warning light TOYOTA COROLLA 2016 11.G Owner's Guide

4968-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)
lFluid leaks under the vehicle.
(Water dripping from the air co nditioning after use is normal.)
l Flat-looking tires or uneven tire wear
l Vehicles with a drive monitor display: High engine coolant tempera-
ture warning light comes on.
l Vehicles with a multi-information display: Engine coolant tempera-
ture gauge needle continually points higher than normal.
l Changes in exhaust sound
l Excessive tire squeal when cornering
l Strange noises related to the suspension system
l Pinging or other noises related to the engine
l Engine missing, stumbling or running roughly
l Appreciable loss of power
l Vehicle pulls heavily to one side when braking
l Vehicle pulls heavily to one side when driving on a level road
l Loss of brake effectiveness, spon gy feeling, pedal almost touches
the floor
If you think something is wrong
If you notice any of the follow ing symptoms, your vehicle proba-
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

4988-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)
If a warning light turns on or a warning
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.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
Charging system warning light*3
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Low engine oil pressure warning light*3
Indicates that the engine oil pressure is too low.
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
and
High engine coolant temperature warning light*3
Indicates that the engine is almost overheating. ( P. 543)
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.

4998-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control system; or
• The electronic continuously variable transmission con-
trol system.
 Have the vehicle inspected by your Toyota dealer
immediately.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Toyota dealer
immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
 Have the vehicle inspected by your Toyota dealer
immediately.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
 Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes in yellow for
15 seconds.)
Smart key system indicator light*3, 6
Indicates a malfunction in the smart key system.
 Have the vehicle inspected by your Toyota dealer
immediately.
(Comes on)
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system
The light will flash when the VSC or the TRAC
system is
operating.
 Have the vehicle inspected by your Toyota dealer
immediately.
Warning lightWarning light/Details/Actions

5008-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)
(Comes on in yellow)
Cruise control indicator light*3, 6
Indicates a malfunction in the cruise control system.
 Have the vehicle inspected by your Toyota dealer
immediately.
Open door warning light (warning buzzer)*2, 3
Indicates that a door or the trunk is not fully closed
 Check that all the doors and the trunk are closed.
Low fuel level warning light
Indicates that remaining fuel is approximately 2.0 gal. (7.5
L, 1.7 Imp. gal.) or less
 Refuel the vehicle.
Seat belt reminder light (warning buzzer)*5
Warns the driver and/or front passenger to fasten their
seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (war ning buzzer) turn off.
Low windshield washer fluid warning light*3, 6
Low level of washer fluid.
 Fill the tank.
Master warning light*4
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
 P. 510
Tire pressure warning light*6
When the light comes on:
Low tire inflation pressure such as
• Natural causes ( P. 505)
• Flat tire ( P. 520)
 Adjust the tire inflation pressure to the specified
level.
The light will turn off after a few minutes. In case
the light does not turn off even if the tire inflation
pressure is adjusted, have the system checked by
your Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
 Have the system checked by your Toyota dealer.
Warning lightWarning light/Details/Actions

5018-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
*1: Parking brake engaged warning buzzer: P. 510
*2: Open door warning buzzer:P. 510
*3: Vehicles with a drive monitor display
*4: Vehicles with a multi-information display
(U.S.A.)
Maintenance required reminder light*3
Indicates that maintenance is required according to the
driven distance on the maintenance schedule.
*7
Illuminates for about 3 seconds and then flashes for about
15 seconds approximately 4500 miles (7200 km) after the
reminder light has been reset.
 If necessary, perform maintenance.
Comes on and remains on if the distance driven exceeds
5000 miles (8000 km) after the reminder light has been
reset.
(The indicator will not work properly unless the reminder
light has been reset.)
 Perform the necessary maintenance.
Please reset the reminder light after the maintenance
is performed.
(P. 427)
Warning lightWarning light/Details/Actions

5038-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Follow the correction procedures. (vehicles with a smart key
system and with a drive monitor display)
InteriorbuzzerExterior buzzerWarning lightWarning light/Details/Action
Continuous Continuous
(Flashes in yel- low)
Smart key system indi cator light (except
vehicles with a manual transmission)
The electronic key was carried outside the
vehicle and the driver’s door was opened and
closed while any shift position other than P
was selected without turning off the engine
switch.
 Change the shift position to P.
 Bring the electronic key back into the vehi-
cle.
Once3 times
(Flashes in yel-
low)
Smart key system indi cator light (except
vehicles with a manual transmission) The electronic key was carried outside the
vehicle and the driver’s door was opened and
closed while the shift position P was selected
without turning off the engine switch.
 Turn the engine switch off or bring the
electronic key back into the vehicle.
Smart key system indicator light
Indicates that a door other than the driver’s
door has been opened and closed with the
engine switch in any mode other than off and
the electronic key outside of the detection
area.
 Confirm the location of the electronic key.

