By 3:30, the loneliness and anxiety were overwhelming. She pressed Help. Then she fumbled with her compact camera and recorded a three-minute video, sobbing as she described her predicament. A few minutes later, she pressed 911—an act she would regret later, after the weather eased up and she walked to safety under her own steam.
http://www.outsideonline.com/outdoor-adventure/outdoor-skills/survival/Panic-Button.html?page=1