Final answer:
Children should be placed by a restraint system that meets local regulations, manufacturer's guidelines, and national standards to ensure their safety when riding in a vehicle.
Step-by-step explanation:
When riding in a vehicle, children should be placed by a restraint system that meets all of the following:
- Local regulations: Each state or locality may have specific laws and requirements for child passenger safety.
- Manufacturer's guidelines: The manufacturer of the car seat or restraint system provides instructions on the proper installation and usage.
- National standards: The National Highway Traffic Safety Administration (NHTSA) sets guidelines and standards for child passenger safety.
It is important to follow these guidelines and ensure that children are properly secured to reduce the risk of injuries or fatalities in traffic accidents.