If an electric (EV) taxi's dashboard displays a high-voltage insulation fault alarm or smoke/burning odor begins emitting from under the chassis, what is the immediate emergency action?

1. Continue driving to the nearest charging station to plug in the charger
2. Immediately pull over to a safe area, switch off the main vehicle power / ignition, evacuate all passengers at least 50 meters away upwind, set warning markers, and call 119 fire rescue
3. Open the battery casing with metal tools to inspect the battery cells
4. Pour a cup of drinking water onto the charging port