Most commonly asked questions are addressed at the DMV - General Information link. You may be able to find the answer to your questions immediately on this site. If you need further assistance you may contact them by any of the following methods:
808-270-8080 beginning at 7:45 am one work day prior to the day you wish to take the road test.
County of Maui Service Center
70 E. Kaahumanu Avenue, Suite A-17
Kahului, Maui, Hawaii 96732-2176