The article indicates the poor woman died of Carbon Monoxide poisoning and nothing related to the actual cold. I am assuming she had plenty of gas, and we don't know what other items she had in her vehicle.

Simply, the woman did not know of the risk associated with snow drift and keeping her engine running while stuck. Had she been aware of that and had some means of clearing the snow, (in this case even a bit of cardboard would have sufficed.) she would not have died.

It highlights the import of situational awareness, of knowing what to do when stuck in snow, and of carrying at least some rudimentary tools in your vehicle.

The coming snowstorm was broadcast by most news media, so she would have had ample time to put some tools, blankets, food and water in her car.

The fact that she sent videos would seem to indicate that she did have a viable means of communications, and was totally unaware that the danger she immedianly faced was from Carbon Monoxide, and not the cold.