Seek treatment for your injuries as soon as possible. Even if you don't feel like you're injured, see a doctor, anyway. You body can go into shock after an accident, causing you not to feel any pain or discomfort. Also, some injuries do not cause any symptoms for days, weeks, or even months.
Seeing a doctor right after your accident can help uncover and document the full extent of any injuries you have, which will in turn help your #attorney as they fight the insurance companies.