Sleeping in your car in winter is not the cute aesthetic people make it out to be—especially when it’s –10°C and you’re trying to convince your body it’s totally fine to relax. In this video I walk you through exactly how I slept in my RAV4 without a heater, and what actually mattered: insulation, a real sleep system, and a plan that doesn’t fall apart at 2am when everything feels colder and louder. I tested the gear, the layering, the little “warmth hacks,” and I’m honest about what’s worth it and what’s just extra weight. The biggest takeaway is that winter car camping isn’t one magic product—it’s stacking small advantages. I show how I block heat loss with window covers, why your sleeping pad matters as much as your sleeping bag, and how I use hot water bottles and targeted electric heat (with a proper power setup) to take the edge off safely. I also talk safety and mindset—because cold makes you make dumb decisions fast. If you’re new to winter car camping, this is the exact system I’d want you to copy before you go learn the hard way.