Honda ACCORD Owner's Manual page 324

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.
326
Maintenance
Charging the battery with the cables
connected can seriously damage your
car's electronic controls. Detach the
battery cables bef ore connecting the
battery to a charger.
If your car's battery is disconnected
or goes dead, the AUTO feature of
the driver's window will be disabled.
You should reset the AUTO feature
(see page 105 ).