1) Where the tutor is not the father or mother of the child, one of the ascendants, or one of the minor's brothers or sisters who has attained majority may apply to the court to give instruction to the tutor concerning the management of the property of the minor. 2) The court shall, after considering the nature of the property of the minor, the ability of the tutor, and the interests of the minor, give instructions it thinks appropriate concerning the management of the property.