Welcome. There are no old threads here. This site and it's links are rich in information. Urban survival shares one commonality with wilderness;ever changing and different circumstances. The car is your ark,but aside from carried supplies few look at the vehicle itself. Most people are aware of keeping a window open if running the engine for warmth. But you can also use up most of the oxygen even with the engine off. Conversely,take a close look at your door and window seals. If your caught in a firestorm,the quality of that seal can provide precious time if sheltering in the vehicle.<br><br>