5048-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)
OnceContinuous
(5 seconds)
(Flashes in yel- low)
Smart key system indicator light
An attempt was made to exit the vehicle with
the electronic key and lock the doors without
first turning the engine switch off.
 Turn the engine switch off and lock the
doors again.
Once 
(Flashes in yel-
low for 15 sec- onds)
Smart key system indicator light
Indicates that the electronic key is not present
when attempting to start the engine.
 Confirm the location of the electronic key.
9 times
(Flashes in yel-
low)
Smart key system indicator light
An attempt was made to drive when the regu-
lar key was not inside the vehicle.
 Confirm that the el ectronic key is inside
the vehicle.
Once(Flashes in yel- low for 15 sec-
onds)
Smart key system indicator light
Indicates that the electronic key battery is low.
 Replace the battery.
( P. 469)
Once(Flashes quickly
in green for 15 seconds)
Smart key system indicator light
Indicates that the steering lock has not been
released.
 Release the steering lock. ( P. 173)
Once(Flashes in yel-
low for 30 sec- onds)
Smart key system indicator light
• When the doors were unlocked with themechanical key and then the engine switch
was pressed, the electronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle even after the engine switch was
pressed two consecutive times.
 Vehicles with a continuously variable
transmission: Touch the electronic key to
the engine switch while depressing the
brake pedal.
Vehicles with a manual transmission:
Touch the electronic key to the engine
switch while depressing the clutch pedal.
Interior
buzzerExterior buzzerWarning lightWarning light/Details/Action

5058-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
nSRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side
impact sensors (rear), driver’s seat belt buckle switch, front passenger occu-
pant classification system, “AIR BAG ON” indicator light, “AIR BAG OFF” indi-
cator light, front passenger’s seat belt buckle switch, seat belt pretensioners
(front), airbags, interconnecting wiring and power sources. ( P. 3 5 )
n Front passenger detection sensor, seat belt reminder and warning
buzzer
If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
n If the malfunction indicator la mp comes on while driving
First check the following:
l Is the fuel tank empty?
If it is, fill the fuel tank immediately.
l Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
n
When the tire pressure warning light comes on (vehicles with a tire
pressure warning system)
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressure warning reset switch will not turn off the tire pressure
warning light.
nThe tire pressure warning light may come on due to natural causes
(vehicles with a tire pressure warning system)
The tire pressure warning light may come on due to natural causes such
as natural air leaks and tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after a few minutes).

5068-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM12J84U)n
When a tire is replaced with a spare tire (vehicles with a tire pressure
warning system)
The compact spare tire is not equipped with a tire pressure warning valve
and transmitter. If a tire goes flat,
the tire pressure warning light will not
turn off even though the flat tire has been replaced with the spare tire.
Replace the spare tire with the repaired tire and adjust the tire inflation
pressure. The tire pressu re warning light will go off after a few minutes.
nConditions that the tire pressure warning system may not function
properly (vehicles with a tire pressure warning system)
The tire pressure warning system will be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
lIf tires not equipped with tire pressure warning valves and transmitters
are used
lIf the ID code on the tire pressure warning valves and transmitters is not
registered in the tire pressure warning computer
lIf the tire inflation pressure is 73 psi (500 kPa, 5.1 kgf/cm2 or bar) or
higher
The tire pressure warning system may be disabled in the following condi-
tions:
(When the condition be comes normal, the system will work properly.)
lIf electronic devices or facilities using similar radio wave frequencies are
nearby
lIf a radio set at similar frequency is in use in the vehicle
lIf a window tint that affects the radio wave signals is installed
lIf there is a lot of snow or ice on th e vehicle, in particular around the
wheels or wheel housings
lIf non-genuine Toyota wheels are used (Even if you use Toyota wheels,
the tire pressure warning system may not work properly with some types
of tires.)
lIf tire chains are used
nIf the tire pressure warning light frequently comes on after blinking
for 1 minute (vehicles with a tire pressure warning system)
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned on, have it checked by your
Toyota dealer.
n Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an
audio sound.
n Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the
warning buzzer may sound.

5078-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)
CAUTION
nIf both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Toyota
dealer. The vehicle will become extrem ely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
n When the electric power steerin g system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavie r than usual when operating, hold
firmly and operate using more force than usual.
n
If the tire pressure warning light comes on (vehicles with a tire
pressure warning system)
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
lStop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
lIf the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires.
If a tire is flat, change it with th e spare tire and have the flat tire
repaired by the nearest Toyota dealer.
lAvoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
nIf a blowout or sudden air leakage should occur (vehicles with a tire
pressure warning system)
The tire pressure warning system may not activate immediately.