Dream about riding in a crowded car denotes your thought process and rational thinking. You look out for those who are near and dear to you. Perhaps you need to be more sensible. This is an indication for the womb and nurturance. You are stretching yourself too thin, either financially, physically, emotionally or time-wise.
Riding in a crowded car dream is a signal for the nurturing aspect of your own character. You may be taken for a ride or being manipulated in some situation. You are searching for your identity and finding yourself. It hints the hustle and bustle of your life. You are playing with fire.
If you dreamt about riding in a crowded car:
Right now you are playing the role of the teacher as well as that of the student. You are gathering important information from those who are wiser than you. At the same time, you should feel free to pass your knowledge on to others to help them grow.