<ol><li>Weak or Warm Airflow</li><li>Unusual Noises</li><li>Unpleasant Odors</li><li>Water Leaks Inside the Cabin</li><li>Reduced Cooling Over Time</li><li>AC Takes Longer to Cool</li><li>Visible Refrigerant Leaks</li><li>Dashboard Warning Lights</li></ol>