See also:

Larger children
Children who are too large for child restraints should be seated and restrained by the seat belts which are provided. The seat belt may not fit properly if the child is less than 4 ft 9 in (142.5 ...

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. For ...

Adjustment
Adjust the head restraint so the center is level with the center of the seat occupant’s ears. To raise the head restraint, pull it up. To lower, push and hold the lock knob and push the he ...