The provisions of this chapter do not apply to the following:
1. A vehicle in an enclosed building.
2. A vehicle on the premises of a business enterprise operated in a district properly zoned therefor, as authorized under the Zoning Ordinance or restricted residence district of the City, when necessary to the operation of said business enterprise.
3. A vehicle in an appropriate storage space or depository maintained in a lawful place and lawful manner by this City.