Car seat safety: What every parent needs to know Arizona

By Lita Aeder, M.D.

• All children under 40 lbs. (up to about 4 years of age) should be strapped into car seats.
  
  
• When purchasing a car seat, make sure that it meets federal standards (it will say so on the box).
  
  
• When borrowing or buying a used car seat, make sure that it's never been involved in a car accident.
  
  
• Read the car seat's instruction booklet carefully prior to installation. Also, review your car's owner's manual to insure proper use of your car's restraints with the seat. If you are required to install a locking clip on the seat belt, the car seat manufacturer should have provided you with one.

Choosing the proper car seat:

• Infant Seat For babies up to 1 year of age or up to 20 lbs. (whichever comes first). This type must always be positioned to face the rear of the vehicle. The harness straps should be installed at a height that is at or below shoulder level.
  
  
• Convertible From birth to 40 lbs. Although this type of seat can be used longer, it is important to remember that until the child weighs at least 20 lbs., it must face the rear. Furthermore, convertible seats tend not to support the infant as well as seats designed solely for infants. You may want to roll some towels, placing them around the infant to fit the empty space between the child and the sides of the seat. After your baby reaches 20 lbs., the shoulder straps should be at or above the shoulders.
  
  
• Booster From 40 to 60 lbs. These are not required in all states. However, children of this size are not properly restrained by regular shoulder-lap belts. The lap portion may ride up over the abdomen, causing serious injury to internal organs during a crash. The shoulder portion will impinge on the neck. A booster raises the height of the child, allowing the belt to be properly positioned.

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