A. Upon the immediate approach of an authorized emergency vehicle which makes use of proper audible or visual signals.
1. The driver of any other vehicle shall yield the right-of-way and shall immediately drive to a position parallel to and as close as possible to the right-hand edge or curb of the street, or to either edge or curb of a one-way street, clear of any intersection, and shall stop and remain in such position until such emergency vehicle passes, unless otherwise directed by any police officer;
2. Any pedestrian using such street shall yield the right-of-way until such emergency vehicle passes, unless otherwise directed by any police officer.
B. This section shall not relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons using the street.