no it works magically :P If you want to clear the windshield you do.
no you shouldn't because the cold air that your engine sucks up can quit your engine and stop running
heat will heat you up in the winter
this goes for most any car or truck you will loose having heat in the winter
My 2004 Toyota Prius gets around 42mpg in the Summer and 36mpg in the Winter (Hybids rely on the gas engine to generate heat in the Winter.) If you have a tendency to warm-up your car in the Winter the mpg will be lower. I am sure that this is the same with hybrids in the colder climates.
turn up the heat
If you run your car with the emergency brake on it will heat the car up.
All cars can be driven without a thermostat. The thermostat is used to heat the car in winter by forcing the water temperature up.
radiation
Car heaters need a few moments to warm up.
Polar bear fluff up their fur in winter to trap the heat from its surroundings and they do not allow heat to pass.
An electric heat pump can heat up your home during winter and cool it during summer.
it can cause to fire and