Child restraints are incorrectly used in 15% to 80% of cases, because either the belt is not properly fastened, the child seat is incorrectly installed or the belt is placed around a child’s neck, under the arms or across the abdomen.
Download: https://www.grsproadsafety.org/wp-content/uploads/GRSP-Child-Restraints-Fact-Sheet.pdf
Source: GRSP Child Restraints Fact Sheet