What immediate sequence of actions must a driver take upon experiencing a breakdown or emergency stop on a public road?

1. Turn on hazard warning lights, pull as far onto the right shoulder as possible, put on a reflective safety vest, place the warning triangle, and ensure passengers exit safely on the side away from traffic
2. Leave the vehicle in the center of the lane and walk away to find a mechanic
3. Turn off all lights, remain seated inside the car, and wait for daylight
4. Immediately begin dismantling the engine on the active traffic lane