Checking The 12 Volt Battery - Honda Civic Hybrid 2005 Owner's Manual

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TEST INDICATOR WINDOW
Check the condition of the 12 volt
battery monthly by looking at the
test indicator window. The label on
the battery explains the test
indicator's colors.
Check the terminals for corrosion (a
white or yellowish powder). To
remove it, cover the terminals with a
solution of baking soda and water. It
will bubble up and turn brown. When
this stops, wash it off with plain
water. Dry off the battery with a
cloth or paper towel. Coat the
terminals with grease to help prevent
further corrosion.
If additional battery maintenance is
needed, see your dealer or a
qualified technician.
WARNING: Battery posts,
terminals, and related accessories
contain lead and lead compounds.
Wash your hands after handling.
If you need to connect the battery to
a charger, disconnect both cables to
prevent damaging your vehicle's
electrical system. Always disconnect
the negative ( ) cable first, and
reconnect it last.

Checking the 12 Volt Battery

The battery gives off explosive
hydrogen gas during normal
operation.
A spark or flame can cause the
battery to explode with enough
force to kill or seriously hurt you.
Wear protective clothing and a
face shield, or have a skilled
mechanic do the battery
maintenance.
If your vehicle's 12 volt battery is
disconnected or goes dead, the IMA
battery level gauge reading will not
be correct the next time you turn the
ignition switch to ON (II). It will
show less than the actual level
temporarily. It will show the correct
level after you drive for at least 30
minutes.
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