tracy christensen/wasatc backcountry rescue--rossen two shot car @ 11:18:45 tracy: you can pick this up anywhere. couple of things that are really important. at least a liter of water, some snacks some fruit. flashlight. batteries. some hand warmers, great items. help keep your extremities warm. jeff: and those are cheap in the store? tracy: oh h ah and they're great. jeff: and you have a blanket here too. you said that's super important. tracy: this is one of the most important things you can have. just a little bit of warmth. wrap this around yourself. wrap around... keep your core temperature warm like this. (11:20:18) jeff: so with these tips and this very minimal equipment, you can stay alive for 24-48 hours. tracy: yes you can survive for 24-48 hours, we will find you . >> jeff rossen reporting. just to give you an idea of how dangerous it is to leave your car... experts say in temperatures below freezing, hypothermia can set in within ten to 15 minutes. and another important tip herere if you are going on a road trip in the winter time, experts say tell someone where you're go