(HealthDay News) -- Booster seats can help keep older children safer before they're ready for safety belts.
The National Highway Traffic Safety Administration offers this advice:
- A child should not be moved to a booster seat until he or she has outgrown a child safety seat.
- A belt-positioning booster seat helps a seat belt fit a child safely.
- Booster seats are usually suggested for children between ages 4 and 8 who weigh at least 40 pounds and are no more than 4 feet 9 inches tall.
- Booster seats are available in high back and low back forms.
- A booster seat should never be used with only a lap belt. If your car does not have a shoulder and lap belt in the back seat, ask the manufacturer if there's a way to retrofit the vehicle.