It depends on the laws and regulations in your jurisdiction. In many places, you are required to maintain car insurance on any vehicle that is registered with the state, regardless of whether or not it is currently running or being driven. This is because even a non-running car can still cause damage or be involved in an accident, potentially leading to legal liability for the owner.
It's important to check with your local Department of Motor Vehicles (DMV) or insurance regulator to understand the specific rules and requirements in your area, as they may vary. Some jurisdictions may offer limited-use or storage insurance options for vehicles that are not actively driven. Make sure to comply with applicable laws to avoid potential fines or legal consequences.