The necessary condition for liability is that the head of the family provided that car for general family use. If the head of the family does not "own, maintain, or furnish" the car for general family use, he is not liable.
If you purchase a vehicle for your family members, please make sure you have plenty of liability coverage to protect your assets in the event a family member negligently causes injuries to another.
Being hit by another car can happen at any time and in any place. What happens if someone hits you in a