(A) It shall be unlawful for the operator of any vehicle to drive within any sidewalk space except at a permanent or temporary driveway or by special permit from the Chief of Police or other authorized city official.
(B) It shall be unlawful for the operator of any vehicle to drive the vehicle out of any alley, driveway, building, or lot and across a sidewalk, or its extension across the alley, unless the vehicle has been brought to a complete stop immediately prior to crossing the sidewalk or its extension. On entering the roadway from the alley, driveway, or building the operator shall yield the right-of-way to all vehicles approaching on the roadway. The operator of any vehicle intending to cross a sidewalk and turn into an alley from the roadway may do so at low speed and with caution. Penalty, see § 71.99