I live in central Canada, and temperatures reach as low as -30C. Just this week, it’ll be -20C overnight and I always park my car outside. From what people have told me I should idle for 10 minutes when it’s extremely cold, and then drive off. What should I really be doing?
At -30c you want to wait for the oil to start moving at least. Doesn’t mean you want to sit and idle for 20min but at -30c I’m guessing your windows aren’t even clear at that point.
I live in Quebec so I feel your pain.