The Evenflo® Symphony65™ All-in-One Car Seat is a unique car seat that adapts to the changing needs of a growing child providing a simple and innovative way to keep them safe, secure and comfortable. This video shows some of the steps to installing your Symphony65™ as a belt-positioning booster. Always read and follow your car seat and vehicle owner's manuals. Visit www.evenflo.com for more information on car seat safety.