Hawaii Revised Statutes Division 2. Business § 431:10C-805

(a) A motor vehicle insurer that defends or indemnifies a liability claim against a shared car owner or shared car driver that is excluded under the terms of the shared car owner's or shared car driver's policy shall have a right to seek to recover from the peer-to-peer car-sharing program or its motor vehicle insurer if the liability claim is made against the shared car owner or shared car driver for injury or damage that occurs during the car-sharing period.

(b) A motor vehicle insurer that pays personal injury protection benefits for injury sustained by an occupant of, or by a pedestrian when struck by, a shared car when the obligation to pay personal injury protection benefits is excluded under the shared car owner's or shared car driver's policy shall have the right to seek to recover from the peer-to-peer car-sharing program or its motor vehicle insurer if the injury occurs during the car-sharing period.

(c) A motor vehicle insurer that pays uninsured motorist benefits or underinsured motorist benefits for injury sustained by an occupant of a shared car when the obligation to pay uninsured motorist benefits or underinsured motorist benefits is excluded under the shared car owner's or shared car driver's policy shall have the right to seek to recover from the peer-to-peer car-sharing program or its motor vehicle insurer if the injury occurs during the car-sharing period.

(d) A motor vehicle insurer that pays a shared car owner for loss or damage to a shared car that is excluded under the comprehensive physical damage coverage or collision physical damage coverage of the shared car owner's or shared car driver's policy shall have the right to seek to recover from the peer-to-peer car-sharing program or its motor vehicle insurer if the loss or damage to the shared car occurs during the car-sharing period.