A car safety seat is the very first safety device youll use to protect your child. Car seats are required for children from birth to at least four years old (seven years old in many states). Its important to choose the right type of seat one that fits both your child and your car, and is easy to use properly for every ride. All of our staff at Safer Kids and Homes are Certified Child Passenger Safety Technicians, and can help you select and install your new car seat by.