> Literally no one is doing this, unless you have a diesel engine, you're parked outside, the temperatures are exceptionally cold (<= -10F?), and you weren't pl

> Literally no one is doing this, unless you have a diesel engine, you're parked outside, the temperatures are exceptionally cold (<= -10F?), and you weren't planning on driving for more than a day. Factually incorrect. Block chargers are ubiquitous in Alaska where I grew up and you should probably use one well before -10F to reduce wear on your engine.