Dreams about driving often symbolize control and direction in your life. The fogged windshield suggests a lack of clarity or uncertainty about your current path or decisions. You might feel like you are in a situation where you cannot see things clearly, which could relate to your work or personal life.

Turning on the defrost indicates your desire to gain clarity and resolve issues, but since it didn't help, this might reflect feelings of frustration or helplessness in a current situation. Rolling down the window and sticking your head out could symbolize your attempt to gain a new perspective or to find a way out of a difficult situation. However, the impending crash suggests that you might be feeling overwhelmed or fearful about the consequences of your choices.

Waking up just before the impact signifies a moment of realization or an instinctive reaction to avoid a negative outcome. It might be beneficial to reflect on any areas in your life where you feel stuck or uncertain, and consider what steps you can take to regain control and clarity. This dream could be urging you to address these feelings before they lead to a crisis.