A convertible car seat is a type of child safety seat that can be used in two different modes: rear-facing and forward-facing. This versatility allows parents to use the same seat as their child grows, starting from infancy until they are ready for a booster seat. Rear-facing is recommended for younger children, as it provides better support for their head and neck during a crash. When the child outgrows the rear-facing position, the convertible car seat can be easily adjusted to face forward. This feature makes it a cost-effective choice for families, as it eliminates the need to purchase multiple seats. Always ensure the seat is properly installed for maximum safety.