An ambulance in a dream is a often symbol of an emergency – something is happening in your life that requires urgent attention.
If you hearing an ambulance siren in a dream, it can be message that you need to pay attention to something important that is going on around you.
Like all vehicles in dreams, an ambulance can represent part of your journey through life.
If you dream that you are riding in an ambulance, you could be going through a phase in your life that seems very difficult but will ultimately be healing and restorative, preparing you for more difficult times ahead.
Are you the patient in the ambulance, or are you caring for someone else? That will give you an idea of how passive or active you are in your own healing.