Crash statistics show that children who aren't belted into child seats are seven times more likely to be injured or killed in the event of an accident.That's why adults carry a special responsibility to make sure child passengers are secure. Child seats are a tricky topic. To protect infants during an accident, it's important that the seat is appropriate for the child's age and size -- and that it has been installed properly. The right temperature in the car also plays an important role in its safety and comfort.