Haw. Rev. Stat. § 286-109.4: Designation of advance health-care directive.

On the application form for any driver's license or license renewal, the examiner of drivers shall ask the applicant to designate whether the applicant has an advance health-care directive. The examiner of drivers shall issue or renew a license bearing the designation "advance health-care directive", a symbol, or an abbreviation thereof, for those applicants who have so indicated. "Advance health-care directive" means an individual instruction in writing, a living will, or a durable power of attorney for health care decisions. No specific medical treatment information shall be imprinted on the driver's license.