Dreams about cars often symbolize your journey in life and how in control you feel over that journey. In your dream, the inability to stop the car despite pressing the brake pedal may indicate feelings of being overwhelmed or a lack of control in some aspect of your life. This could relate to personal or professional challenges you are currently facing.

Bumping into another car and causing a dent might reflect feelings of guilt or anxiety about your impact on others. You may be worried about how your actions affect those around you, especially in a work context.

Entering the donut shop, which seems dark and where the staff is idle, could signify a feeling of being unprepared or out of place in your work environment. The fact that you weren't wearing the proper shoes suggests a sense of inadequacy or that you might feel unready for the responsibilities ahead of you.

Overall, this dream may be urging you to reflect on your current situation, address areas where you feel out of control, and consider how you can prepare yourself better for upcoming challenges. It might be beneficial to take some time to evaluate your work environment and your readiness to face it.