Dreaming about driving a truck and being unable to brake can symbolize a feeling of being out of control in your waking life. The truck represents your life and the inability to brake reflects a lack of control over your actions and decisions. This dream may be a warning to slow down and take a break before you lose control completely. It could also suggest that you are facing obstacles or challenges that are preventing you from moving forward in your life. The fact that you are using all your strength to brake but it still won’t stop could indicate that you are feeling overwhelmed and exhausted in your waking life. It may be time to reevaluate your priorities and find ways to regain control over your life. Alternatively, this dream could also represent a fear of losing control or making a mistake that could have serious consequences. Consider the areas of your life where you feel like you are struggling to maintain control and find ways to address them before they become too overwhelming.