Side-by-side Vehicles; Authorizes operation of side-by-side vehicles; requires side-by-side vehicles to have certain equipment; prohibits persons under certain age from operating side-by-side vehicle on public road or street; authorizes local governmental entities to enact certain ordinances pertaining to side-by-side vehicles; authorizes operation of side-by-side vehicles in retirement community; authorizes local governmental entities to enact certain ordinances pertaining to side-by-side vehicles; authorizes operation of side-by-side vehicles; authorizes law enforcement agencies to operate side-by-side vehicles; defines "side-by-side vehicle" & "UTV"; exempts person from obtaining driver's license when operating side-by-side vehicle.