(A) The Chief of Police or some other employee of the city shall thoroughly and carefully examine each taxicab before a license is granted to operate the same. No taxicab license shall be issued for any taxicab which does not comply with the following:
(1) It shall be in a thoroughly safe condition for the transportation of passengers;
(2) It shall be clean and of good appearance;
(3) It shall have windows sufficient to permit ready identification of persons riding therein.
(B) Such other examinations and tests of licensed taxicabs may be ordered by the Manager as deemed advisable. The Manager shall maintain a constant vigilance to see that all taxicabs are kept in fitness for public service.
(`89 Code, § 123.070)