6-1-7: EXEMPTIONS TO CERTAIN VEHICLES:
   A.   Authorized Emergency Vehicles: The provisions of this title regulating the operation, parking and standing of vehicles shall not apply to any vehicle of the police or fire department, any public ambulance or any public utility vehicle or any private ambulance, which public utility vehicle or private ambulance has qualified as an authorized emergency vehicle, when any vehicle mentioned in this section is operated in the manner specified in the Vehicle Code in response to an emergency call.
   B.   Disregard For Safety: The foregoing exemptions shall not, however, protect the driver of any such vehicles from the consequences of the driver's wilful disregard of the safety of others.
   C.   Utility And Government Vehicles: The provisions of this title regulating the parking or standing of vehicles shall not apply to any vehicle of a city department or public utility while necessarily in use for construction or repair work or any vehicle owned by the United States while in use for the collection, transportation or delivery of United States mail. (Ord. 178, 4-20-1959)