Haw. Rev. Stat. § 291C-134
(c) A neighborhood electric vehicle shall have a notice of the operational restrictions applying to the vehicle permanently attached to or painted on the vehicle in a location that is in clear view of the driver.
[(d)] The director of transportation shall adopt rules pursuant to chapter 91 as may be necessary to regulate the use of neighborhood electric vehicles.
[L 1999, c 262, §§3(1), 4]
Subsection (d) codified to this section pursuant to §23G-15.