Dreaming of a car accident reminds the dreamer that the current work life has deviated from the normal track and should be corrected in time.
Dreaming of a car accident in the park implies that you are very worried about the current situation of your family-health, work, career, etc.
Dreaming of an office car accident implies that you are eager to get good grades in your work, but there is some resistance at present.
Dreaming of a flight accident implies that you have recently lacked confidence and lost confidence in others.