(b) The driver of an authorized emergency vehicle may:
(1) Park or stand, irrespective of the provisions of this chapter;
(2) Proceed past a red or stop signal or stop sign, but only after slowing down as may be necessary for safe operation;
(3) Exceed the speed limits so long as he does not endanger life or property;
(4) Disregard regulations governing direction of movement of turning in specified directions.
(c) The exemptions herein granted to an authorized emergency vehicle shall apply only when the driver of any said vehicle while in motion sounds audible signal by bell, siren, or exhaust whistle as may be reasonably necessary, and when the vehicle is equipped with at least one lighted flashing lamp as authorized by section twenty-six, article fifteen of this chapter which is visible under normal atmospheric conditions from a distance of five hundred feet to the front of such vehicle, except that an authorized emergency vehicle operated as a police vehicle need not be equipped with or display a warning light visible from in front of the vehicle.
(d) The foregoing provisions shall not relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons, nor shall such provisions protect the driver from the consequences of his reckless disregard for the safety of others.