Honda 1992 Accord Coupe Owner's Manual page 123

Battery
The condition of the battery can be determined by checking the
test indicator. Service as required according to the label on the
battery.
Any corrosion around the positive and negative terminals should be
washed off with a solution of baking soda and warm water. Dry the
terminals and then coat them with grease.
TEST INDICATOR
The battery gives off explosive gases; keep sparks, flames, and
cigarettes away. Provide adequate ventilation when charging or
using the battery in an enclosed space.
The battery contains sulfuric acid (electrolyte). Contact with
skin or eyes may cause severe burns. Wear protective clothing
and a face shield.
— If electrolyte gets on your skin, flush with water.
— If electrolyte gets in your eyes, flush with water for at least
15 minutes and call a physician immediately.
Electrolyte is poisonous.
— If swallowed, drink large quantities of water or milk and follow
with milk of magnesia or vegetable oil and get immediate
medical assistance.
KEEP OUT OF REACH OF CHILDREN.
TERMINAL TERMINAL