Final answer:
After a reportable car accident, it is crucial to notify the Motor Vehicle department or police within a few days, with the exact time frame varying by jurisdiction.
Step-by-step explanation:
When involved in a reportable car accident, it is typically required by law to notify the local Motor Vehicle department or police within a certain time frame. Although this time frame can vary by jurisdiction, many places require that the incident be reported within a few days, often ranging from immediately up to 10 days. Notifying authorities promptly ensures that the accident is properly documented, which is important for insurance and legal matters. It is always best to check the specific requirements of your local jurisdiction as soon as possible following an accident.