Minimum up to 15 months old your child has to seat backwards and you can choose between 5 different lying positions. After that, it can drive forward until it is about 4 years old.All the while it is strapped in with the integrated 5-point harness system and the seat is connected to your car with Isofix and the stand is extended. When your child is about 4 years old, the belt system of the M.Rox is stored into the seat, the leg is folded and your child can now use the car belt system to buckle up.