So, I had to put my wife's car in the garage last night to thaw off some frozen crud accumulated in the wheel wells. And the Tesla spent it's first night outside in the cold with no plug-in. This morning the thermometer read -32C. And the dotted line on the power meter was at 40kW! Yikes. I decided that this was one very unhappy car and moved it into the garage to plug in and preheat for a bit before leaving.