All metals around us are corroded with age.
Battery terminal is also corroded with a lead-acid battery.
Gases mix with other elements cause corrosion around the battery.
Leakage of electrolyte
Production of hydrogen gas
Chemical reactions in the copper clamps
Age of the battery
Battery is important for the good performance of the car.
If you don't use Audi for longer, then use soda water to remove the corrosion.
Use liquids like grease or Vaseline to maintain the surface friction.
Make the battery corrosion-free by passing the electricity.
Corrosion on battery terminals of the Audi will decrease its: