A 5-point harness has five attachment points designed to restrain your child at the shoulders and hips, which are the most rigid parts of their body. If there is a crash, the car seat harness transfers the forces of the crash to these rigid points of the body and into the seat.
Why is a 5-point harness safer?
The 5-point harness of a forward-facing car seat provides the best protection for pre-schoolers because it not only restricts movement, ensuring that toddlers are in the proper position should a crash occur, but also distributes the crash forces over a larger area of the body when compared to a safety belt and booster ...
When should I switch to a 5-point harness?
NHTSA recommends children remain in a forward-facing car seat with a 5-point harness until the child reaches the top height or weight limit allowed by the seat. At which time, the child can move into a belt positioning device.