This is copied verbatim from the Tesla Model S Owner's Manual:
Here in Toronto it gets that cold for 24 hours, but I would think that this is a regular occurrence for Montreal, Quebec City, Calgary, Edmonton, Winnipeg, etc. And I wouldn't be surprised if last winter in Toronto we had a day like this.
Doesn't that preclude most Canadians without a garage from owning a Tesla?Temperature Limits
Do not expose Model S to ambient temperatures above 140° F (60° C) or below -22° F (-30° C) for more than 24 hours at a time.
Here in Toronto it gets that cold for 24 hours, but I would think that this is a regular occurrence for Montreal, Quebec City, Calgary, Edmonton, Winnipeg, etc. And I wouldn't be surprised if last winter in Toronto we had a day like this.