100 pounds or more.
age 7 though if the child's shoulders are lower then back seat back rest,advice is to use booster seat
1. When must you use a child safety seat?
The child must be in a safety seat if they are younger than 8 or smaller than 4'9".
This is true in Florida seat belt are child's safety seat! True
Some safety concerns that have to be taken into account when buying a child seat include selecting the appropriate seat heat, ensuring that the child seat fits the vehicle, and also the type of material used to manufacturer the child seat.
simple
Black
The first child safety seat appeared in 1962 in England. The inventor was Jeans Ames. There were child seats in cars since the 1930s, but the purpose was more as a booster seat to raise the level of the child than provide for the child's safety .
depends on state
depends on state
up to age 7
all the time You must use an approved child safety seat suitable for the age and weight of the child until the child is over an age and/or weight limit specified by and varies by the individual state.