Question: How to clean dirty battery terminals.
Option 0: Add a small amount of white vinegar to a cup. With a small paint brush dipped into vinegar, gently wipe the battery terminals to neutralize anything left behind. Let terminals dry thoroughly and insert new battery.
Option 1: Add a small amount of balsamic vinegar to a cup. With a small paint brush dipped into vinegar, gently wipe the battery terminals to neutralize anything left behind. Do not let terminals dry, insert new battery.
Answer: 0