See also:

Precautions on booster seats
WARNING If a booster seat and seat belt are not used properly, the risk of a child being injured in a sudden stop or collision greatly increases: – Make sure the shoulder portion of the belt i ...

Temperature
High temperatures accelerate the rate of corrosion to those parts which are not well ventilated. ...

Small children
Children that are over 1 year old and weigh at least 20 lbs (9 kg) should remain in a rear-facing child restraint as long as possible up to the height or weight limit of the child restraint. Forwar ...