I would assume that they'd try to get people out first. My comment is more addressed to people such as myself whose natural inclination is to regard a burning

I would assume that they'd try to get people out first. My comment is more addressed to people such as myself whose natural inclination is to regard a burning car as a bad situation that the fire department aught to be able to quickly remedy, and to suggest that most of the time putting out the fire may be a low priority. I could imagine the fire department dousing a car if it was already too hot to get people out of safely, but I'm not a fire fighter and I don't know what they'd normally do in that situation.