This dream may symbolize your feelings of being out of control in a situation or relationship in your waking life. The coworker represents a part of yourself that you are not familiar with or do not fully understand. The fact that you barely know this coworker could suggest that you are not fully aware of this aspect of yourself. The car represents your journey or path in life, and the fact that you do not have a car of your own could symbolize a lack of direction or control in your life. The steering wheel being on the passenger side could represent a lack of control over your own decisions and actions. The act of smoking could symbolize a desire to escape or numb yourself from your current reality. Overall, this dream may be a reflection of your feelings of being overwhelmed and unsure of yourself in a situation or relationship.