2022 TOYOTA COROLLA key battery

7
409
7
Maintenance and care
Maintenance and care
.7-1. Maintenance and care
Cleaning and protecting the
vehicle exterior ............... 410
Cleaning and protecting the
vehicle interior ................ 413
7-2. Maintenance
Maintenance requirements
....................................... 416
7-3. Do-it-yourself maintenance
Do-it-yourself service precau-
tions ................................ 418
Hood ................................. 419
Positioning a floor jack ...... 420
Engine compartment ........ 422
Tires .................................. 429
Tire inflation pressure ....... 444
Wheels.............................. 445
Air conditioning filter ......... 447
Wireless remote control/elec-
tronic key battery ............ 449
Checking and replacing fuses
....................................... 452
Light bulbs ........................ 455

4107-1. Maintenance and care
7-1.Maintenance and care
Working from top to bottom, lib-
erally apply water to the vehicle
body, wheel wells and underside
of the vehicle to remove any dirt
and dust.
 Wash the vehicle body using a
sponge or soft cloth, such as a
chamois.
 For hard-to-remove marks, use
car wash soap and rinse thor-
oughly with water.
 Wipe away any water.
 Wax the vehicle when the water-
proof coating deteriorates.
If water does not bead on a clean sur-
face, apply wax when the vehicle body
is cool.
■Automatic car washes
●Fold the mirrors before washing the
vehicle. Start washing from the front of
the vehicle. Make sure to extend the mirrors before driving.
●Brushes used in automatic car washes may scratch the vehicle sur-
face, parts (wheel, etc.) and harm
your vehicle’s paint.
■High pressure car washes
As water may enter the cabin, do not
bring the nozzle tip near the gaps
around the doors or perimeter of the
windows, or spray these areas continu-
ously.
■When using a car wash (vehicles with entry function)
If the door handle becomes wet while
the electronic key is within the effective range, the door may lock and unlock
repeatedly. In that case, follow the fol-
lowing correction procedures to wash the vehicle:
●Place the key in a position 2 m (6 ft.) or more separate from the vehicle
while the vehicle is being washed.
(Take care to ensure that the key is not stolen.)
●Set the electronic key to battery-sav-ing mode to disable the smart entry &
start system. ( P.122)
■Wheels and wheel ornaments
●Remove any dirt immediately by using
a neutral detergent.
●Wash detergent off with water immedi-
ately after use.
●To protect the paint from damage,
make sure to observe the following
precautions. • Do not use acidic, alkaline or abrasive
detergent
• Do not use hard brushes • Do not use detergent on the wheels
when they are hot, such as after driv-
ing or parking in hot weather
■Brake pads and calipers
Rust may form if the vehicle is parked
with wet brake pads or disc rotors, caus-
ing them to stick. Before parking the vehicle after it is washed, drive slowly
and apply the brakes several times to
dry the parts.
■Bumpers
Do not scrub with abrasive cleaners.
■Plated portions
If dirt cannot be removed, clean the
parts as follows:
●Use a soft cloth dampened with an
approximately 5% solution of neutral
detergent and water to clean the dirt
Cleaning and protecting
the vehicle exterior
Perform cleaning in a manner
appropriate to each compo-
nent and its material.
Cleaning instructions

427
7
7-3. Do-it-yourself maintenance
Maintenance and care
Check the battery as follows.
■Battery exterior
Make sure that the battery termi-
nals are not corroded and that there
are no loose connections, cracks,
or loose clamps.
Te r m i n a l s
Hold-down clamp
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore, observe the fol-
lowing precautions before recharging:
●If recharging with the battery installed
on the vehicle, be sure to disconnect the ground cable.
●Make sure the charger is off when connecting and disconnecting the
charger cables to the battery.
■After recharging/reconnecting the
battery (vehicles with a smart entry & start system)
●Vehicles with entry function: Unlock-ing the doors using the smart entry &
start system may not be possible
immediately after reconnecting the battery. If this happens, use the wire-
less remote control or the mechanical
key to lock/unlock the doors.
●Start the engine with the engine
switch in ACC. The engine may not
start with the engine switch turned off. However, the engine will operate nor-
mally from the second attempt.
●The engine switch mode is recorded
by the vehicle. If the battery is recon-
nected, the vehicle will return the engine switch mode to the status it
was in before the battery was discon-
nected. Make sure to turn off the engine before disconnecting the bat-
tery. Take extra care when connecting
the battery if the engine switch mode prior to discharge is unknown.
If the system will not start even after
multiple attempts, contact any author- ized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Battery
WA R N I N G
■Chemicals in the battery
The battery contains poisonous and corrosive sulfuric acid and may pro-
duce hydrogen gas which is flamma-
ble and explosive. To reduce the risk of death or serious injury, take the fol-
lowing precautions while working on
or near the battery:
●Do not cause sparks by touching
the battery terminals with tools.
●Do not smoke or light a match near
the battery.
●Avoid contact with eyes, skin and
clothes.
●Never inhale or swallow electrolyte.
●Wear protective safety glasses
when working near the battery.
●Keep children away from the bat-
tery.
■Where to safely charge the bat-
tery
Always charge the battery in an open area. Do not charge the battery in a
garage or closed room where there is
insufficient ventilation.

