energy use

This is probably answere somewhere but couldn't find. Generally, how much energy is used by the various functions in the car? - heat - radio - dash cams - seat heater - amient lights - screen - etc... I know there are many factors. But curious how to get a better idea so can make...

This winter, I tried to track my car’s energy use, to quantify just how much more energy the car uses in winter. We live in the Boston area, so it gets reasonably cold here, but not nearly as cold as in the upper Midwest or Canada. I started tracking my energy use in November. Meteorologists...