the vehicle only slightly. This
allows you to depress the brake
and accelerator pedals properly.
• Depress the brake pedal using your right foot. Depressing the
brake pedal using your left foot
may delay respon se in an emer-
gency, resulting in an accident.
●Do not drive the vehicle over or
stop the vehicle near flammable
materials.
The exhaust system and
exhaust gases can be
extremely hot. These hot parts
may cause a fire if there is any
flammable material nearby.
●During normal driving, do not
turn off the engine. Turning the
engine off while driving will not
cause loss of steering or brak-
ing control, but the power assist
to these systems will be lost.
This will make it more difficult to
steer and brake, so you should
pull over and stop the vehicle as
soon as it is safe to do so.
However, in the event of an
emergency, such as if it
becomes impossible to stop the
vehicle in the normal way:
P.502
●Use engine braking (shift posi-
tion B*1 or downshift*2, 3) to
maintain a safe speed when
driving down a steep hill.
Using the brakes continuously
may cause the brakes to over-
heat and lose effectiveness.
(
P.169, 172, 176)
*1: Vehicles with a continuously
variable transmission (without
paddle shift switches)
*2: Vehicles with a continuously variable transmission (with
paddle shift switches)
*3: Vehicles with a manual trans-mission
●Do not adjust the positions of
the steering wheel, the seat, or
the inside or outside rear view
mirrors while driving.
Doing so may result in a loss of
vehicle control.
●Always check that all passen-
gers’ arms, heads or other parts
of their body are not outside the
vehicle.

1544-1. Before driving
COROLLA_U
WA R N I N G
●Do not drive in excess of the
speed limit. Even if the legal
speed limit permits it, do not
drive over 85 mph (140 km/h)
unless your vehicle has
high-speed capability tires. Driv-
ing over 85 mp h (140 km/h)
may result in tire failure, loss of
control and possible injury. Be
sure to consult a tire dealer to
determine whether the tires on
your vehicle are high-speed
capability tires or not before
driving at such speeds.
■When driving on slippery
road surfaces
●Sudden braking, acceleration
and steering may cause tire
slippage and reduce your ability
to control the vehicle.
●Sudden acceleration, engine
braking due to shifting, or
changes in engine speed could
cause the vehicle to skid.
●After driving through a puddle,
lightly depress the brake pedal
to make sure that the brakes
are functioning properly. Wet
brake pads may prevent the
brakes from functioning prop-
erly. If the brakes on only one
side are wet and not functioning
properly, steering control may
be affected.
■When shifting the shift lever
●Vehicles with a continuously
variable transmission: Do not let
the vehicle roll backward while a
forward driving position is
selected, or roll forward while
the shift lever is in R.
Doing so may cause the engine
t o st all or lea d to po o r br ak e a nd
steering performance, resulting
in an accident or damage to the
vehicle.
●Vehicles with a continuously
variable transmission: Do not
shift the shift lever to P while the
vehicle is moving.
Doing so can damage the trans-
mission and may result in a loss
of vehicle control.
●Do not shift the sh ift lever to R
while the vehicle is moving for-
ward.
Doing so can damage the trans-
mission and may result in a loss
of vehicle control.
●Do not shift the shift lever to a
driving position while the vehicle
is moving backward.
Doing so can damage the trans-
mission and may result in a loss
of vehicle control.
●Moving the shift lever to N while
the vehicle is moving will disen-
gage the engine from the trans-
mission. Engine braking is not
available when N is selected.
●Vehicles with a continuously
variable transmission: Be care-
ful not to shift the shift lever with
the accelerator pedal
depressed. Shifting the shift
lever to any positions other than
P or N may lead to unexpected
rapid acceleration of the vehicle
that may cause an accident and
result in death or serious injury.
■If you hear a squealing or
scraping noise (brake pad
wear indicators)
Have the brake pads checked and
replaced by your Toyota dealer as
soon as possible.
Rotor damage may result if the
pads are not replaced when
needed.
It is dangerous to drive the vehicle
when the wear limits of the brake
pads and/or those of the brake
discs are exceeded.

1584-1. Before driving
COROLLA_U
Cargo capacity depends on the
total weight of the occupants.
(Cargo capacity) = (Total load
capacity) — (Total weight of
occupants)
Steps for Determining Correct
Load Limit —
(1) Locate the statement “The
combined weight of occupants
and cargo should never exceed
XXX kg or XXX lbs.” on your
vehicle’s placard.
(2) Determine the combined
weight of the driver and passen-
gers that will be riding in your
vehicle.
(3) Subtract the combined
weight of the driver and passen-
gers from XXX kg or XXX lbs.
(4) The resulting figure equals
the available amount of cargo
and luggage load capacity.
For example, if the “XXX”
amount equals 1400 lbs. and
there will be five 150 lb passen-
gers in your vehicle, the amount
of available cargo and luggage
load capacity is 650 lbs. (1400 −
NOTICE
●Short in electrical components
●Engine damage caused by
water immersion
In the event that you drive on a
flooded road an d the vehicle
becomes flooded or stuck in mud
or sand, be sure to have your Toy-
ota dealer check the following:
●Brake function
●Changes in the quantity and
quality of the eng ine oil, tran-
saxle fluid, clutch fluid, etc.
●Lubricant condition for the bear-
ings and suspension joints
(where possible), and the func-
tion of all joints , bearings, etc.
Cargo and luggage
Take notice of the following
information about storage
precautions, cargo capacity
and load:
Capacity and distribution