The Harmony Youth Booster Elite is part of Consumer Reports’ car seat testing program. In our lab testing, booster seat models like the Youth Booster Elite are rated on several criteria, such as those listed below.

Enhancer cut (with back):
A rating that reflects a booster seat’s ability to correctly position the lap and shoulder belts in various test vehicles using a child-sized dummy, when used as a high back booster seat. Additionally, it includes an assessment of the booster’s compatibility with the vehicle’s seats and interior components.

Booster fit (without back):
A rating that reflects a booster seat’s ability to correctly position the lap and shoulder belts in various test vehicles using a child-sized dummy, when used as a backless booster seat. Additionally, it includes an assessment of the booster’s compatibility with the vehicle’s seats and interior components.

Ease of use:
Our rating of each seat’s ease of use, including things like clarity of labels and instructions, ease of achieving a proper belt fit, and transitioning between high-back and backless modes , if applicable.