To dream of a windshield represents your ability to see where you are headed in life and make sound decisions based on it. Your ability to think clearly or concentrate without distractions while making decisions.
To dream of a windshield being smashed may reflect conflict or crisis that makes being calm focused decision-making difficult. Negatively, it may reflect your anger, frustration, or conflict with someone who you feel is too intelligent about something wrong you are doing. A wish to stop something from being intelligent about interfering with you.
To dream of kicking out a windshield may reflect feelings about forgoing rational thinking with no regard for appearances. Dangerous or risky decision-making that doesn't care about what anyone else thinks. Feeling that being rational is a stupid idea in a dangerous situation.
To dream of being submerged underwater and then kicking out a windshield may reflect a crisis situation that calls for risky or dangerous decision-making to deal with the problem. You or someone else that need to be a jerk to solve a serious problem. Feeling that being a nice or calm is dangerous in a situation you are experiencing.
A dark or tinted windshield may represent awareness of people in your life that are not telling you what they are really thinking. Decision-making that keeps you guessing or uninformed about true intentions. Feeling that someone is intentionally planning something that they don't want you knowing about. Anxiety about decisions you have no control over. Mysterious decision-making that scares you. Decision making that you are intentionally trying to keep private.
Example: A man dreamed of worrying that bags of water being dropped off the top of a building would hit his windshield. In waking life he was worried that when his pregnant wife's water broke that the chaos would make him so emotional he wouldn't be able to responsibly take her to the hospital.