Final answer:
In case of a collision, reporting to the DMV is crucial for official documentation, legal requirements, and insurance claims, especially if there is significant damage or someone is uninsured.
Step-by-step explanation:
When you are involved in a collision, it is important to report the incident to the Department of Motor Vehicles (DMV). This is especially crucial if there is significant damage or if any party involved does not have car insurance. Reporting a collision helps to document the incident officially, which may be required by law and is important for insurance claims and legal purposes. Each state has specific laws regarding when and how a collision should be reported to the DMV, so it's important to be familiar with your local requirements.