Installing and Using Child
Safety Seats and Booster Seats
Proper restraints for children riding in motor vehicles depend on the
child's age and size. Restraints to keep a child safe in the car include:
- infant safety seats
- child safety seats
- child boosters seats
- properly used safety belts
The key to keeping your child safe is to use an age-appropriate child
restraint that is properly installed and properly used.
Infant and child safety seats come in many shapes and sizes. Some are
not compatible with certain vehicles. The best child safety seat for a
family is the one that is easy to use for the parents or caregivers, fits
in the vehicle's seats, is compatible with the vehicle's seat belts, and
is the proper size for the child. The American Academy of Pediatrics (AAP)
has a series of specific recommendations for the use of child safety
seats:
- Children should face the rear of the vehicle until they are at least
20 pounds and 1 year of age to reduce the risk of cervical spine injury
in the event of a crash. Infants who weigh 20 pounds before 1 year of
age should ride rear-facing in a convertible seat or infant seat approved
for weights greater than 20 pounds until one year of age.
- A rear-facing car safety seat must not be placed in the front passenger
seat of any vehicle equipped with a passenger-side front air bag. This
practice prevents the risk of death or serious injury from impact of
the air bag against the safety seat.
- Premature and small infants should not be placed in car safety seats
with shields, abdominal pads, or arm rests that could directly contact
an infant's face and neck during an impact.
- In rear-facing car safety seats for infants, shoulder straps must
be in the lowest slots until the infant's shoulders are above the slots.
The harness must be snug and the car safety seat's retainer clip should
be positioned at the midpoint of the infant's chest, not on the abdomen
or in the neck area.
- The car safety seat should be reclined halfway back, at a 45-degree
tilt. A higher angle should be used when the child is over 6 months.
Until engineering modifications can be implemented to prevent this problem,
a firm roll of cloth or newspaper can be wedged under the car safety
seat below the infant's feet to achieve this angle.
- A convertible safety seat, which is positioned reclined and rear-facing
for a child until 1 year of age and 20 pounds and semi-upright and forward-facing
for a child older than 1 year of age who weighs 20 to 40 pounds, should
be used as long as the child fits well (this includes ears below the
top of the back of the seat and shoulders below the seat strap slots).
- A booster seat should be used when the child has outgrown a convertible
safety seat, but is too small to fit properly in a vehicle safety belt.
- A belt-positioning booster seat that uses a combination lap/shoulder
belt, if that type of belt is recommended. A booster seat with a small
shield, which can be used when only a lap belt is available, is not
recommended by the National Highway Traffic Safety Administration (NHTSA).
The infant safety seat:Infant safety seats are often small and portable seats used for
babies up to age 1 and 20 pounds. Infant seats are rear-facing and may
come with a three-point or a five-point harness. Some infant seats come
with detachable bases that can be left belted into the vehicle so that the
parent does not have to install the seat every time. (Some bases also are
adjustable to correctly recline the infant.)
The child safety seat:Child safety seats are either convertible seats or
forward-facing seats.
- Convertible seats can be used for infants up to age 1 in the
rear-facing position, and then turned around into the forward-facing
position for toddlers. The disadvantage of a convertible seat is that is
does not fit a newborn as well as an infant safety seat. When changing
from a rear-facing position to a forward-facing position, parents or
caregivers should check the seat's manual on how to adjust the shoulder
straps appropriately and how to route the seat belt properly.
- Forward-facing child safety seats are for children over age 1 and
over 20 pounds. Some seats may convert to booster seats for children
over 40 pounds.
The booster seat:
Booster seats help raise your child so that the vehicle's seat belts fit
properly. Booster seats are necessary when a child outgrows his/her child
safety seat, usually after 40 pounds or age 4. Children do not fit in
adult shoulder/lap belts (without a booster seat) until they are 58 inches
tall (with a sitting height of 29 inches) and weigh 80 pounds, according
to the Centers for Disease Control and Prevention (CDC).
Booster seats should always be placed in the back seat of the vehicle.
There are several types of booster seats, including:
- high back booster with five-point harness - a booster seat that
helps protect the head and neck in back seats that do not have head
restraints. The five-point harness can be used up to a weight of 40
pounds, after which the harness can be removed to convert the seat to a
belt-positioning booster.
- belt-positioning booster - a booster seat that uses the vehicle's
lap and shoulder belts to restrain the child.
- shield booster - a booster seat with a removable shield to convert
to a belt-positioning booster seat. Shield booster seats should not be
used for those children over 40 pounds.
Checking your car seat:As many as 85 percent of child safety seats are found to be
improperly installed and/or used when vehicles are stopped and checked,
according to studies from National SAFE KIDS Campaign Car Seat Check Ups.
Some of the most common mistakes in installing or using child safety seats
include the following:
- safety belt not holding the seat in tightly and/or not in locked
mode
- harness straps not snug and/or routed correctly
- harness retainer clip not at armpit level
- locking clip not used correctly
- car seat recalled and not repaired (includes booster seats)
- infants placed rear-facing in front of an active air bag
- children turned forward-facing before reaching 1 year of age and 20
pounds
Parents and caregivers should carefully read their vehicle owner's
manual and the instructions that come with the child safety seat to ensure
proper installation and use of the seat. The NHTSA recommends doing the
following quick safety seat assessment:
- Is your child riding in the back seat? (The back seat is the safest
place in a crash.)
- Is your child facing the correct way? (Infants up to age 1 and 20
pounds should face the rear.)
- Is the child safety seat held tightly in place by the seat belt?
- Does the harness buckle snugly around your child?
- If your child is between 40 and 80 pounds, is he/she in a booster
seat for better seat belt fit?
- Does your older child fit properly in the vehicle's seat belts? (The
shoulder belt should rest over the shoulder and across the chest, and
the lap belt should fit low and tight over the upper thighs. The child
should be tall enough to sit with knees bent at the edge of the seat -
at least 58 inches tall and 80 pounds.)
Replacing child safety seats and seat belts after a
crash:Once a vehicle has been in a severe crash, child safety seats
and seat belts should be replaced because they may have become stretched
or damaged. All child safety seats are replaced by insurance companies.
Always check with your child safety seat manufacturer concerning questions
about the safety of your child's seat.
When car seats are recalled:Sometimes child safety seats are recalled for safety reasons.
To check if your child safety seat has been recalled, call the seat's
manufacturer or the Auto Safety Hot Line at 1-888-DASH-2-DOT. If the seat
has been recalled, you will be instructed on how to repair it, or how to
obtain parts to repair it.
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