Toyota 2011 Avalon Quick Reference Manual page 428

Battery
Check the battery as follows.
n Battery exterior
Make sure that the battery terminals are not corroded and that
there are no loose connections, cracks, or loose clamps.
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.
AVALON_U (OM41428U)
4-3. Do-it-yourself maintenance
Terminals
Hold-down clamp
I n f o r ma t i o n P r o v i d e d b y :
4
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