2010 TOYOTA COROLLA battery

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Battery
Check the battery as follows.
■ Battery exterior
Make sure that the battery terminals 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
Ground cable
■ Checking battery fluid
Check the battery condition using the indicator color.
Type A
Blue: Good condition
White: Charging is necessary.
Have the vehicle inspected by
your Toyota dealer.
Red: Not working properly.
Have the vehicle checked by
your Toyota dealer.

326 4-3. Do-it-yourself maintenance
Type BGreen: Good condition
Dark: Charging is necessary.
Have the vehicle inspected by
your Toyota dealer.
Clear or light yellow: Not
working properly. Have the
vehicle checked by your
Toyota dealer.
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, before recharging:
●If recharging with the battery installed on the vehicle, be sure to discon-
nect the ground cable.
● Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the battery.
■ After recharging the battery (vehicles with smart key system)
The engine may not start. Follow the procedure below to initialize the sys-
tem.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
STEP 1
STEP 2
STEP 3

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Maintenance and care
CAUTION
■
Chemicals in the battery
A battery contains poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk 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 not sufficient ventilation.
■ How to recharge the battery
Only perform a slow charge (5 A or less). The battery may explode 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 get immedi-
ate medical attention. If possible, continue to apply water with 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. Follow with milk of magnesia,
beaten raw egg or vegetable oil. Get emergency medical attention immedi-
ately.

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Washer fluidFor vehicles sold in U.S.A. Check the washer fluid level on
the level gauge. If the washer
fluid level is at “LOW”, add
washer fluid.
For vehicles sold in Canada
If any washer does not work or the low windshield washer fluid warn-
ing light comes on, the washer tank may be empty. Add washer fluid.
NOTICE
■ When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
CAUTION
■When refilling the washer fluid
Do not refill the washer fluid when t he engine is hot or running, as the
washer fluid contains alcohol and may catch fire if spilled on the engine
etc.

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4-3. Do-it-yourself maintenance
Key batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with a rag.)
● Small Phillips-hea d screwdriver
● Lithium battery
Vehicles with smart key system: CR1632
Vehicles without smart ke y system: CR2025 (Type A)
CR2016 (Type B)
■ Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.
STEP 1
STEP 2

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Maintenance and care
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
■
Replacing the battery (vehicles without smart key system)
Remove the cover.
Remove the module.
STEP 3
STEP 1
STEP 2

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Ty p e AOpen the case cover using a
flathead screwdriver pro-
tected with tape etc. and
remove the depleted battery.
Insert a new battery (CR2025)
with the “+” terminal facing up.
Ty p e BOpen the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery (CR2016)
with the “+” terminal facing up.
STEP 3
STEP 3

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Maintenance and care
■
If the key battery is discharged
The following symptoms may occur.
●The smart key system and wireless remote control will not function prop-
erly.
● The operational range is reduced.
■ Use the following types of lithium battery
Vehicles with smart key system: CR1632
Vehicles without smart key system: CR2025 (Type A), CR2016 (Type B)
●Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by your
Toyota dealer.
● Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
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 components inside the remote control.
● Do not bend either of the battery terminals.