The scheduling order may also include
A schedule shall not be modified except upon a showing of good cause and by leave of the court.
At least one of the attorneys for each party participating in any conference before trial shall have authority to enter into stipulations and to make admissions regarding all matters that the participants may reasonably anticipate may be discussed. If appropriate, the court may require that a party or its representative be present or reasonably available by telephone in order to consider possible settlement of the dispute.
Haw. R. Civ. P. 16