1. do you have 5/5 water pouches and 5/5 small water bottles before you leave? 2. have you grabbed the 'thingy' from the trashed rover? 3. did you just stop after you 'died'? (cause that's by design you will 'die' due to the detour)
1. Then you should've been able to grab the thingy from the rover. 2. 3. and also you will gain a multiplier on actions you've done/attempted and also unlock other kinds of short cuts as you progress, enjoy da game mate