no it works magically :P If you want to clear the windshield you do.
radiation
If you need to.
During summer, you should wear light coloured clothes because it just reflect heat off. While in winter, dark-coloured clothes should be wear because it absorbs heat, thus lessens the coldness.
due to static electericity
Winter Heat Series was created in 1994.
the compressor is places a drag on the engine,as a result it would generate more heat but the car should not be overheating. The fan motors should be on when the a/c is running.
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.
Thermal efficient curtains keep heat in during winter.
Yes it is recommended that you purchase Snow Tires for driving in Wisconsin. You should be fully prepared for the harsh winter weather conditions in Wisconsin. You can never be too prepared. Also search for a list of items you should keep in your car in case of a winter driving emergency.
Florida or Maine?
I Recommend getting all 4 winter tyres due to it will significantly improve the handling and braking and performance of the car.