755 ILCS 5/11a-15
Upon the death, incapacity, resignation or removal of a guardian of the estate or person of a living ward, the court shall appoint a successor guardian or terminate the adjudication of disability. The powers and duties of the successor guardian shall be the same as those of the predecessor guardian unless otherwise modified.
Notice of the time and place of the hearing on a petition for the appointment of a successor guardian shall be given not less than 3 days before the hearing for a successor to a temporary guardian and not less than 14 days before the hearing for a successor to a limited or plenary guardian. The notice shall be by mail or in person to the alleged person with a disability, to the proposed successor guardian, and to those persons whose names and addresses are listed in the petition for adjudication of disability and appointment of a guardian under Section 11a-8. The court, upon a finding of good cause, may waive the notice requirement under this Section.
755 ILCS 5/11a-15