449
7
7-3. Do-it-yourself maintenance
Maintenance and care
■If the key battery is depleted
The following symptoms may occur:
●The smart entry & start system (if equipped) and wireless remote control
will not function properly.
●The operational range will be reduced.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer, local electrical appliance
shops or camera stores.
●Replace only with the same or equiva-
lent type recommended by the manu- facturer.
●Dispose of used batteries according to local laws.
Vehicles without a smart entry &
start system
1 Remove the key cover.
To prevent damage to the key, cover the tip of the flathead screwdriver with a
rag.
2 Remove the battery cover.
If the battery cover is difficult to remove,
lift the edge to remove it.
3 Remove the depleted battery
using a small flathead screw-
driver.
Insert a new battery with the “+” termi-
Wireless remote con-
trol/electronic key bat-
ter y
Replace the battery with a new
one if it is depleted.
As the key may be damaged if
the following procedure is not
performed properly, it is rec-
ommended that key battery
replacement be performed by
any authorized Toyota retailer
or Toyota authorized repairer,
or any reliable repairer.
Items to prepare
Replacing the battery

4507-3. Do-it-yourself maintenance
nal facing up.
4 Install the battery cover with the
tab facing up.
Push the entire edge of the battery
cover into the key.
5 Install the key cover.
Align the key cover with the key and
then press it straight into the key.
Make sure that the key cover is securely installed without any gaps
between it and the key.
6 Operate the or switch
and check that the doors can be
locked/unlocked.
Vehicles with a smart entry &
start system
1 Release the lock and remove
the mechanical key.
2 Remove the key cover.
To prevent damage to the key, cover
the tip of the flathead screwdriver with a rag.
3 Remove the depleted battery
using a small flathead screw-
driver.
When removing the cover, the elec- tronic key module may stick to the
cover and the battery may not be visi-
ble. In this case, remove the electronic key module in order to remove the bat-
tery.
Insert a new battery with the “+” termi-

451
7
7-3. Do-it-yourself maintenance
Maintenance and care
nal facing up.
4 When installing the key cover
and mechanical key, install by
conducting step 2 and step 1
with the directions reversed.
5 Operate the or switch
and check that the doors can be
locked/unlocked.
WA R N I N G
■Battery precautions
Observe the following precautions.
Failure to do so may result in death or
serious injury.
●Do not swallow the battery. Doing
so may cause chemical burns.
●A coin battery or button battery is
used in the wireless remote con- trol/electronic key. If a battery is
swallowed, it may cause severe
chemical burns in as little as 2 hours and may result in death or
serious injury.
●Keep away new and removed bat-
teries from children.
●If the cover cannot be firmly closed,
stop using the wireless remote con-
trol/electronic key and stow the key in the place where children cannot
reach, and then contact any author-
ized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
●If you accidentally swallow a battery or put a battery into a part of your
body, get emergency medical atten-
tion immediately.
■To prevent battery explosion or
leakage of flammable liquid or gas
●Replace the battery with a new bat-
tery of the same type. If a wrong type of battery is used, it may
explode.
●Do not expose batteries to
extremely low pressure due to high
altitude or extremely high tempera- tures.
●Do not burn, break or cut a battery.
■Lithium battery precautions
CAUTION RISK OF EXPLOSION IF BATTERY
IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES
ACCORDING TO THE INSTRUC-
TIONS
NOTICE
■When replacing the battery
Use a flathead screwdriver of appro-
priate size. Applying excessive force
may deform or damage the cover.
■For normal operation after
replacing the battery
Observe the following precautions to
prevent accidents:
●Always work with dry hands. Moisture may cause the battery to
rust.
●Do not touch or move any other
component inside the remote con-
trol.
●Do not bend either of the battery
terminals.

8
461
When trouble arises
8
When trouble arises
.8-1. Essential information
Emergency flashers .......... 462
If your vehicle has to be
stopped in an emergency
....................................... 462
If the vehicle is submerged or
water on the road is rising
....................................... 464
8-2. Steps to take in an emer-
gency
If your vehicle needs to be
towed .............................. 465
If you think something is wrong
....................................... 469
Fuel pump shut off system
....................................... 470
If a warning light turns on or a
warning buzzer sounds... 471
If a warning message is dis-
played ............................. 480
If you have a flat tire (vehicles
with an emergency tire punc-
ture repair kit) ................. 482
If you have a flat tire (vehicles
with a spare tire) ............. 498
If the engine will not start .. 509
If you lose your keys ......... 511
If the electronic key does not
operate properly ............. 511
If the vehicle battery is dis-
charged .......................... 513
If your vehicle overheats ... 518
If the vehicle becomes stuck
....................................... 520

5108-2. Steps to take in an emergency
tions may be loose or corroded.
( P.427)
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key bat-
tery depletion or a blown fuse.
However, an interim measure is
available to start the engine.
( P.510)
One of the following may be the
cause of the problem:
 The battery may be discharged.
( P.513)
 One or both of the battery termi-
nals may be disconnected.
( P.427)
 There may be a malfunction in
the steering lock system.
Contact any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer if the problem cannot
be repaired, or if repair procedures are
unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine
if the engine switch is functioning
normally.
Do not use this starting procedure
except in case of emergency.
1 Set the parking brake. (P.172,
173)
2 Check that the shift lever is in P
(Multidrive) or N (manual trans-
mission).
3 Turn the engine switch to ACC.
4 Press and hold the engine
switch for about 15 seconds
while depressing the brake
pedal (Multidrive) or clutch
pedal (manual transmission)
firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by any authorized Toyota
retailer or Toyota authorized repairer, or
any reliable repairer.
The starter motor does not
turn over (vehicles with a
smart entry & start system)
The starter motor does not
turn over, the interior lights
and headlights do not turn
on, or the horn does not
sound.
Emergency start function
(vehicles with a smart entry
& start system)