US Patent 9884611 Delegating control of a vehicle

An identification of a vehicle is received. An identification of a first user to receive delegation of control of the vehicle is received. Authentication information for the first user for the vehicle is determined. A request to authenticate the first user for delegation of control of the vehicle to the first user is received. The request to authenticate includes at least the authentication information for the first user is determined. Responsive to the determination, control of the vehicle is delegated to the first user.