2012 TOYOTA AYGO battery

250 4-2. Maintenance
AYGO_WE_99E96E
CAUTION
If your vehicle is not properly maintained
Improper maintenance could result in serious damage to the vehicle and
possible death or serious injury.
Handling of the battery
Battery posts, terminals and related accessories contain lead and lead com-
pounds which are known to cause brain damage. Wash your hands after
handling. (P. 266)

251
4
Maintenance and care
AYGO_WE_99E96E
4-3. Do-it-yourself maintenance
Do-it-yourself ser vice precautions
If you perform maintenance by yourself, be sure to follow the correct
procedures as given in these sections.
ItemsParts and tools
Battery condition (P. 266)•Warm water
• Baking soda
• Grease
• Conventional wrench
(for terminal clamp bolts)
Engine coolant level (P. 264)• “Toyota Super Long Life Coolant”
or a similar high quality ethylene
glycol-based non-silicate, non-
amine, non-nitrite and non-borate
coolant with long-life hybrid
organic acid technology. “Toyota
Super Long Life Coolant” is pre-
mixed with 50% coolant and 50%
deionized water.
• Funnel (used only for adding cool-
ant)
Engine oil levelP. 261)• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding
engine oil)
Fuses (P. 282)• Fuse with same amperage rating
as original
Light bulbs (P. 292)• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser
(P. 266)

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AYGO_WE_99E96E
CAUTION
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury, observe the following precautions:
When working on the engine compartment:
Keep hands, clothing and tools away from the moving fan and engine
drive belt.
Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
Do not leave anything that may burn easily, such as paper and rags, in the
engine compartment.
Do not smoke, cause sparks or expose an open flame to fuel or the bat-
tery. Fuel and battery fumes are flammable.
Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
Take care because brake fluid can harm your hands or eyes and damage
painted surfaces. If fluid gets on your hands or in your eyes, flush the
affected area with clean water immediately.
If you still experience discomfort, consult a doctor.
ItemsParts and tools
Tire inflation pressure (P. 275)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 269)• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding
water or washer fluid)

260
4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
Engine compartment
Washer fluid tank (P. 269)
Engine oil level dipstick
(P. 261)
Engine oil filler cap
(P. 262)
Fuse box (P. 282)Battery (P. 266)
Engine coolant reservoir
(P. 264)
Condenser (P. 266)
Electric cooling fan
Radiator (P. 266)

266 4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
Radiator and condenser
Check the radiator and condenser and clear away any foreign
objects.
If either of the above parts are extremely dirty or you are not sure of
their condition, have your vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
Battery
Check the battery as follows.
Caution symbols
The meanings of each caution symbol on the top of the battery are as
follows:
CAUTION
When the engine is hot
Do not touch the radiator or condenser as they may be hot and cause seri-
ous injuries, such as burns.
No smoking, no naked
flames, no sparksBattery acid
Shield eyesNote operating
instructions
Keep away from chil-
drenExplosive gas

267 4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96EBattery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clamp
Checking battery fluid
Check the battery condition by indicator color.
Green: Good condition
Dark: Charging is necessary.
Have the vehicle inspected by
any authorized Toyota dealer
or repairer, or another duly
qualified and equipped profes-
sional.
White: Not working properly.
Have the vehicle inspected by
any authorized Toyota dealer
or repairer, or another duly
qualified and equipped profes-
sional.

268 4-3. Do-it-yourself maintenance
AYGO_WE_99E96E
Before recharging
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, observe the following 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.
CAUTION
Chemicals in the battery
Batteries contain 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 insufficient 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.

269 4-3. Do-it-yourself maintenance
4
Maintenance and care
AYGO_WE_99E96E
Washer fluid
If any washer does not work, the
washer tank may be empty. Add
washer fluid.
CAUTION
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. Get emergency medical attention
immediately.
NOTICE
When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.