(a) A motorized scooter shall comply with one of the following:
(1) Operate in a manner so that the electric motor is disengaged or ceases to function when the brakes are applied.
(2) Operate in a manner so that the motor is engaged through a switch or mechanism that, when released, will cause the electric motor to disengage or cease to function.
(b) It is unlawful for a person to operate a motorized scooter that does not meet one of the requirements of subdivision (a).