What happens next in this paragraph?

How to escape if your car is stalled on the tracks of an approaching train
Get out of the car immediately.
Do not honk your horn and expect the train to stop; a train will not be able to come to a complete stop immediately. Even if it is slowing down, it will still plow through you before it can come to a stop.
Choices:
[I] Do not attempt to play chicken with a moving train. It's not backing down; you must.;
[II] Pull out your cell phone from within your handbag or pocket. If your phone has a universal back button, tap and hold it out of view from your handbag or pocket.;
[III] Do not attempt to rush onto the track unless you have absolutely no other choice. This is an undertaking that will take hours.;
[IV] The train's brake lights will be engaged as it begins to come to a complete stop. If the battery is dying, delay getting out.;
[I]