Posted on 10/31/2025
Many car owners don’t think about the battery until the engine refuses to start. But long before that happens, subtle signs often point to a battery problem, and one of the most common culprits is dirty or corroded terminals. These connection points might look small, but they carry the power from your battery to the entire electrical system. If the terminals are corroded or loose, your car may struggle to start, your lights might flicker, and sensitive electronics could malfunction. Cleaning battery terminals is one of the easiest ways to improve reliability and prevent starting issues. Here’s how to recognize when they need attention. Signs Your Battery Terminals Might Be Dirty or Corroded Corrosion looks like a white, greenish, or bluish powder around the battery posts and cable ends. It forms when battery acid vapors leak and react with the metal. Here are some symptoms that suggest your terminals might be the problem: The engine cranks slowly or req ... read more