If you have dreamed of sitting in a white car: But try to be a little more balanced in your words, Competitive environments or challenging issues may cause you to move in a new direction. To sit in a white car in a dream refers to a person who lives a happy life as an example, smiles, good luck and a full life. Sleeping in a white car in a dream means meeting a naive and well-intentioned person and setting out on the same path as this person.