>>I'm not constantly fiddling with my home's thermostat, why would I be doing the same with my car's? I assume because at home I'm generally in constant shade

>>I'm not constantly fiddling with my home's thermostat, why would I be doing the same with my car's? I assume because at home I'm generally in constant shade and not as exposed to radiative elements. Whereas in the car, air temperature is only one factor. Outside sun, temperature of surfaces etc are additional significant factors