8 years old
in all states a child has to be 4foot nine to be out of a booster seat. they can be in a booster sear at any age.
10 years
The Booster offers safe, comfortable rides for someones child. Moving from a car seat to a booster seat still helps the child remain safe, while riding comfortably in the booster seat.
If your talking about the booster seat without a back then NO, It is not safe for the child to ride with only a lap belt.
It's usually determined by a child's height, not age. Once they pass 4'5" (in my municipality) they no longer have to ride in a car seat.
they have to be 12 years old
Yes, but if there is a air bag it has to be turned off and the child must be in a booster seat.
Yes if the air bag has an on/off switch. But if this is a car with a back seat and not a vehicle with no back seat, place the child in the rear. This is the safest place for a child.
In the state of New Jersey:Children under 8 years of age who weigh less than 80 pounds to ride properly secured in a child safety seat or booster seat in the rear seat of the vehicle.Sources:http://nj.gov/lps/hts/childseats/childseats_newlaw.html
All children under 8 years old are required to ride in a child safety seat or booster seat unless they are taller than 4 feet 9 inches.
In Georgia, a child has to weigh at least 40 pounds to sit in the front seat. If the child is under 8 years of age, he also must be restrained in a car or booster seat in order to ride in the front seat.
Usually a child should be 13 or older to ride in the front seat. If the child is too small then the front airbags can be dangerous and they may still need a booster seat. When they outgrow booster seats then they should be large enough to ride on the seat with just seatbelts. Always make sure they are buckled up! The back seat is usually safer for all children. Safety first and make sure everyone is buckled.Added: In many states the governing factor is NOT age, but height and weight. Check your local laws.