The Safer Way to Keep Baby Warm in a Car Seat this Winter Mommy's Bundle How to dress baby in car seat for winter BabyCenter Keeping baby warm in the winter is essential. Use layers, instead of puffy material, to ensure your car seat harness has a snug fit. #TheRightSeat WINTER IS COMING And if you live in a cold climate, and have a child in a car seat, it is imperative that you know how to keep your child warm and Winter Car Seat Safety