Toyota TUNDRA 2009 Manual page 485

4-3. Do-it-yourself maintenance
Type B
Before recharging
n
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, before recharging:
l If recharging with the battery installed on the vehicle, be sure to discon-
nect the ground cable.
l Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the battery.
CAUTION
n 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 bat-
tery:
l Do not cause sparks by touching the battery terminals with tools.
Do not smoke or light a match near the battery.
l
l Avoid contact with eyes, skin and clothes.
l Never inhale or swallow electrolyte.
Wear protective safety glasses when working near the battery.
l
l Keep children away from the battery.
490
Green: Good condition
Dark: Charging is necessary.
Have the vehicle inspected by
your Toyota dealer.
Clear or light yellow: Not work-
ing properly, have the battery
checked by
dealer.
your Toyota