It's slowly getting colder and miles/charge is dropping. I've had my Bolt for nearly a year and have a good handle on range and charging,,, but what is the best strategy for charging when it's cold out? Background, I live in chicago and park on the street with no charging available. My...

At what outside temperature will the battery start warming up its main battery? Knowing if the trigger temp is, as an example, 3 Celsius, so instead of preconditioning the battery using its own battery power to keep warm, i would plug the car if i know temperature will drop to or below that...