Elias has only two liters of water left. He follows the "sip, don't gulp" rule, but more importantly, he breathes only through his nose and avoids talking to keep his mouth from drying out. He knows that finding water in the open desert is a gamble that usually costs more sweat than it's worth, so he stays put. Priority 3: Signaling
It provides shade, tools, and is easier for rescuers to find. [S2E2] Desert Survivor
A simple mirror or a high-contrast "X" on the ground can save your life. Elias has only two liters of water left