8-2-7: EMERGENCY VEHICLES:
   A.   Certain Vehicles Designated: The provisions of this Title regulating the operation, parking and standing of vehicles shall not apply to vehicles operated by the Police or Fire Department, any ambulance or any public utility vehicle which has qualified as an authorized emergency vehicle, when any vehicle mentioned in this Section is operated in the manner specified by the Vehicle Code in response to an emergency call.
   B.   Due Care: The foregoing exemptions shall not, however, relieve the operator of any such vehicle from obligation to exercise due care for the safety of others or the consequences of his wilful disregard of the safety of others.
   C.   Mail Delivery 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 or operated by the United States Post Office department while in use for the collection, transportation or delivery of United States mail. (Ord. 659, 3-13-1967)