Page 452 of 620
4527-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM12J84U)
NOTICE
nWhen recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
Page 469 of 620
4697-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)
lFlathead screwdriver
l Small flathead screwdriver
l Lithium battery CR2016 (vehicles without a smart key system), or
CR2032 (vehicles with a smart key system)
Vehicles without a smart key system
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
To prevent the buttons from being
disassembled, face the button sur-
face downward.
Remove the module.
Wireless remote control/electronic key
batter y
: If equipped
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2
Page 470 of 620
4707-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM12J84U)
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery using a small flathead
screwdriver.
Insert a new battery with the “+”
terminal facing up.
Vehicles with a smart key system
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
3
1
2
3
Page 471 of 620

4717-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM12J84U)
nUse a CR2016 (vehicles without a sm art key system) or CR2032 (vehicles
with a smart key system) lithium battery
l Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
l Replace only with the same or equivalent type recommended by the manu-
facturer.
l Dispose of used batteries according to local laws.
n If the key battery is depleted
The following symptoms may occur:
lThe smart key system (if equipped) and wireless remote control will not
function properly.
l The operational range will be reduced.
CAUTION
n Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
NOTICE
nFor normal operation after replacing the battery
Observe the following precautions to prevent accidents:
lAlways work with dry hands.
Moisture may cause the battery to rust.
l Do not touch or move any other component inside the remote control.
l Do not bend either of the battery terminals.
Page 487 of 620

487
8When trouble arises
COROLLA_TMMMS_TMMC_U (OM12J84U)8-1. Essential information
Emergency flashers .......... 488
If your vehicle has to be stopped in an
emergency ...................... 489 8-2. Steps to take in an
emergency
If your vehicle needs to be towed ......................... 491
If you think something is wrong .............................. 496
Fuel pump shut off system ............................ 497
If a warning light turns on or a warning buzzer
sounds ............................ 498
If a warning message or indicator is
displayed ......................... 510
If you have a flat tire.......... 520
If the engine will not start ................................. 532
If the shift lever cannot be shifted from P ............. 534
If the electronic key does not operate
properly ........................... 535
If the vehicle battery is discharged ...................... 538
If your vehicle overheats ........................ 543
If the vehicle becomes stuck ............................... 547
Page 488 of 620
488
COROLLA_TMMMS_TMMC_U (OM12J84U)
8-1. Essential information
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
nEmergency flashers
If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.
Emergency flashers
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in th e road due to a breakdown, etc.
Page 504 of 620

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
Page 506 of 620

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.