FORD 2000 Focus - Manual (Page 204)

Maintenance and care
204
If you see any corrosion on the
battery cablesor terminals, remove
the cablesfrom the terminalsand
clean with a wire brush. You can
neutralize the acid with a solution
of baking soda and water. Reinstall
the cableswhen you are done
cleaning them, and apply a small
quantity of grease to the top of
each battery terminal to help
prevent corrosion.
If your battery has a
cover/shield, make sure it is
reinstalled after the battery has
been cleaned or replaced.
Batteriesnormally produce
explosive gases which can
cause personal injury. Therefore,
do not allow flames, sparks or
lighted substances to come near
the battery. When working near
the battery, alwaysshield your
face and protect your eyes.
Alwaysprovide proper
ventilation.