2019 TOYOTA SEQUOIA battery

4036-3. Do-it-yourself maintenance
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Maintenance and care
SEQUOIA_OM_USA_OM0C013U_19MY
WARNING
■Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the ri sk of death
or serious injury, take the following 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 battery.
■ Where to safely charge the battery
Always charge the battery in an open area. Do not charge the battery in a
garage or closed room where there is insufficient ventilation.
■ How to recharge the battery
Only perform a slow charge (5 A or less). The battery may explo de if
charged at a quicker rate.
■ Emergency measures regarding electrolyte
● If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and ge t immedi-
ate medical attention. If possible, continue to apply water wit h a sponge or
cloth while traveling to the nearest medical facility.
● If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
● If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
● If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.

4046-3. Do-it-yourself maintenance
SEQUOIA_OM_USA_OM0C013U_19MY
Add washer fluid in the following
situations:
●A washer does not work.
● The warning message appears
on the multi-information display.
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
Washer fluid
WARNING
■When adding washer fluid
Do not add washer fluid when the engine is hot or running as wa sher fluid
contains alcohol and may catch fire if spilled on the engine, etc.
NOTICE
■ Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces, as well as
damaging the pump leading to problems of the washer fluid not spraying.
■ Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.

4246-3. Do-it-yourself maintenance
SEQUOIA_OM_USA_OM0C013U_19MY
Wireless remote control batter y
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2016
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
Remove the module.
Open the case cover using a
coin protected with tape, etc.,
and remove the depleted bat-
tery.
Insert a new battery with the “+”
terminal facing up.
Replace the battery with a n ew one if it is depleted.
You will need the following items:
Replacing the battery
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4256-3. Do-it-yourself maintenance
6
Maintenance and care
SEQUOIA_OM_USA_OM0C013U_19MY
■Use a CR2016 lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the wireless remote control battery is depleted
The following symptoms may occur:
●The wireless remote control will not function properly.
● The operational range will be reduced.
■ When replacing the module
Replace the module from right above.
Replacing it from diagonally above may
prevent the key buttons from operating
properly.
WARNING
■Removed battery a nd 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
■ 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 cont rol.
● Do not bend either of the battery terminals.

437
When trouble arises7
SEQUOIA_OM_USA_OM0C013U_19MY7-1. Essential information
Emergency flashers .......... 438
If your vehicle has to be stopped in an
emergency ...................... 439
7-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 441
If you think something is wrong .............................. 446
Fuel pump shut off system ............................ 447
If a warning light turns on or a warning buzzer
sounds ............................ 448
If a warning message is displayed......................... 457
If you have a flat tire.......... 465
If the engine will not start ................................. 479
If the vehicle battery is discharged ...................... 480
If your vehicle overheats ... 484
If the vehicle becomes stuck ............................... 487

4387-1. Essential information
SEQUOIA_OM_USA_OM0C013U_19MY
Emergency flashers
Press the switch.
All the turn signals will flash.
To turn them off, press the switch
once again.
■Emergency flashers
If the emergency flashers are used for a long time while the en gine is not
operating, the battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.

4797-2. Steps to take in an emergency
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7
When trouble arises
If the engine will not star t
One of the following may be the cause of the problem:
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting proc edures.
(  P. 198)
● There may be a malf unction in the engine immobilizer system.
(  P. 74)
One of the following may be the cause of the problem:
● The battery may be discharged. ( P. 480)
● The battery terminal connecti ons may be loose or corroded.
One of the following may be the cause of the problem:
● One or both of the battery t erminals may be disconnected.
● The battery may be discharged. ( P. 480)
Contact your Toyota dealer if the problem cannot be repaired, o r if repair
procedures are unknown.
If the engine will not start eve n though correct starting proce -
dures are being followed ( P. 198), consider each of the follow-
ing points:
The engine will not start even t hough the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and he ad-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over, the interior lights and h ead-
lights do not turn on, o r the horn does not sound.

4807-2. Steps to take in an emergency
SEQUOIA_OM_USA_OM0C013U_19MY
If the vehicle batter y is discharged
If you have a set of jumper (or booster) cables and a second ve hicle
with a 12-volt battery, you can jump start your vehicle by foll owing the
steps below.
Confirm that the key and wire-
less remote control are being
carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate
and doors locked. ( P. 78)
Open the hood ( P. 393)
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can also call your Toyota de aler or a qualified repair shop.
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